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Show The Hijlory of P L A N T S. fbews, however, that thefe are only varieties of the fame fpeciesJ isJ that the leaves alter their form, even in our own ftoves. 3· Convolvulus Joliis lanceolato-ovatis nudis, carde reE!o, Jloribus folitariis. The Convolvulus, witb oval-lanceolated, naked leaves, an ereEI .flalh, and Jingle flowers. The root is oblong, £lender, and of a browniih. colour.: th~ ftalks are numerous, round, and firm ; they grow to a foot, or eighteen mches, m height, and ftand ereCt ; they are hairY, and divided into many branches. The leaves ftand fingly, but very dofe to one another ; they are oblong, and moderately broad : the lower ones are often four inches long, and an inch and a half broad ; they grow fmaller as they come nearer the top of the ftalk, and are a little hairy. From the alre of alma~ every leaf there rifes a pedicle 'very £lender, and near an inch l?ng; on. the top of which ftands a fingle, large, and very beautiful blue flower, but vanegated 111 a very elegant manner : about the edges the blue is very deep; within it is fo.mewhat paler,. fart~er toward the center of the flower it becomes yellow, and the very central fp?t IS white. . It is a native of Spain and Portugal ; but .we hav~ It frequent m ou~ gardens. C. Bauhine calls it, Convolvulus creruleus peregnnus foho oblongo. Monfon, Convolvulus flare triplici colore infignito. The other fpecies of the Convolvulus are very numerous: ~he m?re fi ngular are; 1. The auriculate-leaved, , purple Convolvulus. 2. The whtte Iodian Colvolvulus. 3· The violet-leaved Convolvulus. 4· The yellow, many-flowered Convolvulus, S· The round-leaved, white Convolvulus. 6. The great purple, heart-leaved, American Convolvulus. 7· The thick-leaved, Ceylon Convolvulus. 8. The little, field Convolvulus. 9· ~he little, branched Convolvulus. 10. The little African Convolvulus. 'n. The Syrian Convolvulus. I 2. The linear-leaved, erect Convolvulus, 13. The creeping, filvery, acaulous Convolvulus. 14. The umbellated, ereCt:, filvery Convolvulus. 1 5· The pilofella-leaved Convolvulus. I 6. The nummularia¥leaved C6nvolvulus. 17. The great, alated, Indian Convolvulus. 18. The laciniated-leaved Convolvulus. 1 9· The cinque-foil Convolvulus. 20. The tripartite-leaved Convolvulus. 21. The betony-leaved Convolvulus. 2 2. The laciniated, filvery-leaved Con· volvulus. 23. The fagittated, Grrecian Convolvulus. 24. The broad-leaved, ereCt, hairy Convolvulus. 24. The oblong1 ha~ry-leaved Convolvulus, with bright red flowers. IPOMOEA. 'd T HE calyx is a very.fmall, oblong perianthiHm, divided into five fegmen ts1 and permanent: the corolla confifts of a fingle petal, of an infundibuliform a1ape; the tube is nearly cylindric, and v.ery long; the limb is patent, and is divided into five femi-lanceolate, plane fegments: the ,fiamina are five fubula.ted filaments, nearly of the length of the corolla : the antherre are roundiih : · the germen is roundi(h ; the fiyle is filiform, and of the length of the corolla,; the ftigma is capitate and trifid : the fruit is a roundiili capfule, containing three cells : the feeds are oval, and are feveral in each cell. 1. Ipomoea foliis pinnatijidis linearibus, jloribus folitariis. The linear, pinnatijid-leaved Ipomoea, with Jingle flowers. ~ntetiUI.n ::Jafnttnt. The root is oblong, creeping, and woody: the fialks are woody, and grow to a great length; they are weak, however; and muft be fupported . The leaves iland fmgly on long pedicles, of a deep red colour; they are very beautifully divided into a number of oblong, and very narrow, fegments, down almoil: to the middle rib, fo as to.appear. pinnated. · The number of fe.gments is often very great, and the who!e leaf ~~ termmated by a fingle fegment or point: th~ flowers are large, and of a beautl• ful bnght red colour. It The Hiflory of P L A N T S. 273 It is a native both of the Eaft and Weft Indies. J. Bauhine and others call it fimply, Q!!_~mocl~~ ; ~alumna, Convolvulus pennatus exoticus rarior ; C. Bauhine, Jafminum mdlcfoln foho. 2. Ipomoea foliis palmatis, !obis feptenis lanceolatis integerrimis. ~panitlJ (l1ttooll;; The palmated-leaved Ipomoea, with feven whole !an- bin e. ceolated lobes. The root is tuberous, roundi£h, and of the bignefs of a man's head : the ftalk is angular, firm, and tortuous ; it winds itfelf about tre~s, and grows thus to twenty feet high : it is very . much branched, and of a br.ownt~ colour. ~he leaves ftand fingly at four inches difiance from one another : their ped1cles are two mches, or more, in length; the leaf is di.vided into feven oblong feg~ents; they .are narrow~ft at the bafe, broader in the middle, and thence fmaller agam to the pomt : the middle fegment is four inches long, and an inch broad ; the others are gradually fmaller, as they recede from it: the flowers are large, of a bright yellow colour, very beautiful, and fweet-fcented : they fiand fingly on pedicles of three or four inches long, arifing from the alre of the leaves. It is a native of Jamaica, but we have it in fame of our fioves. Sir Hans Sloane calls it, Convolvulus major heptaphyllus flare fulphureo odorato. The other fpecies of Ipomoea are, I. The cordated-leaved, many-flower~d. Ipomoea. 2. The hairy-ftalked, digitated-leaved Ipomoea. 3· The fcarlet, digitated, narrow-leaved Ipomoea. 4· The great cordated-leaved Ipomoea. 5· The umbellated, fcarlet Ipomoea. 6. The angulated-leaved, fmall, fcarlet-flowered Ipomoea. 7· The folanum-leaved Ipomoea, with fcarlet flowers. POLEMONIUM. T HE calyx is a cyathiform perianthium, compofed of a fingle leaf, divided into five fegments, acute and permanent : the corolla confifts of a fingle petal ; the tube is {barter than the cup, and is fhut up by five valves placed at it's top; the limb is large and plane,. divided into five roundifh, obtufe fe.gments .= t~e ftamina are five filaments, inferted m the valves of the tube; they are fihform, mclmated, and fhorter than the corolla. The antherre are roundiih and incumbent ; the germen is of an oval figure, and acute ; the ilyle is filiform, and of the length of the corolla ; the ftigma is bifid and revolnte : the fruit is a trigonal, covered capfule, approaching toward an oval form, compofed of three valves, and containing three cells : the feeds are numerous, irregular, and acute. Of this genus there are only two known fpecies. r. Polemonium calycibus glabris. The finooth-cupped Polemoniztm. The root is oblong, flender, whitilh, pyxidated, and creeping: the radical leaves are very beautifully pinnated ; they are four or five inches long, and are compofed of twelve, or more, pairs of pinnce, placed very clofe to one another, and terminated by an odd one : the pinnce are half an inch long, and moderately broad, pointed at the end, and of a deep green colour ; thefe leaves remain green the whole winter. The ftalk is moderately thick, of a pale green colour, ftriated and hollow; it ufually runs up fingly to two feet high, and near the top fends out iome lateral branches : the leaves ftand alternately, and are three inches long, and an inch and a quarter broad in the whole. They are beautifully pinnated like the radical leaves ; the pinna! very thickfet, broadefi at the bafe, and narrower to the point. At the top of the fialk and branches fiand clufl:ers of very beautiful flowers, large, of a deep blue, and fometimes a white, colour. It is a native of Denmark, Sweden, and other northern countries; I have met with it wild in Lancafhire, but would not be too confident that it was native there, as we have it frequently in our ganiens, and it might be thrown out of fame of them. Tour- 4 A nefort |