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Show • • The Hijlory of P L A N T S. Clafs the Nineteenth. Order the ':third. S y N GENE S I A P 0 L Y G A MIA F R U 8 T R AN E A. Syngenejia, which have the flowers of the difk hermaphrodite, J tt r7tijhed with a jligma, and producing feeds ; and the flowers compoJ!ng the radius without jligmata, and confequent!J incapable of productng feeds. H E L I A N T H U S. T HE receptacle is paleaceous and plane: the pappus of the feeds is compofed of two leaves: the calyx is imbricated. This genus comprehends the Corona folis of Tournefort. Helianthus radice annua. Tbe annual-rooted Helianthus. 11:1)e great ~un:: ftolbet. The root is oblong, white, tender, and fibrated : the plant ~ifes to fix feet, or more, in height: the fialk is round, robufi, thic~, gre~n, an~ hauy : the leaves are very large, broad at the bafe, ferrated, and termmate m a pomt: the flowers are yellow, and often more than a foot in diameter. . . It is a native of Mexico, but is common in our gardens. C. ~auhme calls It, Ilde-nium Jndicum maximum; others, Corona folis, and Herba max1ma. .• . The other fpecies are, 1. The fmaller-flowered, r~mofe, perennial Hd1anthus. 2 , The tuberous-rooted Helianthus, called Jerufalem Art1choak. 3· ~he great, flowered, perennial Helianthus. 4· The long-rooted, fmall-flowere.d H ehanthus. 5· The broad-leaved, tall Helianthus. 6. The tall, alated-fialked H~hanthus. ?· The tall, ftrumous-rooted Helianthus. 8. The great-leaved, fmall-flowered Heh~nthus. 9· The trachelium-leaved, creeping-rooted Helianthus. 10. ~he tall, Vtrga. aurealeaved Helianthus. I I. The pale, yellow-flowered, creepmg-rooted Hel!anth ~s. I 2. The willow-leaved Helianthus, with alated fi alks. I 3· The ilirubby, lycl~ msleaved Helianthus. 14. The \aureola-leaved, ilirubby Helianthus. 15. The tricufpidated- leaved Helianthus. 16. The Helianthus, with d~eply divided l~aves. I 7. T he narrow, laciniated-leaved Helianthus. 18. The great, tnfid-leaved H ehanthus. R U DB E C KIA. T H E receptacle is pa1eaceous and conic : the pappus is divided by four indentings : the calyx has two feries of fquammc-e. This genus comprehends the Obelifcotheca of Dillenius and Vaillant. Rud6eckia Joliis inferiori6us trilobis Juperioribus indivi.fis. The Rudbeckia, wztb the lower leaves trilo6ous, the upper undivided. The root is biennial; the plant grows to two feet high: the fialk is round, rig.id, hairy, and very full of branches : the leaves are fcabrous, and ferrated : the lower ones are divided into three fegments each; the others are fimple, of a lanccola ted figure, and have no pedicles : the flowers fiand at the extremities of the branches ; they are large and yellow, the difk. fomewhat brownilh. It is a native of Virginia. Vaillant calls it, Obelifcotheca trifido folio. The other fpecies are, I. The compofi te, laciniated-leaved Rudbeckia. 2. The ob-. ~, hairy-leaved Rudbeckia. 3· The great, fcabrous Rudbeckia. 4· .The broadleaved, many-flowered Rudbeckia. 5· The tall, red-fialked Rudbeckta. 6. T he fmall, lhort-leaved Rudbeckia. 7· The great-flowered, hairy Rudbeckia. COREOPSI S T!Je HijJory of P t A N T S. C 0 R E 0 PSIS . . • 0 T H ~ recepta2e is paleaceous and conic ; the pappus is bicornate : the cal ~ i bafe. ereCt, ahd ormed of feveral leaves, and furrounded with patent radii al th! Coreopjis joiis ternatis. Tbe ternate-leaved Coreopfis• fi J~e r~o~dis ~b1ong, fibrated, and pere~n~al : the plant grqws to. five feet high 2 the a IS 1 1g1 , rm, round, fmooth, and JOmted : the leaves ftand three on a edicle . they are moderately large, fmooth, of a deep green and of a firm texture. tB fl. , ers ar.e large. and yell?w., .and ftand at the extremiti;s of the branches. • e ow- ~hs a n~tJve fiof yugima. Van Royen calls it, Rudbeckia foliis compofitis integris . h . e ot er peCies are, 1. The ferrated-leaved Coreopfis. 2 • The broad-leaved · airy Coreopfis. 3· The fmooth, dwarf Coreopfis. ' CENTAUR EA. T H E receptacle 1s fetofe: the corollu]c-e of the radius are infundibul-iform· 1 and irregular. , ong; This genus comprehends the Ceritauredrn maius Jacea and c· f T .fc d h C 1 · c 1 · . 'J ' ' yanus o ourne ort . a_n t e a CJtrapa, . .a cJtrapotd~s, Rhaponticum, Rhaponticoides Jacea Amberb ·' Cyanus, and Crocod!lmm of Vaillant. ' ' 01 ' . Vaillant's dill:inctions o~ thef~ feve ral genera, as he calls them, are thefe : The CaiCitrapa .has. the cafyx armed with fingle fpines, which are large and ereCt:; and the feeds at.e either naked or coro?ated. In the Calcitrapoides, the calyx has fmall cluf.:.. tered fpmes. I_n t.he Rl~aponucum, the calyx is formed oflax, undivided membranes. In the R~apontJcotdes, It .is formed of lanceolated and acuminated fquammre. In the Amber bot, the fquammc-e of .t?e calyx are obtufe and fimple. In the Jacea, the fquammre of the ~alyx are ctlt~t~d. In the Cyanus alfo, the fquatnmc-e are ciliated" but ihort.er; and, m the Crocodtlmm, the fquammre of the calyx are aculeat€d and .the feed IS downy and plumofe. ' Centaurea ca!ycl6tts ci!iatfs, ciliis Jetacefs rej/exis. Tbe Centaurea, with ciliated calyces ; the cilice fitaceous and riflex. . The root is E~rous; the plant rifes to two feet and a half high : the ftalks are ftri ... ·nte~, angular, hatry, and ramofe : ~he leaves are large, oblong, broad, and whitilh, an mch and a halflong, and half an mcb broad : the flowers are large and purple : the heads ufually fiand three together, and are furrounded with a beautiful reticulatiorr form:d of t~e cilic-e, or hairs of the fquammc-e of the cup. ' It IS a nattve o~ Germany. C. Bauhi~e calls it, Jacea latifolia capite hirfuto. . The other fpec1es are: Of the Jacea ktnd, r~ The common, black Jacea. 2 . The Jagged-leaved Jacea. 3· The narrow-leaved Jacea. 4· The dwarf, undividedle~ ved Jacea. 5· The great, fquammofe-headed Jacea. 6. The narrow-leaved ha1r~-headed Ja~ea. 7· The larger, fcabious-like, laciniated-leaved Jacea. 8 . . Th~ Creuc, fquammated Jacea. 9· The hoary, hifpid-headed Jacea. I o. The white, ftcebe-leaved Jacea. II: The tall, fuccory-Ieaved Jacea. I'21 The hairy, rocket• l~aved Jacea. 13. The Jagged-leaved, filvery-cupped Jacea. 14. The great, undivtded- 1eaved, lilvery-cupped Jacea, or Stcebe. 1 j. The fmaller Stcebe. I 6. The purple, ferrated-~eaved }acta. . 17. The blue, calcitrapa-leaved Jacea. I 8. The ever ·g:een, Portuga~ Jacea: 19. 'the ·Cerinthe-leave? Jacea. 2o. The broad-leaved, Spamlh Jacea, wnh hairy fibres. 2 I. The white, woolly Jacea. 22. The .fiyrax.:. leaved, tree Jacea. 23. Th~ pr~ckly, hoary, Cretic Jacea. 24. The undulated-le-aved, woolly Jacea. 25. The !mana-leaved Jacea. 26. The rofemary-leaved Jacea. 27. The long, narrow, and hoary-leaved, Cretic Jacea. Of thofe called Cyani are, L The common, great Cyanus._ 2 . The 1ong·leaved Cyanus. 3· The pinnated-headed Cyanus. 4· The great; fweer, oriental Cyanus. 7 K 5· The |