OCR Text |
Show 6o4 Tlie Hi.ftory of P L A N T S. The other fpecies are, I. The great, crooked-fpined, American Xanthium. 2. The prickly, jagged .. leaved Xanthiumj AMBROSlA. I N the male flower, the common calyx is forme~ of a :lingle leaf: . t~e co:ollre are each formed of a fingle petal, of an infundibuliform lbape, and d~vtded mto five fegments: the receptacle is naked. In the fem~le coro~la, the calyx IS formed of a fingle leaf, and has five indentings on the belly; 1~ contams only a fingle flo~e~: there is no corolla: the fruit is a nut, formed of the mdurated calyx, and contammg only one feed. A~n6rojia foliis trilo6is ferratis • The trilobate, Jerrated-leaved Ambrojia. ~lant:::tttt·~ Ieabell ~ntb~ofia.' The root is oblong, white, and fib rated: the fialk is robufi, hairy, and firm.: the lant grows to five feet high: the leaves are' large and palmated, or . deeply_ divi~e~ fnto three long, lanceolated fegments ; thefe a~e ferrated, an~. th~ whole leaf IS hatry: the flowers ~re green_ilh, a.nd fmall; the~ fl:at~d I~ Ion~, flender f~.nes. . • . lt is a nattve of V1rgmta. Ray calls It, Ambrofia modora folus afpens tnfid1s. The other fpecies are, I. The common Ambrofia. 2. The tall, tbugwort-le'av'ed,' fcentlefs Ambrofia. P A R T H E N I U M. I N the male flower, the common calyx confifl:s of five leaves, and the corollulre of the difk. are formed each of a fingle petal. In the female flower, th~ corollulre of ther radius are five, two· on each fide, and a female one in the middle, fituated on a £ngle,naked feed. This genus comprehends the Partheniaftrum of Niffole, the Hyfterophorus of Vail~ lant, and the Tarchonanthus of the fame and fome other authors. P arthenium foliis compojito-multifidis. The compojito-multijid-leaved P artheniunt. ~nttrican jftberftlb .. The root is fibrous a.nd white: the plant grows to two feet high: the fialk is erect,. robufl:, and ramofe: the leaves are large, finely divided, and fomewhat refemble thofe ~f the common wormwood: the flowers are fmall and white. 1t is a native of Jamaica. Vaillant caiis it, H yfl:erophorus ambro.G~ folio. · The other fpecies are, I. The bmad ... leaved Parthenium; and, 2. The larger-flowered Parthenium. r v A. 1 N the mafe flower, the common calyx is formed of three leaves: the ce>rollulce of the difk. are formed each of a fingle petal, divided into five fegments: the receptacle is hairy. In the female flower, the flofcules of the radius are five: there is no corolla: the fiyles are two, and long: the feed is naked and obtufe. Iva foliis lanceolato-ovatis ferratis caule annuo. The annual-jlalked Iva, with lanceolato-ovate, Jerrated leaves. The root is oblong, annual, and white: the plant rifes to five feet high: the flalk is erect, robufl:, firiated,, and hairy : the leaves ftand on long pedicles;. they are placed oppofite, toward the bottom, and alternately toward the top of the fl:alk, and are ferrated, and of a deep green colour : the top of the plant is terminated by a clufier of flowers, which fl:and alternate, with floral leaves under them. . It is a native of America. Juffieu makes it a Tarchonanthus; and Van Royen calls lt, Tarchonanthus foliis cordatis ferratis trinerviis; B. J uffieu. The other fpecies are, I. The perennial, large-flowered Iva. 2. The dividedleaved Iva. AMARANTHUS? AMARANfHUS. I N the male flower, the calyx is fbrmed of three, or of five, leaves : there is no co.: rolla : the ftamina are equal in number to the leaves of the cup ; they are three or .five. In the female flower, the calyx.is compofed of three, or of five, leaves: there is no corolla: the fiyles, are three: the fruit is a capfule, ~ontaining only one_ cell, and opening horizontally. Amaranthus racemis Gjlindraceis pendulis longij}fmis. t/tl~tat The Amafanthus, with very long, pendulous; cylindric ~matantf); · clujlers~ . · The root is white artd fibrated: the plant grows to five feet high: the fralk is thick;' furrowed ramofe, and ufually reddi{h: the leaves are very large, oblong, fcabrous, pointed ;t the extremity, arld ufually var}egated with .gr~en and red : .the flowers fiand in long clufters, five or fix inc~es, fometl~es a foot, m length, growmg from the alre of the leaves; they are purplilh, and the fl:amina.yellow; . • . " . It is a native of Perfia and of South Arrfenca. C. Bauh1ne calls 1t, Amaranthus maximus. It varies extremely by culture, and has lienee been divided by authors into a number of imaginary fpecies. . The more certainly difl:intl: are, 1. The green-fpiked, North Ame:tcan Amaranth_us; ~. The narrow~r-leaved, ihorter-cluftered Amaranthus~ 3· The prtckly, Eafi-Ind1an Arrtaranthus. 4• The broad-leaved Amaranthus; f ••t C!a/s the ·Twenty Firjl. Order the Fifth. I ' I .. M 0 N 1E C I A H E X A N D R I A. Plants with male and female .flowers on the /ame plani, and wit!J }XI . . jlamina in the male flower. I Z I Z A N I A. I N the ·male flower, there is no calyx: the ~oro1ia is a glume, formed of two vaives ;· thefe have no arifire, or awns, and are mixed among the female flowers. In the female flower, there is no calyx: the corolla is a glume, formed o~ a ~~gle ~alve, of a cucullated form, and terminated by an arifl:a, or awn : the fiyle IS d_1v1ded mto tw.o parts: the feed is fingle, and is placed in the bottom of the corolla; whtch opens hon-zontaily to let it out. . , . . . , • 1 It is a native of Virginia, Thefe charatt.ers fuffictently dtftmgmili It, w thout a farther defcription. Clafs the. Twenty Firji. · Order the Sixth. MONJECIA POLYANDRIA. P /ants with ~al~ a~d female .flowers on Jeparat~ parts of the fame plant,· and with numerous ftamzna. : s.o " I .. p 0 T E R I tJ M~ ,._ :N 1 the mate flower~ tbe cdlyx is compofed of four leave·s: the co~o~Ia is form~d Qf .l fi gle petal divided into four fegmertts: the ftamina are froJ11 thnty to forty: the cat ax 1~f the fe~ale flower is compofed of four leaves: the cotolla is for?led of a fingl~ e!al, and divided into four fegments: the piO:ils are t\~o .= the frmt lS a berry, the ~uter cruft of which is formed of the indurated tube of the corolla. . . This genus comprehends the Pimpinella of Tournefort and otherst Poterlum |