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Show '!be Hiftory of P L A N T S. STlEHELINA. T H E r~teptatle fs paleaceotls; the doWh is plumofe : the caly~ is oblong and imbricated; the fquammre are methbt~naceotis ahd reflex at thetr extremities. Thefe charatlers fufficiently difiingui01 the Strehelina, without a farther defcription. B i D E N S. t HE receptacle i's paleaceous ; and the feeds ate armed with erect, fcabrous, or prickly arifire. . . . . . is genus com prebends the Btdens of Tournefort, and the Ceratocephalus of Vatllant. Bidens corona fiminum fetroifzan aculeata, foliis trijidis. The trifid-leaved Bidens, with the corona if the fleds pr~ckly do.wnwards. · tmtater llittnp ~grtntonp. The root is compofed of a multitude of large fibres : the plant rifes to th ree feet high : the fialk is round, ramofe,. and ufually reddilh; t.hc le~ves are three or fou: inches long, and are ufually divided Into three parts, fometlmes mto five, and fomettmes not divided at all; they are fmooth, 'deep!y ferrated at the edges, and have broad pedicles with which they embrace the fialk: the flowers are numerous and yellow ; their ~ups purpliD1 : the feed is oblong and broad, and has three prickles at it's top, which are bearded with leffer prickles pointed downwards. It is common in wet place~. C. Bauhine _calls it, Canhabina ,aqbatica folio tripartite divifo. The feeds of this fJ~ecies are figured and defcribed in the Philofophical Tranfatlions, under the hahn~ ·8f .ftran'ge Aq'uat:ic Animals. The other fpecies are, I. The undivided-leaved Bid~hs. 2. The broad-leaved, yellow, American Bidens. 3· The fmallage-Ieaved, American Bidens. 4· The alatedfialked Bidens. 5· The daify-flowered · Bidens. 6. The Ame·rican Bidens, with reuM·; ~bullated leaves. 7· The fhrubby, ilex-leaved l;Jide~s. 8. The fj)hondylium-leaved Bidens. 9· 'The trifoliate, radia~ed, flowered Bidens. ~o. The [mallet-flowered Bidens. 1 ,. SAN T 0 LIN A. •• • c T HE ·receptacie is ·paleaceous-; the down is very fhort : the calyx is of a hemifpheric figure, and i'mbricated. ~a;tolina Jolfls qu.tfdrifa;iam ·dentatis, pedunculis unifloris. 7be quad~ifttrioujly dentated-leaved Santo/ina, with 1La btttbtr Jingle flowers on the peduncles. i!..OttDtt. The root is long, large, and brachiated-, woody and brown : the plan t grows to two feet high; the il:em and branches are .. tough and woody: the leaves are an inch long, flender, and dentated fo1:1r ways at once ; they are of a whitifh colour, as are a1fo the young fhoots, and of a firong fmel1 : the flowers are fmall and yellow, and ~ ftand fingly on the ped-icles. lt is a natiVe of France and Spain; it is common in our gardens. C. Bauhine calls it, Abrotanum fremina foliis teretibus. The other fpecies are, I. The tri~d-leaved, African Santolina, called fhrubby Coma au rea. 2. The hairy Santolina, wit-h larger flowers. 3. The fiwin -leaved Santolina. 4· The cyprefs-Ieaved Santolina. 5· The hoary, creeping Santolina. 6. T he greenldived, pale, yellow Santolina. 7· The great, rofemary-leaved Santolina. 8. T he large, coronQpus-1ea\•ed ·santolma. 9· The chamomile-leaved, S.panilh Santolina. • TARCHO· 'lbe Hi}Jory if P L A N T s. 57t T A R c IH 0 N A N T H u s. T H E receptacle is hairy; the down is plumofe : the calyx is formed of a fingle leaf, lightly divided into feven fegments at the extremity. Thefe charatlers fufficiently difiinguifh the Tarchonanthus, without a farther de .. fcription . TAN ACETUM. T H E receptllcle. is naked; there is no down to the feeds : the calyx is imbricated and hemtfphenc. · This genus comprehends the Tanacetum and the Balfamita of authors. Tanacetum foliis ovatis integris Jerratis. 7he Tan acetum, with oval, undivided, fer rated leaves. Qtofhnatp • The root is oblique and creeping : the plant rifes to two or three feet high, the :fialks are round, firiated, and of a greyifh-green : the leaves are two inches long, an inch and a half broad, of a greyiil1-green, and ferrated about the edges ; the flowers ftand in a kind of umbe1s at the extremities of the branches; they are fmall and yellow. It is a native of Tufcany. C. Bauhine calls it, Mentha hortenfis corymbifera ; others, Balfamita mas. The other fpecies are, I. The common Tanzy. 2, The finer-leaved Tanacetum. AGERATUM. T HE receptacle is naked; the down has :five ariftre : the calyx is oblong and fub-equd. . . Of this genus there is but one known fpec1es, The Agerata of authors are Achdlere. AGERATuM. The mot is fibrous : the plant grows to a foot high ; the fialks are round and firm; the leaves are two inches lot1g, broadeft at the bafe, and ferr~ted round the edges : the flowers fiand on the extremities of the branches, and are whlte . It is a native of America. Tournefort calls it, Conyza lamii folio, flore albo. CHRYSOCOMA. T H E receptacle. is naked ; the down is fimple ; the calyx is hemifpheric and imbricated. This genus comprehends the Coma crurea of Boerhaave. Chryficoma foliis o!Jlongis angujlis,Jiori!Jus . congej}is. The clufler-jlowered Chryfocoma, with o!Jiong, narrow leaves. The root is .fibrous; the plant rifes to two or three feet high : the fralk is round, firm, and ereCt; the leaves are numerous, oblong, narrow, a?d of a pale green : the flowers fiand on the fummits of the main fialk and branches, m form of large umbels; they are frnall, and of a fine bright yellow. . . . . . . . It is a native of Germany. J. Bauhine calls It, Lmana aurea Trogt, iive Lmana tertia · others Coma aurea Germanica. The otl~er fpecies are, I. The fhrubby, African, narrow-leaved C?ryfoc II]a. 2. The famphire-leaved Chryfocoma. ,3· The tnfid-leaved~ fhrubby, Afi·t~an Chryfocoma. 4• The multifid-leaved, Afncan Chryfocoma. 5· The very. 1~anow, long, and trifid-leaved, Guubby, A£·ican Chryfocoma. 6. The fuccul~nt, d1gttated-leaved, lhrubby Chryfocoma. 7. The larger-leaved, fweet-fcented, Afncan Chryfocoma. KLEIN IA. |