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[15 ] 



109. Peiwnihts hh-ttts. Bi-islly ; stem angular, flexuose and nearly dichotomc 

 leaves semi-amplexicaule, lanceolate, acuminate, senate in the mi 1 II.-. the lowe, 

 ones ovate-lanceolate ; flowers somewhat corymbose, nearly sessile > folioles of 

 the pemnthe linear, lanceolate, hardly acute ; chads ovate-lanceolate, aciuni- 

 naie, purplish, as long as the florets ; rays elliptical, notched, hardly longer 

 tin n the perianthc --It grows Ot| the hills near licking river in Kentucky Stem 

 two or three feet high, covered with stiff white hairs' as well as the leaves: it 

 blossoms in August. I called it once Coreopua hirta ; rays yellow. Perennial. 



11J. GijTiema vUoidii. Partly pubescent and clammy ; leaves petiolate, cllip- 

 tical, lanceolate, acuminate at both ends, mucronate, serrate, base entire; ftVv- 

 ers corymbose, terminal and axillary, glomerulated ; folioles of the perianthc o- 

 yate.lanccolate, acute, rufous, ciliolate —A line plant not uncommon in Kentucky 

 in fields and woods, ft belongs to the genus Gynema of my flora ludoviciana. 

 Su-m two to thn ■ feet nigh. The whole plant has a very strong balsamic smell. 

 It blossoms in Vugust and September j (lowers pale red. I had formerly called it 

 G. dentata. Biennial. 



*.„ .. 



IV CLASS. BYMPHOGYN1A.—THE 3YMPBOGYNES. 



Ill Lobelia ttivea. Stem simpre, smoo»h. striated above; leaves adpressed, 

 cuneate, obtuse, cmargmate, ciliolate, slightly rough, glaucous beneath, laterally 

 notch'- I, noli hes glandular : spi!;e racemose, elongate, slender ; bracteolessohu- 

 I*le ; flowers nodding ; peduncles shortcrthan the calix ; sepa's subulate. — A 

 pretty species, with a very long-spike of small snow white flowers. I found it alj 

 the Blue licks in Kentucky, blossoming ii July. Perennial Stem one ortwofeet 

 high. 



112. ^ifelnthrta nigra. Stem filiform, angular trailing ; leaves rnughisli, sub- 

 rcniform, five lobed, remote, denticulated, middle lobe longer, cirrhes and pe- 



luncles fasciculated with the leaves; flowers polygamous, monoical, male, pe- 

 duncles uniflore, the males multifl ire, berrie9 globular ovate, black, shining. — It 

 grows in the valley of the Kentucky river near Estill ; Stem trailing on t!i£ 

 ind from three to ten feet ; leaves and fl>wers sin ill, these vellow, blossom- 

 ing in August It offers many varieties, all distinct from M pendula. An- 

 nual. 



113. Lwlwigia ttil ■■■>■■ sa. Roots tuberose, geminate, fusiform ; stem simple, 

 flexuose, angular ; leaves alternate sessile, smooth, entire, ovate-oblong, acute 

 at both ends j (lowers terminal, one tn hree pedunculated; eap-u!s4gone nb. 

 pileate, short, truncate.— It grows on the banks of the Ohio in Virginia ; stem on- 

 ly six inches high, it blossoms in September Perennial. 



114. Oenothera pilaaetta. Pilose; stem simple, flexuose, pauciflore, ; radical 

 leaves petiolate ovate, obtuse, toothed, caulinar, sessile, ovate-oblong, acme, 

 entire; flowers terminal, sessile ; tubeof the calix shorter than the limb winch 

 is four toothed, split laterally ; petals obc irdite, r.s long as the calix ; capsul o». 

 long, 4 gone, venose— Discovered in Indiana near Evansville. Biennial. Six 

 inches high Flowers yellow, bloss iming in Vugusf. 



115. Cactm humifiwtu. Articulated ; articles diffuse, procumbent, obovate, 

 flat; spinules very minute, rufescent ; fruits lateral, scattered, inerme, smooth, 

 ovate, scarlet.— This is the common Cactm of the United States, which has been 

 mistaken for .he C.Opuntia by all our botanists. It grows from Xcw York to 

 Kentucky and Missouri, trailing on the ground from one to fifteen teet ; articles 

 two to five inch, s long; flowers vellow, an inch in diameter; fruit size of a 

 plumb, good to eat ; skin \cry thin and quite smooth ; while in C opuntia it is 

 thick and spinescent. 



V CLASS. ANGIOGYNIA— THE ANGIOGYXES. 



116. riabenavia racemosa. Stem flexuose, angular ; lower leaves elliptical, ob- 

 tuse, upper ones lanceolate and small ; flowers racemose, pedunculate ; bracteas 

 oblong, lanceolate, longer than the ovary, which is fnsifrm; sepals elliptical, 

 oblong, concave, sub equal j labellum tripartite : divisions cuneate, flabellaus, 

 5 fid, lacerated ; spur shorter than the ovary.— Disc vered by Mi- Knevcls. 

 near Fishkill. Stem two feet high ; flowers purple, blossoming "in August, in an 

 oblong and thick raceme, pretty large The genus Ifabenaria of Browii contains 

 all the species of Orchis with two anther?. 



