PENTANDR I A.— MONOGYNIA. 1 1 1 



.P. lanceolate : leaves geminate, oval-lanceolate- 

 entire, narrowed at the base into a petiole ; stem 

 herbaceous, dichotomous ; calyx villous. 

 HAB. Pennsylvania. V-. Stem 1—2 ft. high, 

 densely pubes. ; Jl. pale yell., spotted. 



165. SOLANUM. Nightshade. Solanece. 



i. S. Dulcamara: stem fruticose, flexuous, withoui 

 thorns ; leaves ovate-cordate ; superior ones has- 

 tate ; corymbs opposite the leaves. 

 HAB. Low grounds. July — Aug. T?. Climbing: 

 Jl. in lateral clusters, violet; berries red. 



2. S. nigrum }. virginianum : stem herbaceous, with- 



out thorns, angular, toothed ; leaves ovate, ob- 

 tusely toothed and waved ; flowers subumbelled. 

 HAB. Old fields, &c. July— Aug. © . Stem dif- 

 fuse, slightly winged ; Jl. white ; berries black. 



3. S. carolinense : stem annual, aculeate ; leaves ovate- 



oblong, tomentose, hastate and sinuate-angular, 

 acuminate ; racemes simple, lax. 

 HAB. Fields. June. V- . Erect, branched, 1 ft. 

 high, armed with yell, prickles ; Jl. xvhite or pale 

 Hue ; berries yell. 



166. CAMPANULA. Bell-flower. Campanula. 



i. C. rotundifolia : glabrous; radical leaves reniform- 

 cordate, crenate ; cauline ones linear, entire ; pa* 

 nicle lax, few-flowered. 



HAB. Rocky river banks. June. If.. Root creep- 

 ing ; stem erect; fl. few, drooping^ blue. 

 2. C. amplexicaulis : stem simple, erect; leaves cor- 

 date, crenate, amplexicaul ; flowers axillary, sessile., 

 glomerate. 



HAB. Fields and dry hills. May— July, © . Stem 

 8 — 12 in. high, hispid ; leav. veined ; Jl. purp. 

 . americana : leaves ovate lanceolate, much acumi- 

 nate, membranaceous, uncinately serrate ; lower 

 ones subcordate, with the petioles ciliate ; flowers 

 subsolitary, nearly sessile, in a terminal leafy ra- 

 ceme ; corolla subrotate ; style exserted. 



HAB. Wet rocks. Aug. ^. Stem 2 ft. high, 

 simp. ; pedicels short, clavate ; fl. blue, flat. 



