PENTANDRIA. MONOGYNIA. 29 



r. FiTLVA. Xult. Leavesrhombic-ovate, obtuse; nectary acutely conic, longer than tlie petals. 



Synon. I biflora. P$. and Ell. Fu/g-o— Snap-weed. Night-shade. Touch-me-not. 



Fl. Latter end of June till October. Fr. mat. Beginning of August, and after. 



Jfab. Wet, low grounds; rivulets, fence-rows, &c. common. 2 to 5 feet high: flovrers deep yellow, spotted. 



Obs- These two species, if they be really such, closely resemble each other in general appearance; and 

 are more readily distinguishable by their flowers, than any thing else. Their succulent, and almost pellucid 

 stems, are sometimes bruised and applied externally, as refrigerant cataplasms, in cases of phlegmons, Lc. 



97. VIOLA. IVutt. Gen. 225. 



[A latin name of obscure derivation. See De Thels.'\ 



Cai.. 5 leaved. Cor. irregular; lower petal cornute behind. Anthers connivent. Caps. 1 ceiled, 3 valved, 



§1. Without Stems. 

 V PED VTA Schweinifz. Leaves pedate, about 7 parted; segments linear-lanceolate, entire, or dentate. 

 Fl. Latter end of April. F^- ^^at. Middle of June. 



Hab. Slaty, barren hills; north of West-Chester: frequent: flowers handsome blue. 



O&.t. For a highly interesting monography of this family of plants, by the Rev. L. D. v. Schweinitz, 

 See SiUiman's Journal of Science, Vol. 5. p. 48. 



V. PALMATA. Schw. Leaves cordate, or hastate-lobed, and palmate; lobes polymorphous, crcnate -dentate, 

 Fl. Beginning of May. ^r. mat. Latter end of June. 



Hab. Woods, and low grounds: Patton^s woods: frequent: flowers blue. 



Obs. There is an almost endless variety in the forms of the leaves of this species. I'laj^Jf ,™?"^' 

 however, very regularly digitate, ^vhich Mr. Schwemitz says he has latterly begun to consider a distmct 

 species; and may be called V. digitata. 



V. ASARiFOLiA. Schw. Leaves dilated-reniform, acute, crenate-dentate; petioles densely pilose; scape short. 

 Fl. Latter end of April. Fr. mat- Beginning of June. 



Hab. Rich woodlands: Batli woods: frequent: flowers bluish purple. 



V. sAGiTTATA. Schw . Lcavcs oblong, cordate-sagittate, and incised at base; scapes as long as the leaves- 

 Fl. Latter end of April. Fr. mat. Beginning of June. 



Hab. Dry, sterile hills r Barren ridge: frequent: flowers pale blue. 



V. OVATA. Schw. Leavesovate,subcGrdate,crenate;petiolesmarginate; scapes longer than the leaves. 

 Synon. V. ciliata. rtluhl. V. primulifolia. Ph. not of Ell. nor IVilld. 

 Fl. Latter end of April. Fr. mat. 



Hub. Dry sterile hills: north of Joseph Taylor's: frequent: flowers bright blue. 



V. cucrLLATA. Schw. Leaves cordate, cowled, veined; scape terete; lower petal rounded, bearded. 



Fl. Latter end of April. Fr. mat. 



Hab. Along rivulets, and shaded low grounds: frequent: flowers blue. 



V. OBLIQUA. Schio. Leaves cordate, acute, smooth; scape channelled, long; lower petal acute, beardleSg, 



Fl- Middle of May. Fr. mat. 



Hab. Moist, shaded grounds; swampy springs, &c. Bath woods: frequent: flowers deep blue: 



V. PRIMULIFOLIA. Schw. Lcavcs erect, mostly oblong, obtuse, and abruptly decurrent on the petioles. 



Fl- Latter end of M?y. Fr. mat. 



Hab. Moist woodlands, and low grounds; Patton's woods: frequent: flowers white. 



Obs. Some of the younger leaves of this species are completely orbicular; others ovate, or cordate, an* 

 acute. 



V. BLAXDA. Schi!}. Leaves flat, broad-cordate, of ten rather acute, sometimes orbicular; sinus nearly closed, 

 F/. Latter end of April, and after. Fr. mat. 



Hab. Swamps, borders of shaded rivulets, &c. frequent: flowers small, white, or cream-colored. 



§2. Producing Stems. 

 V. OCHEOLEUCA. Scho. Stem erect; leaves cordate; stipules ciliate-dentate; lateral petalsdensely bearded, 

 Synon. V. striata. Nutt. Persoon. Ph? tVilldl not of Muhl 

 Fl. Beginning of IVIay. Fr. mat. 



Oab. Biandywjne, below Wistar's bridge; rare. 5 to 10 iaches high: flowers }ars.e, ochre, or cream-colored. 



