144 VIOLACE^. lomDicM, 



X Doubtful species. 



33. V. radicans (DC): rhizoma horizontal, fibrillose; stigma with a 

 short beak, margined ; leaves ovate-lanceolate, abruptly attenuate at the base, or 

 somewhat cordate, serrate ; stipules linear, setaceously subulate, with bristly 

 serratures ; sepals linear, acute ; lateral petals obovale, beardless ?, the lowest 

 one smaller ; spur almost none. DC. prodr. 1. p. 207. 



South Carolina, Michaux Jil. (ex De Cand.).— Is this a variety of V. 

 Muhlenbergii ? 



3. SOLEA. Gingins, in DC. prodr. 1. p. 306.. 



Sepals nearly equal, not auricled, (reflexed after flowering, Gingins). Pe- 

 tals unequal; the lowest one 2-lobed and somewhat gibbous at the base ; the 

 rest emarginate. Stamens cohering; the lowest 2 bearing a gland above 

 the middle. Stigma uncinate, with a pore at the extremity of the point. 

 Capsule somewhat 3-sided, surrounded at the base by the concave torus. 

 Seeds 6-8, very large. — An herbaceous perennial herb, with alternate cauline 

 leaves, and small flowers on solitary or geminate axillary peduncles. 



Scarcely a distinct genus from the succeeding. 



S. concolor (Ging.) — DC. prodr. l.p. 306. Viola concolor, Forst. in Linn, 

 trans. 6. p. 308. t. 28 ; Niitt. ! gen. 1. p. 151 ; Schwein. ! I. c. ; Torr. ! fi. 

 I. c. V. stricta, Spreng. pug. rar. 1. p. 22. lonidium Sprengelii, Roem. ^ 

 Schidt. syst. 5. p. 401. 



Wet shady woods, western part of the State of New-York ! to Carolina ; 

 west to Missouri ! April-May— Plant somewhat pubescent or hairy. Stem 

 simple, leafy, a foot or more high. Leaves oblong-lanceolate, somewhat 

 erect, attenuated at each extremity. Peduncles very short, recurved. Flow- 

 ers greenish. Sepals about the length of the corolla. Lowest petal twice as 

 large as the others. Filaments produced a little above the anthers : nectari- 

 ferous glands sessile, confluent. Stigma glabrous, not margined. Capsule 

 nearly an inch long. Seeds whitish, globose-obovate. 



4. lONIDIUM. Vent, (in part) ; DC. prodr. 1. p. 307. 



Sepals small, unequal, not auricled, membranaceous on the margin. Pe- 

 tals unequal ; the inferior one much larger than the others, somewhat ungui- 

 culate, with a dilated lamina, a little concave or gibbous at the base. Sta- 

 mens approximate ; filaments soraeAvhat unguiculate, bearing the anthers low 

 down ; the 2 anterior ones usually with a nectariferous gland or appendage 

 at the base. Capsule few-seeded. — Herbaceous or suflruticose humble plants. 

 Leaves alternate or opposite. Peduncles solitary, 1-flowered, articulated, 

 usually with 2 bracteoles above the middle. 



1. /. stiptdaceum (Nutt. ! mss.) : nearly glabrous, annual (?) ; leaves al- 

 ternate ; lower ones oblong ; upper ones oblong-linear and linear, entire ; sti- 

 pules large, linear-lanceolate ; sepals very acute ; limb of the inferior petals 

 reniform, twice as long as the calyx ; appendages of the lower stamens sub- 

 ulate. 



Plains of Red River, Arkansas, Nuttall! and on the Arkansas near 

 Fort Towson, Dr. Leavenxtorth ! Texas, Drummond! May-June. — 

 Plant 8-12 inches high. Leaves about li inch long, sometimes all except 



