VIOLACEAF 



VOL. II. 



4. Viola triloba Schwein. 



Fig. 2926. 



V. triloba Schwein. Am. Journ. Sci. 5: 57. 1822. 



V. congener Le Conte, Ann. Lye. N. Y. 2 : 140. 1826. 



Earliest leaves and those put forth in late sum- 

 mer usually with uncut blades, reniform, cordate, 

 sparingly pubescent or glabrate; those unfolding at 

 petaliferous flowering densely villous beneath and 

 on the petioles, the blades 4'-6' wide when mature, 

 3-lobed or rarely 3-parted, the middle segment broad, 

 the lateral lunate, divaricate, often coarsely toothed 

 or cleft; peduncles mostly glabrous, shorter than the 

 leaves; petals deep violet; outer sepals ovate-lanceo- 

 late, somewhat obtuse, slightly ciliate, cleistogamous 

 capsules ovoid, purplish; seeds buff or brown. 



Dry woodlands, southern New England and New 

 York, south to Georgia and' Alabama. Var. dilatata 

 (Ell.) Brainerd (V. falcata Greene), in which the 

 pedately cut leaves have more numerous and deeper 

 incisions, occurs from Missouri eastward to the coast 

 and southward to Louisiana and Florida. April-May. 



3. Viola Stoneana House. Witmer Stone's 

 Violet. Fig. 2925. 



Viola septemloba Stone, Proc. Acad. Phila. 1903 : 678 



Not Le Conte 1826. 

 V. Stoneana House, Bull. Torr. Club 32: 253. 1905. 



Glabrous, except for very minute hairs along the 

 margin of the leaves and on the veins ; blades, ex- 

 cept sometimes the earliest, 3-divided or -parted, the 

 segments 2-3-cleft, the divisions cuneate or oblan- 

 ceolate, acuminate, remotely toothed on the upper 

 half, the middle division the widest, the two lower 

 often lunate and coarsely toothed on the lower mar- 

 gin ; mature leaves often io'-i4' high, the blades $'-4 

 wide; flowers on peduncles 3 '-4' high, large, violet, 

 darker toward the throat, lateral petals bearded, 

 spurred petal glabrous; cleistogamous flowers on 

 short horizontal peduncles, their capsules ovoid, 

 blotched with purple; seeds buff. 



Moist woodlands, New Jersey, eastern Pennsylvania 

 and Maryland. May. 



Three-lobed Violet. 



5. Viola papilionacea Pursh. Meadow 

 or Hooded Blue Violet. Fig. 2927. 



Viola papilionacea Pursh, Fl. Am. Sept. i : 173. 

 1814. 



Viola domes tica Bicknell, 111. Fl. 3: 519. 1898. 

 Viola pratincola Greene, Pittonia 4: 64. 1899. 



Plants usually glabrous, robust from a 

 stout branching rootstock; petioles sometimes 

 sparingly pubescent, becoming much longer 

 than the blades; these often 5' broad, reni- 

 form or ovate, cordate, acute or sometimes 

 abruptly pointed ; scapes shorter than the 

 leaves; corolla deep violet, white or greenish 

 yellow at the center, sometimes wholly white; 

 the odd petal often narrow and boat-shaped, 

 usually beardless ; outer sepals ovate-lanceo- 

 late; capsules ellipsoid, green or dark purple, 

 S"-7" Jong; seeds i" long, dark brown. 



Moist fields and groves, frequently about 

 dwellings, Massachusetts to Minnesota, south to 

 Georgia and Oklahoma. Ascends to 6000 ft. in 

 Virginia. Long-stemmed purple violet. Fighting 

 cocks. Common blue violet. April-May. 



Figured as V. obliqua in our first edition. 



