Order 13.— V10LE'J»S. 



160 



style 1, witl. a one-sided stigma; capsule 1-celled, 3-valvod; 

 seeds many, with the embryo nearly as long as the albumen. 



Analysis of the Genera. 

 Sepals unequal, with ear-shaped lobes at base. 

 Sepals nearly equal, not appendaged at base. 



Viola. 1 

 Green VioUt. So'^lka. 



1. VI'OLA. Violet. 

 Sepals 5, prolonged at base into two auricnlate 

 lobes. Petals more or less unequal, the largest 

 one spurred at base, the 2 cpposite ones at the 

 sides equal, the 2 upper ones all equal. Stamens 

 cohering by their anthers, 2 of them spurred at 

 base. Seeds attached to the valves of the capsule. 

 — 11 Low herbs, caulescent or acaulescent. Pe- 

 duncles angular, solitary, 1 -flowered, nodding at 

 the top. 



* Acaulescent : leaves and flowers all radical a Fig. S9S. Violet No. 1 : section. 



* Caulescent : stems leafy d 



a Flowers bine b 



a Flowers white Nos. 2-4. 



a Flowers yellow No. 1. 



b Petals beardless 5-7 



b Petals bearded c 



c Leaves divided 8.9 [otic 22. 



c Leaves undivided.... 10-12, and the Ex- 



d Pet. yellow. Stems leafy at the top only 13-15 



d Petals not yellow, or but partly yellow e 



e Stipules entire. Summer 16 



e Stipules fringe-toothed. May, June 17-19 



e Stipules lyrate-pinnatifid, very large 20-21 



1 v. rotundifo'lia. Early YeUoiv Violet. Lvs. round-ovate, 

 cordate, smooth. Sepals blunt. April. 



2 V. lanceola'ta. Lance-leavedV. Lvs. lanceolate, tapering to the base. Some bearded. 



3 V. primulaefo'lia. Primrose V. Lvs. lance-ovate, abrupt at base. Fls. beardlest^. 



4 V. blanda. Sweet Wild F. Leaves round-cordate. Fls. beardless, fragrant. 1/ay. 

 V. palus'tris. Bog V. Lvs. reniform-cordate. Spur very short. Stips. ovate. White Mts 

 V. Selkir'kii. Selkirk" sV. Lvs. round-cor. Spur near as long as petals, blunt. May. 



7 V. peda'ta. Fo"t-Uaved P.Lvs. pedate, 5-9-part.,segm. narrow, entire. Root premort^L'. 

 8 V. delphinifo'lia. Larkspur V. Leaves in 7-9 linear, 3-elfcft segments. W.ApriU 

 9V. palma'ta. Pahn-leaved V. Leaves hastate-lobed. cordate. Tam-^y of No. 10. 



Fig. S99. Ripe, open cap- 

 sule of Violet. 



