670 M6. Viola, 7^. VIOLACEm PI. ex. thai. 



€. Viola arvensis: Corn violet. 



Plant bald ; stem angular, branchy, diffused ;. petals 

 scarcely as long as the calyx; stipules pinnatifid at the- 

 bottom. 



Viola bicfllor arvensis. Rati Syn. 366, 11. 

 Viola tricolor petraea, Ger. cm, S54, 4. 

 Viola arvensis, Sibthorp Fl. Ox. 84. 



Corn-fields ; annua] ; May and August. 



Stem slightly pubescent; lower leaves round, heartshape;. 

 upper leaves ovate, oblong, crenated ; pedu?icles, long; 

 floivers white and yellow. 



7. Viola lutea. Yellow violet. 



Stem .^-sided, simple, upright; leaves ovate, oblong, 

 crenated, fringed ; stipules palmately cut, fringed. 



Viola montana lutea grandiflora nostras, Raii.Sj^n. 365, 10, 



Viola lutea, Withering Bot.Arr. 263. 



Viola grandiflora, Hudson Fl. Angl. ed. 2,380. 



Great yellom pansey. 



Mountainous pastures j perennial; May tt) September; 



Stem weak at bottom ; stipule-lohes: divaricating, outer 

 lobes smallest; petals longer than the calyx, yellow, streaked 

 with black at the bottom, sometimes blue. 



Fam. XIV. 79. PARNASSIiE. Capparidihus affines, Juss. 

 Calyx 5-parted, persisting; petals 5, hypogynous, regular, 

 alternating with the sepales ; nectariferous scales 1 or 2, 

 frincred, glandular, at the base of each petal; 5/ow^e/75^ 5, 

 hypogynous, alternating witli the petals ; anthers 2-celled : 

 ovary 1, sessile^ free; styles 0; stigmata 2 or 4<, persisting; 

 capsule 4-valved, I -celled, or apparently ^-celled; partitions 

 on the middle of the valves; seeds ascending, margined; 

 perisperm 0; corculum straight; cotyledon small; radicle 

 below. — Stem herbaceous ; leaves radical, heartshape, ribiess, 

 bald, not in the least cut,', scape 4-flowered at the tip; 

 bractea 1, leaflike in the middle of the scape. 



417. PAR'NASSIA, Tournefort. Grass-of-Parnossus. 



Calyx 5-Tparted; petals 5 or 6; scale 1, at the- base of 

 each of the petals ; stamens'5 ; capsule 4-sided, 1-celled. 



Parnassia palustris. Marsh grass-of-Pldrnassus. 



Root-leaves heartshape ; nectariferous scales many-bristledL 



