SUNDEW FAMILY. 59 



•M- -H- ++ Flowers yellow. 



V. rotundifdlia, Round-leaved V. Only in cold woods N. ; the 

 roundish heart-shaped leaves flat on the ground, becoming large and sliining in 

 summer ; spreads by runners ; flower small. 



* * Leafy-stemmed Violets, wild, perennial : flowering in spring and summer. 



■i- Flowers yellow, short-spurred : stem 2 - 4-leaved above, naked below. 



V. pubeseens, Downy Yellow V. Common in rich woods ; soft- 

 downy, also a rather smooth variet}^ ; leaves broadly heart-shaped. 



V. hastata, Halbekd-leaved V. Scarce W. & S. ; smoother ; leaves 

 oblong-heart-shaped, halberd-shaped, or 3-lobed ; flower small. 



+- -1- Flowers not yellow : stem branched, leafy below : leaves rounded heart-shaped. 



V. striata, Pale v. Not rare N. & W., low ; flowers creamy-white, 

 with lower petal purple-lined; spur short; stipules large in proportion, strongly 

 fringe-toothed. 



V. eanina. Dog V., the Amer. variety : common in low grounds ; low, 

 witli creeping branches or short runners, fringe-toothed stipules, and spur half 

 the length of the violet flower. 



V. rostrata, Long-spurred V. Shady hills N. & W. ; 6' high, with 

 fringe-toothed sti])ules, and slender spur longer than the pale violet petals. 



V. Canadensis, Canada V. Common in rich woods N. & W., taller 

 than the others, l°-2° high, larger-leaved, with entire stipules; flowers all 

 summer, the petals white or purplish above, the upper ones violet-purple under- 

 neath ; spur very short and blunt. 



* * * Pansy' Violets, //-ont Europe, with leafy and branching stems, and large 

 leaf-like stipules : flowering througli the spring and summer. 



V. tricolor. Pansy or Heart's-ease. Cult, or running wild in gardens, 

 low, with roundish leaves, or the upper oval and lowest heart-sha])ed ; stipules 

 lyrate-pinnatifid ; petals of various colors, and often variegated, and under culti- 

 vation often very large and showy, the spur short and blunt. — Var. arvensis, 

 is a field variety, slender and small-flowered, thoroughly naturalized in some 

 places. (T) (?) 2/ 



V. COrnuta, Horned V. Prom the Pyrenees, cult, in borders of late ; 

 has sti]:(ules merely toothed, and light violet-purjile flowers with a very long 

 and slender spur. 2/ 



15. DKOSERACE^, SUNDEW FAMILY. 



Bog-herbs, with regular flowers, on scapes ; leaves in a tuft at 

 the root, glandular-bristly or bristly-fringed, and rolled up from the 

 apex in the bud, in the manner of Ferns ; the persistent sepals and 

 withering-persistent petals each 5; stamens 5-15 with their antliers 

 turned outward ; and a 1-celled many-seeded pod. Represented by 

 two genera. 



1. DROSERA. Stamens 5. Styles 3-5, but 2-parted so as to seem like 6-10. 



Ovarv with 3 parietal placentae. Reddish-colored and sticky-ghuididar. 



2. DIONiEA. Stamens 15. Style 1: stigma lobed and fringed. Ovules and 



seeds all at the broad base of the ovary and pod. Leaves terminated by a 

 bristly-bordered fly-trap. 



1. DROSERA, SUNDEW. (Name means in Greek dewy, or beset with 

 df/r-drojis, the gland surmounting tJic bristles of the leaves producing a clear 

 and dew-like droj) of li((uid, which is glutinous, and sciwes to catch small flies.) 

 Flowers small, in a 1 -sided spike or raceme, each opening only once, in sun- 

 shine, in summer. 2/ 



* Flowers small, white : leaves with a blade. 



D. rotundif61ia, Eound-leaved S. The commonest species in peat- 

 bogs, white round leaves on long petioles spreading in a tuft. When a small 

 fly or other insect is caught by the sticky glands on the ujiper face of the leaf, 



