EOSACEiE. (rose FAMILY.) 117 



i 2. ST llilPTJS, Raf. — Styles smooth i head offimt connpieaouihi stalked in the 

 calyx: bractlets of the calyx none: otherwise as ^ I. 



5. Gt vernum, Torr. & Gr. Somewhat pubescent; stems ascending, 

 few-leaved, slender ; root-leaves roimdish-heart-shaped, 3 - 5-lobed, or some of 

 them pinnate, with the lobes cut j petals yellow, about the length of the calyx ; 

 receptacle smooth. — Thickets, Ohio to Illinois and Kentucky. April- June. 



§ 3. CAKYOPHYLLATA, Toum. — Style jointed and bent in the middle, the 

 upper joint plumose : flowers large : calyx erect or spreading : petals erect. 



6. <5. riv&le, L. (Wateb or Pueplb Avens.) Stems nearly simple, 

 several-flowered (2° high) ; root-leaves lyrate and interruptedly pinnate ; those 

 of the stem few, 3-foliolate or 3-lobed ; petals inversely heart-shaped, contracted 

 into a claw, purplish-orange ; head of fruit stalked. — Bogs and wet meadows, 

 N. England to Wisconsin and northward. May. -^ Blossoms nodding, but the 

 feathery fruiting heads upright. Calyx brown-purple. (Eu.) 



5 4. SIEVEESIA, Willd. — Style twt jointed, wholly persistent and straight : head 

 of fruit sessile : flowers large : calyx erect or spreading. {Flowering stems simple, 

 and bearing only bracts or smaU leaves.) 



7. Cr. triflomm, Pursh. Low, softly hairy; root-leaves intemiptedly 

 pinnate ; the leaflets very numerous and crowded, oblong-wedge-form, deeply 

 cut-toothed ; flowers 3 or more on long peduncles; bractlets linear, longer than the 

 purple calyx, as long as the oblong purplish erect petals ; styles very long (2'), strongly 

 plumose in fruit. — Bocks, New Hampshire and N. New York northward to 

 Wisconsin; rare. April -June. 



8. O. radiatum, Miehx. Hirsutely hairy or smoothish ; root-leaves 

 rounded-kidney-shaped, radiate-veined (2' - 5' broad), doubly or irregularly cut- 

 toothed and obscurely 5 - 7-lobed, also a set of minute leaflets down the long 

 petiole; stems (8'-18' high) 1-5-flowered; bractlets minute ; petals yeUow, round- 

 obaoate and more or less obcordate, exceeding the calyx (i' long), spreading ; 

 styles naked except the base. (High mountains of Carolina.) 



Var. Pecliii. Nearly glabrous, or the stalks and veins of the leaves 

 sparsely hirsute. (G. Peckii, Pursh.) — Alpine tops of the White Mountains of 

 New Hampshire. July - Sept. 



10. -WAliDSTEIWIA, WUld. (Comar6psis, ZJC.) 



Calyx-tube inversely conical ; the limb 5-cleft, with 5 often minute and decid- 

 uous bractlets. Petals 5. Stamens many, inserted into the thi-oat of the calyx. 

 Achenia 2-6, minutely hairy ; the teiminal slender styles deciduous from the 

 base by a joint. Seed erect. — Low perennial herbs, with chiefly radical 3-5- 

 lobed or divided leaves, and small yellow flowers on bracted scapes. (Named 

 in honor ot Francis von Waldstein, a German botanist.) 



1. "W. fragarioides, Tratt. (Bakren Steaweeert.) Low; leaf 

 lets 3, broadly wedge-form, cut-toothed ; scapes several-flowered ; petals longer 

 than the calyx. (Dalibarda fragarioides, Michx.) — Wooded hiU-sides, common 

 northward, and southward along the Alleghanies. 



