204 ROSACEA. Geum. 



and filiform in fruit, plumose. — Pursh, Jl. I. p. 736 ; Seringe in DC. prodr. 2. p. 533 ; 

 Torr. 4- Gr.Jl. N. Am. \. p. 423. Bieversia triflora, R. Br. in Parry's \st voy. app. p. 276; 

 Richards, app. Frankl. journ. ed 2. p. 21 ; Hook, in bot. mag. t. 2858, and Jl. Bor.-Am. 1. 

 p. 176. S. rosea, Graham in Edin. phil. journ. 1831. 



Rhizoma creeping, thick and brown. Stems or scapes in the flowering state only 4-6 

 inches, in fruit a foot or 15 inches high, with 2 opposire small laciniatc leaves near the middle, 

 and several others resembling an involucre at the base of the peduncles ; the 2 lateral flower- 

 stalks also furnished with similar but smaller leaflets about the middle. Radical leaves 

 numerous : leaflets mostly 3 - 5-toothed, or 3 - 5-cleft at the summit. Flowers nodding 

 when first expanded ; the peduncles at first scarcely half an inch long, in fruit 3-4 inches. 

 Calyx and involucral leaves usually of a purplish color. Petals yellowish-white tinged with 

 purple, persistent. Styles of the mature fruit more than 2 inches long, very slender, purple, 

 plumose with white silky hairs. 



On rocks, Watertown, Jefferson county ; very rare {Dr. Crawe). A beautiful plant when 

 in fruit. It has not recently been found within the limits of this State. 



7. WALDSTEINIA. Willd. act. nat. cur. Berol. 2. p. 106. t. 4./. 1 ; Torr. ^ Or. fi. 



N. Am. 1 . p. 426. WALDSTEINIA. 



Waldsteinia and Comaropsis, DC; Endl. 



[Named in honor of Franz de W^i.dstein, a distinguished Gennan botanist.] 



Tube of the calyx turbinate or obconic ; the limb 5-cleft, with 5 alternate, sometimes minute 

 and deciduous bracteoles, which are occasionally wanting. Petals 5, sessile, deciduous. 

 Stamens numerous, inserted into the throat of the calyx above the free border of the disk 

 that lines the calyx-tube. Achenia 2-6, dry or somewhat fleshy, inserted on a short 

 receptacle : styles terminal, filiform, separating from the carpel by an articulation. Seed 

 erect. Radicle inferior. — Low perennial herbs, with a prostrate or creeping rhizoma, and 

 mostly radical, roundish, 3 - 5-lobed or divided leaves. Scapes bracteate. Petals yellow. 



1. Waldsteinia fragarioides, Tratt. Strawberry -like Waldsteinia. 



Leaves trifoliolate , the leaflets broadly obovate-cuneate and petiolulate, crenately toothed 

 and incised ; scapes erect, bracteate, 3 - 5-flowered ; segments of the calyx shorter than the 

 oblong petals ; (bracteoles sometimes wanting) ; carpels 4-6, hairy. — Torr. <^ Or. Jl. N. 

 Am. 1. p. 426. Dalibarda fragarioides, Michx. Jl. 1. p. 300. t. 28; Pursh, Jl. 1. p 351 ; 

 Bot.mag.t.lbQI; Torr. Jl. 1. p. 4^91 ; Bigel. Jl. Bost p. 203. Comaropsis fragarioides, 

 DC. prodr. 2. p. 555 ; Hook. Jl. Bor.-Am. 1. p. 177. C. Doniana, DC. I. c. 



Rhizoma rather thick, brownish. Leaves all radical ; the petioles 3-4 inches long : 

 leaflets a little hairy on both sides, \ — \\ inch long, and often nearly as wide as long. Scapes 



