RANUNCDLACEiE. 17 RANUNCULUS. 



Flowers large, of a brilliant yellow, and so numerous as often to clothe whole 

 fields in their golden mantle. There is acultivated variety, w:th double flow- 

 ers. Jn.— Sept. Bidtcr-cups. 



7. R. BULBO'SUS. 



Hairy; s^em erect, bulbons at the base; radical leaves ternaie ; lenjlets petl- 

 olate, incisely dentate, each about ;?-cleft; pcr/zwic/fif furrowed ; calyx retle.xed. 

 This is another acrid species, very coininon in pastures, mow-lands, &c. Root 

 fleshy. Stem leafy, lurrowed, 12—18 inches high, hollow, thickened at the 

 base into a sort of bulb, and dividing above into upright peduncles, with gol- 

 den-yellow flowers. It is well distinguished from R. acris by the lower ternate 

 and hairy leaves, and the reflexed calyx leaves. Flowering all summer. 



Bulbous Croirfoot. 



8. R. fascicula'ris. 



Leaves pubescent, ternate, the middle segment deeply 3-cleft ; ro7?/x spread- 

 ing, villous, shorter tlian the petals; ^stern erect, branching. Grows on dry 

 hills and in woods, flowering in April and May. Root a /fl5c;<;/« of fleshy 

 fibres. Rdot kaves on lon;.r stalks, so divided as to appear nearly pinnate. 

 Flowers large. Nectary a flat scale as broad as the transparent claw of the 

 petal. Caly.x sjireadiiig, yellow inside, hairy outside. Early Ciovjout. 



9. R. PeNNSYLVA'NICUS. L. R- Hispidus. P. 

 .S<em hispid, erect, branching; /eaMsteraate ; hafiets s\.-A.\keA, deeply 3-cleft, 



cut and toothed, hairy beneath ; calyx reflexed, rather longer than the round- 

 ish petals. A very hairy plant, above a foot high, found in wet meadows. 

 Leaflets strongly veined with spreading segments. Flowers numerous, bright 

 yellow, terminal. Petals orbicular, hardly as long as the calyx. Jn. — Aug. 



Bristly Crowfuol. 



10. R. recurva'tus. 



.S/fm erect; leaves 3-parted, incised at the apex and cunciate at the base, 

 hairy; c«/!/x recurved ; petals linear-lanceolate. Also a hairy species, afoot 

 high, growing in woods. Stem very hairy, brajiched at top and leafy. Leaves 

 somewhat S-iuigled. iia'J-broad-oval. segments, the lateral ones2-lobed. Flow- 

 ers small, nearly white of yellowisk. Achenia ovate, with minute, hooked 

 beaks. May.— Jl. Recurved Croicfoot. 



11. R. REl'ENS. 



Le«»es ternate ; Zca^c(5 crenate, 3-lobed, cut-dentate; main stems creeping, 

 flowering ones erect; /jerftmc/ 65 furrowed ; calyr spreading. In wet or shady 

 places. "Readily distinguished by its long, prostrate stems which are jointed, 

 leafy and branching. The upright stems are short and ramose with bright 

 yellow flowers of middle size. Petals often emarginate. The herb is dark 

 green, riulher rough and hairy. Flowers all summer. Trailing Croirfoot. 



12. R. Pu'RSHII. Richardson. R. Fluviatilis. B. 

 Floating; leaves cleft into numerous capillary segments with axillary leaf- 

 lets ; peduncles opposite to bracts; petals 5—8, of ovate, twice as long as the 

 calyx; 7iec<«/-(/ concave. It grows in stagnant pools, where the stems float 

 in the water, and are several feet in length. Leaves on short stalks, all sub- 

 merged, with clasping menbranaceous stipules. Peduncles emerging, forked, 

 striate, bearing large, terminal, yellow flowers. Nectary nearly as long as the 

 ■iiiamenta. Calyx'spreading, caducous, thick, hairy. May. Jn. 



Floating Crowfoot. 



1* 



