142 FLORA OF TEXAS. 



pals commonly 8, all linear-oblong, 5-6" long, soon falling. 

 Acbenia flattened. 



4. HEPATICA, Dill. Liver-leaf. 



Flowers and fruit as Anemone. Involucre close to the 

 flower, 3-leaved, resembling a calyx ; its leaves sessile, 

 ovate, entire. A low, perennial herb, with scape-like, 1-flow- 

 ered ? 



5. THALICTEUM, Tourn. Meadow Rue. 



Sepals 4-10, imbricated in the bud, colored, spreading, 

 deciduous. Petals none. Stamens numerous. Filaments 

 filiform, clavate or flattened. Ovaries 3-15, 1-ovuled. Aclie- 

 nia sessile or stalked, furrowed or inflated, pointed by the 

 sessile persistent stigma or short style. Seed suspended. 

 Perennial herbs. Leaves compound. 



* Floicers pohjga'nous or dioecious; sepals shorter than the stamens; stigma 

 elongated ; achenia nearly sessile, ribbed ; leaves alternate, decompound ; in- 

 volucre none ; fioicers small, paniiled. 



T. dioicu:m:, L. Stems erect; leaves long-petioled ; leaf- 

 lets thin, roundish, crenately 5-7-lobed, smooth; fioivers 

 numerous; sepals greenish; stamens and cS^2*^?72fl filiform ; 

 achenia sessile or distinctly stalked. 



T. DEBiLE, Buckley. Stems low (8-12'), procumbent 

 or ascending, much branched; leaves long-petioled; leaf- 

 lets small, stalked, rounded, crenately lobed, smooth ; flow- 

 ers few on axillary or terminal peduncles ; achenia oblong, 

 strongly ribbed, short-stalked, as long as the slender style. 

 Stems branching at the base, slender. March-April. 



T. CORIS'UTI, L. Radical leaves long-petioled ; stem- 

 leaves sessile (the common petiole wanting) ; leaflets thick, 

 oval or oblong, 3-lobed or entire, often cordate, smooth, or 

 pubescent beneath ; sepals white ; stamens and stigma 

 slightly clavate; achenia short-stalked. Meadows and 

 woods. June-August. Stems 3-40' high. Radical leaves 

 very large. 



