114 



RANUNCULACEAE. 



Vol. II. 



28. Ranunculus fascicularis Muhl. Early or 

 Tufted Buttercup. Fig. 1922. 



Ranunculus fascicularis Muhl. Cat. 54. J813. 



Appressed-pubescent; fibrous roots thickened; 

 plant generally low, 6'-i2' high, tufted. Leaves 

 petioled, 3-5-divided; divisions stalked (especially 

 the terminal one), deeply lobed and cleft, the lobes 

 oblong or linear; flowers about l' broad; petals yel- 

 low, obovate-spatulate, much longer than the spread- 

 ing sepals, rounded, truncate or even emarginate ; 

 head of fruit globose, about 4" in diameter; achenes 

 flat, slightly margined, beaked with the subulate per- 

 sistent style which is nearly or quite their length. 



Woods, Ontario to Massachusetts, North Carolina, 

 Wisconsin, Kansas and Texas. Reported from Mani- 

 toba. Not common near the Atlantic coast. Bundle- 

 rooted buttercup. Cowslip. April-May. 



29. Ranunculus parvulus L. Hairy Butter- 

 cup. Fig. 1923. 



Ranunculus parvulus L. Mant. i : 79. 1767. 

 Ranunculus Philonotis Retz, Obs. 6: 31. 1791. 



Erect, hairy, 6'-is' high, branching. Basal and 

 lower leaves broad-petioled, the blade i'-2' broad 

 and long, 3-divided or cleft, the divisions broadly 

 ovate, cuneate, stalked, cleft and lobed, the terminal 

 sessile or nearly 50, deeply cleft into linear-oblong 

 obtuse segments; flowers yellow, 12" broad or less; 

 petals much exceeding the reflexed calyx; head of 

 fruit oblong, 2"-^" thick ; achenes flat, strongly mar- 

 gined, short-beaked, provided with a series of small 

 tubercles or papillae which become more prominent 

 in drying, or nearly smooth. 



In ballast grounds and waste places, New Brunswick ; 

 Pennsylvania to Florida. Adventive from Europe. 

 Summer. 



30. Ranunculus parviflorus L. Small-flowered Crowfoot. Fig. 1924. 



Ranunculus parviflorus L. Sp. PI. Ed. 2, 78c. 1763. 



Hairy, slender, diffuse, annual, branching from 

 the base, 6'-io' high. Basal leaves long-petioled, 

 the blade reniform or cordate-orbicular, i' broad 

 or less, 3-cleft, the lobes broadly oval, obtuse, 

 cut and toothed ; upper leaves short-petioled or 

 nearly sessile, 3-S-parted into linear-oblong lobes; 

 flowers yellow, i"-2" wide; petals not much 

 longer than the calyx; head of fruit globose, 2" 

 broad ; achenes flat, margined, densely papillose, 

 li" long, tipped with a sharp beak of about one- 

 fourth their length. 



In waste places, Maryland and eastern Virginia to 

 Florida, Arkansas and Texas, and in ballast grounds 

 about the northern seaports. Naturalized or fugi- 

 tive from Europe. Also naturalized in Bermuda and 

 in Jamaica. Summer. 



