76 RANUNCULACEAE. {Von II. 
Ranunculus réptans intermédius (Hook.) T. & G. Fl. N. A. 1:16. 1838. 
Ranunculus Flammula var, intermedius Hook. F1, Bor. Am. 1:11. 1829. 
Larger; leaves longer and wider, 3'-5’ long, 2'’-3'’ wide. Newfoundland to the shores of the 
Great Lakes, and Oregon. The European 2. Flammula has not been found in America. 
g. Ranunculus obtusitsculus Raf. Water Plantain Spearwort. (Fig. 1603.) 
Ranunculus obtusiusculus Raf. Med. 
Rep. (II.) 5: 359. 1808. 
Ranunculus alismaefolius A. Gray, 
Man. Ed. 5, 41. 1867. Not Geyer, 1848. 
Ranunculus ambigens S. Wats. Bibliog. 
Index, 1:16. 1878. 
Stout, 1°-3° high, ascending, gla- 
brous, rooting from the lower nodes; 
stem hollow, sometimes nearly 1/ thick 
at the base. Leaves lanceolate or ob- 
long-lanceolate, 3/-6’ long, 5//-12/” 
wide, denticulate or entire, all but the 
uppermost on broad petioles, which 
clasp the stem by a broad base; flowers 
yellow, panicled, 6’’-8’’ broad; petals 
5-7, much exceeding the sepals; head 
of fruit globose or slightly elongated, 
5/’-6’’ in diameter; achenes com- 
pressed, %’’ long, subulate-beaked. 
but the beak early deciduous. 
Marshes, Maine and Ontario to Geor- 
gia, west to Minnesota and Missouri. 
June-Aug. 
to. Ranunculus nivalis L. Snow 
Buttercup. (Fig. 1604.) 
Ranunculus nivalis L. Sp. Pl. 553. 1753- 
Stem simple, 4-12’ high. Basal leaves long- 
petioled, 3-7-lobed, or crenate, thick, glabrous, 
the blade about 1’ broad, those of the stem 
short-petioled or sessile, deeply lobed; flowers 
solitary, 6’’-9’’ broad, white or light yellow; 
calyx nearly half the length of the petals, 
densely black or brown hairy all over, as is the 
upper part of the peduncle; head of fruit oblong, 
6’’ long; achenes tipped with the subulate style. 
Labrador and arctic America generally; also in 
northern Europe and Asia. Summer. 
11. Ranunculus pygmaéus Wahl. Pigmy 
Buttercup. (Fig. 1605.) 
Ranunculus pygmaeus Wahl. Fl. Lapp. 157. 1812. 
Small, 1/-2’ high, glabrous or sparsely pubescent. 
Basal leaves slender-petioled, deeply 3-5-lobed or di- 
vided, the blade 3/’-6’”’ wide; those of the stem similar 
and nearly sessile; flowers yellow, 2’’-3’’ wide, the 
petals slightly exceeding the sepals; head of fruit short- 
oblong, 2’’ long; achenes %’’ long, lenticular, tipped 
with a slender beak. 
Labrador, arctic America, and in the Rocky Mountains- 
Also in Europe and Asia. 
