RANUNCULAGES. (CROWFOOT FAMILY.) 1% 
1, A. nemorosa, L. (Woop Anemone.) Smooth or somewhat villous; stems 
from a slender rootstock, 3 to 12 inches high, without radical leaves, one-flowered; invo- 
lucre of 3 petioled ternate leaves, the divisions cuneate-oblong to ovate, incisely toothed 
or lobed, or the lateral ones 2-parted, about an inch long; the 4 to 7 sepals pinkish or 
white; akenes 12 to 20, oblong, with a hooked beak. 
Here belongs Thalictrum Fendleri, Englm. A smooth apetalous diccious herb; also, 
Myosurus minimus, I. A very small herb, with a tuft of linear or spatulate entire 
radical leaves, and solitary flowers on simple scapes; called Mouse-tail, from its long, 
narrow receptacle, densely covered with small akenes. 
3. RANUNCULUS, L. Burrercor. 
Sepals usually 5. Petals 3 +018. Pistils numerous, Akenes in a head, usually flat- 
tened, beaked with the persistent style. 
§ 1. Aquatic herbs; petals white, with a pit at the base, the claw yellow; akenes trans- 
versely wrinkled. 
1, R. hederaceus, L., var. Glabrous; stems 6 to 12 inches long, floating; leaves 
commonly all floating, 3 to 8 lines wide, deeply 3-lobed, truncate or cordate at the base; 
the lobes equal, oval or oblong, the lateral ones usually with a broad notch in the apex; 
submersed leaves none or rudimentary and resembling adventitious roots; peduncles 
opposite the upper leaves, thicker than the petiole, 6 to 8 lines long; sepals a line long; 
petals 2 lines long, obovate oblong; stamens 5 to 9; akenes 4 to 6. 
2. R. aquatilis, L., var. tricophyllus, Chaix. Stems long, filiform; leaves all 
submersed and cut into numerous capillary segments, which are 4 to 10 lines long; flowers 
3 to 5 lines in diameter; akenes numerous in a globular head, 
§2. Terrestrial herbs, but often growing in wet places; sepals green; petals yellow, with 
a scale at the base; akenes neither wrinkled nor hispid. 
* All the leaves undivided, the margins entire. 
3. R. Flammula, L., var. reptans, Gr. Glabrous throughout; stems filiform, creep- 
ing and rooting at the joints, 4 to 10 inches long; leaves mostly lanceolate and acute at 
each end, entire; flowers 2 to 5 lines in diameter; petals broadly obovate, one half longer 
tltn the sepals; akenes few, in a small globular head, plump, smooth; beak very short 
and curved, 
4. R. alismeefolius, Geyer. Similar to the last species, but with stoutish, erect 
stems, longer flowers and obtuse leaves; akenes straight-beaked. 
** Some or all the leaves ternately compound. 
5. R. Californicus, Benth. More or less hairy; stems erect, or nearly so, 12 to 18 
inches high; radical leaves, commonly pinnately ternate, the leaves laciniately cut into 
3 to7 parts, which are usually linear; flowers bright yellow, 5 to 10 lines in diameter; 
