ORDER 1. RANUNCULACE^. 19 



3 T. purpuriisccus L. Stem tall (3 6f!), purple; stem leaves sessile, or nearly BO, 



Ifts. thick and firm, with rolled edges, pale and often glandular-downy beneath ; anth. 

 linear, drooping ; acheuia sessile, as long as their stigmas. Hilly woods. June, July. 



4 T. clavatum DC. Slender (1 2f) ; Ivs. petiolate, biternate, Ifts. obtusely lobed; 



ach. curved, 5 10, short-pointed, long-stiped. Mts., N. Oar. to Ala. White. July. 



5. TRAUTVETTBRIA, Fisch. & Meyer. Sep. 4 or 5, colored, cadu- 

 cous. Pet. 0. Filam. petaloid. Ach. 15 20 in a head, membranous, in- 

 flated, angular, tipped with the short hooked style, 2 Leaves palmately 

 lobed, alternate. Flowers corymbous, white. 



T. pal in al a F. & M. Prairies and woods. Can. to Va., W. to the Cascade Mts. I 

 3 5f. Radical Ivs. large, 5-9-lobed ; stem Ivs. few ; corymb terminal. July, August. 



6. ADONIS, L. PHEASANT'S-EYE. Sepals 5. Petals 5 15, the claw 

 naked (no scale). Achenia spiked on the torus, ovate, pointed with the 

 persistent style. Herbs with dissected leaves, and bright, showy flowers. 



1 A. VERNALIS. Fls. cup-shaped, yellow, of 10 12 oblong petals, u Eur. 610'. May. 



2 A. AUTUMNALIS. Fls. globular, red, of 58 concave petals. Eur. If. Aug., Sept. 



7. RANUNCULUS, L. CROWFOOT. BUTTERCUPS. Sepals 5, ovate. 

 Pet. 5 10, roundish, shining, each with a honey-scale (Fig. 39) or pore at 

 the base inside. Ach. flattened, pointed, crowded in a head. if. @ Leaves 

 alternate. Flowers generally yellow. Figs. 39, 83, 84, 109, 118, 159, 212, 

 234, 415, 416. 



BATRACHIUM. Petals white, with a yellow, naked honey-pore on the claw. Seeds (ache- 



nia) transversely wrinkled. Leaves multifld, in water No. 1 



RANUNCCXUS. Petals (yellow) with a honey-scale on the claw of each. . .(*) 



* Achenia rough with points or prickles. Leaves palmate-parted. Nos. 18, 19 



* Achenia smooth, x numerous, in an oblong head. Wet places Nos. 7 i> 



x many, in a rounded head. . .(a) 



a Leaves many-cleft, in thread-like segments, under water No. 2 



a Leaves all undivided, entire or toothed. In wet places Nos. 3 (i 



a Lvs., at least the lowest ones, undivided, merely lobed or crenate...Nos. 10 12 

 a Leaves all deeply divided, the lower y pinnately with stalked Ifts . .Nos. 1315 



V palmately with sessile Ifts... Nos. 16, 17 

 Exotic, cultivated Nos. 20, 21 



1 R. a qua til is L. /3. tricliophyllu* Chaix. Wldte Water- C. Leaves all filiformly 



dissected and submersed, u In slow streams. July, Aug. (R. divaricatus Schrank.) 

 y. hrtfrophi/lliis DC. Upper leaves floating, 3-5-lobed. Near Boston (Bigelow, 

 now lost). In Idaho (Walker). Submersed leaves as in |3. 



2 R. multifidus Ph. Yellow Water-C. Floating or creeping: some of the leaves 



emersed, reniform, 3-5-parted, and cleft. Sepals reflexed ; carpels with a straight 

 beak, heads globous. Ponds and muddy shores, 1 2 3f. Petals 58. May, June. 



3 R. Flammula L. Spearwort. Stem erect from an ascending base ; Ivs. alliance- 



shaped, on sheathing petioles ; ach. roundish, twice longer than its beak. Can. to 

 Car., W. to Oreg. 816'. Lvs. 36'. Fls. showy. Sum. (R. alismaefolius Geyer.) 



4 R. reptans L. Stem creeping, geniculate, rooting, filiform ; nodes 1-flowered ; Ivs. 



linear or oblong ; pet. 510, bright. N. Eng. to Oreg. Delicate. Fls. 4". Lvs. 1'. Jl. 



5 R. pusillus Poir. Erect; Ivs. all petiolate, lower ovate, upper lance-linear; pet. 



3 (15) short ; stam. 810 ; carp, scarcely pointed. N. Y. to Qa.. and La. 612'. May 



6 R. oblongifolius Ell. Erect, diffuse ; Ivs. lance-ovate and lanceolate, all stalked 



pet. 5, stam. 20 ; carp, pointless. Ili. to Tex. June 2f. (R. Texensis Eng.) 



