ORDER 1. RANUNCULACE.E. 19 



3 T. purpurascens 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; achenia sessile, as long as their stigmas. Hilly woods. June, July. 



4 T. clavatum DC. Slender (1 2f) ; Ivs "etiolate, biternate, Ifte. obtusely lobed ; 



ach. curved, 510, short-pointed, loug-stipev Mta., N. Car. to Ala. White. July. 



5. TRAUTVETTERIA, Fisch. & Me>er. 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. It Leaves palmately 

 lobed, alternate. Flowers corymbous, white. 



T. palmata F. & M. Prairies and woods. Can. to Va., W. to the Cascade Mts. ! 

 3 5f. Kadical 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. VKRNALIS. Fls. cup-shaped, yellow, of 10 12 oblong petals. 2J Eur. 610'. May. 



2 A. AUTUMNALIS. Fls. globular, red, of 5 S 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 (J) 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 



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



* Acheuia rough with points or prickles. Leaves palmate-parted. (T) Nos. 18, 19 



* Achenia smooth,:? numerous, in an oblong head. Wet places Nos. 7 V 



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 6 



a Lvs., at least the lowest ones, undivided, merely lobed or crenate...Nos. 1012 

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



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

 Exotic, cultivated Nos. 20, 21 



1 R. aqua til IM L. /3. trichophyllu* Chaix. White Water-C. Leaves all filiformly 



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

 y. heterophfillus DC. Upper leaves floating, 3-5-lobed. Near Boston (Bigelow, 

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



2 R. multilidus 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. all lance- 



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 Ga.. and La. 6 12'. May 



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



pet. 5, stam. 20 ; carp, pointless. 111. to Tex. June 2f. (R. Texensie Eng.) 



