ORDER 1. RANUNCLi^ACE^E. 19 



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



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 "etiolate, biteruate, Ifts. obtusely lobed ; 



ach. curved, 510, short-pointed, long-stipev Mts., 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- 

 fl.iled, angular, tipped with the short hooked style. U Leaves palmately 

 lobed, alternate. Flowers coryinbous, white. 



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

 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. VKRNALIS. Fls. cup-shaped, yellow, of 10 12 oblong petals, n Eur. 610'. May. 



2 A. AUTUMNALIS. Fls. globular, red, of 5 8 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. U @ 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- 

 ma) transversely wrinkled. Leaves mnltifld, in water No. 1 



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



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



Achenia smooth, x numerous, in an oblong head. Wet places Nos. ~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- -ti 



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

 a Leaves all deeply divided, the .-c/wer y pinnately with stalked Ifts. .Nos. 1315 



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

 Exotic, cultivated Nos. 20, 21 



1 R. aquatllls L. p. tricliophyUv* Chaix. White Water- C. Leaves all flliformly 



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

 y. heterophfillug DC. Upper leaves floating, 3-5-lobed. Near Boston (Bigelovv, 

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



2 R. miiltifidus 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 

 Cur., W. to Oreg. 816'. Lvs. 36'. Fls. showy. Sum. (R. alisrasefoliue Gcyer.) 



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 

 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. 612'. May 

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



pet. 5, stam. 20 ; carp, pointless. 111. to Tex. June 2f. (R. Texensis En?.) 



