7.| 



California Art & Nature. 



75 



Receptacle in fruit oblong or linear, 

 2-8'^ long; akenes long-beaked: less 

 than 2' high. Utah; Chili; mesas, s. 

 Genus RANLNCULUS Linnaeus. 



Crowfoot: sepah usually 5; petals 3-15, 



roots, terrestial: stems short, erect or 

 assuro:ent, not rooting from nodes above 

 ground; mature akenes turgid, and with 

 introrsely apical or subapical rather 

 subulate beak. 



eac I with a small scale or pit at the base RANUNCULUS ALISMAEFOLIUS Gyr. 

 inside; pistils numerous; akenes in a Idaho-Ca^ R. bolanderiGeCa acb 2:58 fide G 

 •head, usually flattened, beaked with the t Heads of carpels in fruit oblong of 

 persistent style. Herbs, mostly peren- cylindraceous; akenes more turgid, 

 ni il, of somewhat varied habit; fl either rounded, or at least obtuse on the back, 

 solitary or somewhat crymbed. 



§1. — Batrachium. 

 RANUNCULUS AQUATILIS Linn. 



Submerged, finely divided leaves. 



The Feftioii Batrachium is treated as a genus 

 by Da i- in • imi bot studies 46", the 2 follow- 

 in ; varieties being referred to B trJLhophyllum 

 Bossch prod fl boi 5. 

 Var. TRI -HOPHYLLUS Chaix. 



Stems long, coarsely filiform: pedun- 

 cles 1-2^ long: fl 3-5^'' in ciameter: akenes 

 numerous in a close globular head, which 

 is 2-3^' in diameter, b-i. 

 Var. C^SPITOSUS DC. 



Stems short, growing in mud: seg- 

 ments of leaves ligulate, \" or more 

 long: fl 2-3^^ in diameter, j 



§ 2 — Halodes. Gray. Like § 3, bu- 

 mature carpels thin-walled and utricu- 

 lar, the sides nervose: scapose and flag- 

 elliferous. 

 RANUNCULUS CYMBALARIA Pursh. 



Greenland, Asia, North and bouth 

 America. 



§ 3 EuRANUNCULUs Gray. 



RANUNCULUS BSCHSCHOLTZII Schl. 



t t Petals only 5; styles uncinate, re- 

 curved, shorter than the ovary, broad 

 and flat. 



RANUNCULUS CANUS Benth. 

 b mts. (Parish 1542). 



X Lax or weak stemmed, petals 6-15: 



herbage hirsute or pubescent. 

 RANUNCULUS CALIFORNICUS Benth. 



Erect or nearly so, 12-18 in. high, more or less 

 T'ilo^e : radicalleaves commonly pinuately ter- 

 nate, leaflets laciniately 3^7 lobed: lis 5-10 lines 

 lu diam. with 10-14 narrowly obovate petals, & 

 shorter rcflexed sepals: akenes much flattened, 

 with fharp edges, uearly a Hues long; beak short 

 A curved : heads compact, ovate or globular. 



This Ci.lifornian buttercup is the most abnn- 

 dantspeciesof the gei.us in the state, 'where 

 low gra-!-y hills are often y How wiih the shin- 

 ing lis in early spring.' Cuyamaca mountains. 



Var. LATILOBUS Gray. 



The common, coarse-leaved, more 

 robust fotm. 

 RANUKCULUS HEBECAKPUS Hook. &Arn. 



Sleudcr,3-18 in. high, erect or procumbent: 

 lower leaves teruate or 3-partef', leaflets euneate 

 at base & 2-3-lobed, upper ones more divided : 

 akenes few, papillose-scabrous, with hooked 

 hairs: fls minute, petals 5, aline or less long. 



Petals (with nectariferous pit andscale, var. FUSILLUS s. Wats., Hot Calif, i, 9. 1830 



usually yellow) and sepals deciduous, 

 the sides nerveless, not transversely 

 rugose. 



*Perennial by rooting from the nodes 

 of cieeping cr the lower nodes of ascen- 

 tiing stems, wholly fibrous rooted. 

 RANUNCULUS HYDROCHAROIDES G. 



Soutliern California east of the Sierra 

 (Kellogg), z 

 R. Flammula L. 

 Var. Reptans E. Meyer,. 



Southern California (Parish 996). 

 * * Thickened-fibrous and fascicled 



'Stems verv slender < r lilitbrm, weak* ascend- 

 ing or procuinbeut, .3-6 in. long: leaves reniform 

 crenatel.- 5-lobed or parted.'— Watson. 

 K BONGAKDi Ge Erythea3:S4 

 Var douglasii Davis Or d— reported by Rose. 

 Genus ACTAEA liinnaens, 



'Baneberry. Sepals 4-6, nearly equal, petal- 

 like, frtl ing off early. Petals 4-10, small: Sta- 

 mens numerous. -Pistils single; stigma sessile, 

 2 1ooed. Fruit a many-seeded berry. Seeds 

 smooth, flattened, packed horizontally in 2 rows- 

 Perennial herbs, with 2-3-ternalely compound 

 leaves. Root usually tuberous or thickened. 

 Fis. in a terminal short raceme. Species per- 

 haps 2, belonging to the cooler regions of the 

 N lUuin Ikmisphcre.'— Wats. Bot. Calif, i, 12. 



