426 ADDITIONS AND CORRECTIONS TO VOL. I. 



6. R. alismsefolius, Geyer. The range of this species is from the Piocky i\ruuii- 

 tains westwiuil. I'he allied eastern species is distinguished as Ji. ambitjens, Watson. 



10. R. glaberrimus, Hook. Extends to Washington Territory and Wyoming. 



Group * * * inchules the following species. 



-1- Leaves tematelij or phmatelij divided. 



11*. R. multifidus, Pursh. Steins floating or immersed, with ternately decom- 

 pound leaves, the divisions long ami iiliforin, or rooting in the mud and the leaves 

 round-reniform and more or less deeply lobetl and toothed ; the terrestrial form often 

 somewhat villous : petioles short, broadly stipulate-dilated at base : llowers large, 

 bright yellow, the 5 to 8 petals with cons[)icuous obovate scales : akenes in a rather 

 small globose he;id, beaked by a short straight style. — K. Purshii, Richards. ; Hook. 

 El. Bor.-Am. i. 15, t. 7. 



Indian Valley, Plumas County {Mrs. R. M. Aitslin), and at Camp Bidwell, Modoc County, 

 Dr. Malthcws. Arctic America to Utali, Colorado and the Northern States, and in Siberia. 



IP. R. orthorhynchus, Hook. !More or less villous, the stems often slender, 

 1 or 2 feet high, from a tiiick-librous root: leaves pinnately divitled, the divisions 

 variously lobed and cut, the segments often narrow : sepals rellexed ; petals 3 to 8 

 lines long, bright yellow or purple-tinged outside : akenes large, tlattened, in a close 

 globose head, witii a slender straight beak as long as the body. — El. IJor.-Am. i. 

 21, t. 9. 



I'hnnas County (.l//vf. Austin); Si.skiyou County {Greene), and iiortliwurd to IJiitish Columbia. 



12. R. Californicus, r.enth., and var. canilS, Brewer. Erom 8au Diego to 

 Marin C(junty. 



13. R. repens, Linn., and U. R. macranthus, Sdujele. 



•4- -t- Leaves (at least tJie lower) only lobed. 



15. R. Nelsoni, Gray, and var. tenellus, Gray. Lt^aves more or less deeply 

 3- (or rarely o-) lobed, the upj)ermi)st rarely [»arted, the lower usually cordate in out- 

 line. — A'. Eisenii, Kellogg, Proc. Calif. Acad. vii. 115, the leaves cuneate at base. 



From San Diego to Alaska, the more slender form cliielly in California. 



15*. R. Bloomeri. Stout, glabrous or somewhat villous : leaves on long peti- 

 oles broadly Hti[iulate-dilateil below, mostly broadly ovate with cordate or truncate 

 base, slightly 3-5-lobed or the upper somewhat deeply so, crenate-toothed : flowers 

 large ; sepals rellexed ; petals 6 or 7 lines long, with a broad transverse scale at base : 

 ovaries in a depres.sed globose head, beaked by a stout straight style. 



In wet grounds near San Francisco, Dr. J. G. Bloomer. The siieciniens are imperfect and not 

 yet in fruit, but indicate a very distinct species. 



15^ R. sceleratUS, Linn. Glabrous: stems often stout and hollow, from a 

 fibrous root, \ to 2 feet high: lower leaves round-reniform, deeply 3-5-lobetl, the 

 lobes obtusely toothed above ; upper leaves nearly sessile, more deeply and narrowly 

 cut : petals scarcely exceeding the spreading sepals : akenes numerous, very small, in 

 an oblong-ovate or cylindrical head, mucronate. 



In Surpiise Valley, Modoc County, Dr. Matthews. Probably introduced. 



10. R. hebecarpus, Hook. Sc Arn. Guadalupe Island, Palmer. The variety 

 pusdUis shiiuld be credited to Prof W. H. Brewer. 



Page 9. 6. CALTHA. 



1. C. leptosepala, DC Leaves round- to oblong-ovate (longer than broad), 

 with a somewhat narrowed and quadrate base, usually very obscurely crenate above 

 and rather coar.sfdy and often acutely serrate below : flowers 1, very rarely 2, whitt> 



