22 liANUNCL'LACE.'E. Kanunculus. 



& B. aquatilis, \aT. trichophi/llus. Gray, Man. ed. 5,40. — In ponds, and especially iu slow- 

 flowing streams, almost everywhere. (Ku., Asia.) 



-»— -f— Carpel-receptacle glabrou.s : uo submersed dissected leaves : ])etals about 3-ucrved, 

 narrow. 



R. hederAceus, L. 1. c. Rooting freely on muddy banks or in shallow water : leaves all 

 reniform, angulate-lobed : peduncles uot surpassing the petiole : flowers small, with few and 

 small aiienes. — FI. Dan. t. 321 ; Eug. Bot. t. 2003 ; Reicheub. Ic. Fl. Germ. iii. t. 2. —In 

 fresh water marshes at Norfolk, V'irginia, Afuir.^ (Nat. from Eu.) 



* * Styles long and filiform, with small terminal stigma : petals deciduous. 



R. Lobbii, Guay. Submersed leaves either none or few and of few divisions: cmersed 

 small (at most half inch broad), divergently 3-parted into oval or oblong and entire or 

 L-2-notclied lobes : stamens .5 to 10: carpels not more numerous ; styles about thrice the 

 length of the ovary, of equal width from base to apex, only the ba.se persisting on the 

 oblong obliquely rugose akenes, these mostly enclosed in the marcesceut-persistent petals : 

 receptacle small, wholly glabrous. — Proc. Am. Acad. xxi. 364. R. hydrocharis, forma 

 Lobbii, Hiern in Seem. Journ. Bot. ix. 66, t. 114 (as sub-species), at least as to Bigelow's 

 plant, and probably as to that of Lobb from Oregon. R. Itederaceiis, var., Torr. Pacif. R. 

 Rep. iv. 62. R. ac/uatilis, \a.v. Lobbti, Wats. Bibl. Index, 17. R. hedemceus, var. Lobbii, 

 Lawson, Rev. Canad. Raimuc. 44, partly. — In water. California, Corte Madera, Marin Co. ; 

 near Bay of Sau Francisco, Bigelow; Tomales Bay, Greene; Oregon, Lobb, in herb. Kew. 



§ 2. PsEUDAPiiANOSTEMMA, Gray. Petals and petaloid (white tardily decid- 

 uous) sepals of § Aphanostemyna, with carpels and habit of § Oxygraphis : viz. 

 the former inane, reduced to a minute fleshy-thickened lamina or nectary on a 

 slender claw ; the latter lanceolate, acuminate, compressed, membranaceous and 

 utricular, obscurely one-nerved on the sides, the cell much longer than the seed. 

 — Proc. Am. Acad. xxi. 365. Kumlienia, Greene, Bull. Calif. Acad. Sci. i. 337. 



R. hystriculus, Gray. Low and glabrous perennial with fascicled roots : leaves mainly 

 radical, long-petioled, orbicular-xeniform, 5-7-lobed and coar.sely crenate-dentate : scapes a 

 span or two high, naked or one-leaved below and one-flowered, sometimes with a small leaf 

 above and a second flower: sepals 5 or 6, oval, quarter to half inch long: carpels numerous 

 in a globose and squarrose head when mature, sparsely pubescent, lanceolate and gradually 

 attenuate into the persistent style (together about 3 lines long) ; the oval seed supra-ba,sal. 

 — Proc. Am. Acad. vii. 328 ; Brew. & Wats. Bot. Calif, i. 6. Kumlienia hijstricula, Greene, 

 1. c. — Moist ground, western side of the Sierra Nevada, at .5,000 feet, Yosemite to Butte 

 Co., Boliinder,. Brerver, Mrs. AustiJi, Rattan, &c. 



§ 3, Crtmodes (i. e, glacialis). Gray. Petals rose-color or white (ample, 

 nectariferous and with imperfect scale), and with the sepals marcesceut-per- 

 sistent: carpels utricular: seed oblong: showy flowered low perennials, with 

 fibrose-fasciculate roots, arctic or alpine, with the notable exception of the follow- 

 ing, glabrous at least up to the sepals. — Proc. Am. Acad. xxi. 365. 



R. Andersonii, Gray. A span or two high : leaves chiefly radical, 2-3-ternately or 

 pedately divided or parted ; lobes thickish, lanceolate to linear: scape one-leaved or naked, 

 1-2-flowered : sepals glabrous: petals rose-color or pink, orliicular or flabellate-obovate witli 

 narrow claw, half inch long : mature carpels wholly utricular and membranous-walled but 

 compressed, obovate-orbicular and oblique, 3 lines long, the cell of the whole width except ;i 

 very narrow scarious margin, abruptly apicnlate with very .short style. — Proc. Am. Acad, 

 vii. 327 ; Wats. Bot. King Exp. 6, t. 1 ; Brew. & Wats. Bot. Calif. 1. 6, with a slender form, 

 var. tenellus, Wats.^ — Eastern part of Sierra Nevada, California and Nevada, Anderson, 



1 Also collected in Dismal Swamp, Va., Ckickering, and in Newfoundland, at New Harbor, ^Vac/- 

 home, Bona Vista Bay, Oshnrn, and Quiddy Viddy Lake, Robinson & Schrenh. fiatrachium hede- 

 raceum, S. F. Gray, Brit. PI. ii. 72, is a synonjin. 



2 Add syn. Oxygraphis Andersoni, Freyn, Flora, Ixx. 140. 



