



CATALOGUE OF SPECIES. 109 



dition at RiversideMouutain, on the Colorado River, in the northeastern comer of San 

 Diego County, California, January 25, 1858, and wan called in that report M. lasricaul'w. 

 These two species, together with3f. hirsutissimaot' Watson, 1 which came from Angels 

 Island, Gulf of California, form a group easily recognized by all their filaments, 

 except the innermost, being broadly expanded above and continued at each side, from 

 a few millimeters below the anther, into a alender prolongation. 



Eucnide urens (Gray) Proc. Amor. Acad. x. 71 (1874), under MentzeHa — Parry 

 inherb.; Parry, Amer. Nat. ix. lit (1875). Type locality, "rocky ravines of the Colo- 

 rado near the confluence of Williams River," and "near St. George, Southern Utah." 



This plant was first seen in a small ravine west of Lone Willow Tanks, and after- 

 ward at many points, as follows: on the south slope of Browns Peak; on Lone Wil- 

 low Peak; in Long Valley; in a canon of the Funeral Mountains, opposite Bennett 

 Wells; in Furnace Creek Canon ; near Saratoga Springs; at Resting Springs; in the 

 canon of Mesquite Spring, Funeral Mountains; in Furnace Creek Canon; between 

 Ash Meadows and Pahruinp; in Vegas Valley, Nevada; in Johnson, Surprise, and 

 Hall canons, Panamint Mountains; in a canon of the Inyo Mountains, near Swansea; 

 ami on a cliff at Rose Spring. Owens Valley (No. 1005). The speeieB is a character- 

 istie canon plant, never growing on the open mesa, and never above the Lower Sono- 

 ran zone. It is a snffrutescent perennial, with large, handsome, pale yellow flowers, 

 and covered with prickly barbellate hairs. Hitherto it has been considered rare west 

 of the Colorado River, but in the northern Mohave Desert region it is common. 



CUCURBITACEiE. 



Cucurbita foetidissima H, B. K. Nov. Gen. it Sp. ii. 123 (1817). Type locality. 

 " prope Gnanaxuato Mexieanorum, altit. 1080 hoxap." 



This plant, the Cucurbita pcminiis of most American authors, was found in the San 

 Bernardino Valley. 



Cucurbita palraata Wats. Proc. Amer. Acad. xi. 1,'57 (1876). Type locality. " &ui 

 Diego County [California]: collected in Cajon Valley, and at Larken's Station 

 near the Jaeumba Mountains." 



In Furnace Creek Canon (No. 300), and near Indian Wells (No. 1011). 



"Micrampelis macrocarpa Greene, Bull. Cal. Acad. i. 188 (1885), under Echino- 

 cy&ti-s: Greene, Pittonia, ii. 120(1800). Type locality not given; range, "from perhaps 

 Santa Barbara [California], or a little farther northward, down the peninsula as far, 

 at least, as Cedros Island." 



In the Canada de las Uvas (No. 1213). 



DATISCACE52. 



Datisca glomerata (Presl) Rol. Haenk. ii. 88 (1835), under Triccmstcft ; Brew. & 

 Wats. Pot. Cal. i. 242 (1876). Type locality, "in parte oceidentali Mexici et in 

 California ad Monto-Rey." 



Valley of the Kaweah River (No. 1336). 



CACTACEiE. 



Mamillaria deserti Engelru. Bet. Cal. ii. 140(1880). Type locality, "at Ivan- 

 pah, 30 [about 140!] miles northeast of San liernardino, in one of the mountain 

 ranges stretching into the desert.'* 



This little-known cactus was seen on the western slope of the Charleston Moun- 

 tains, on the roads both to Clark's sawmill (No. 320) and to Mountain Springs I'ass; 

 on the eastern slope of the same pass (Nos. 382. 383) : and 30 kilometers cast of Pannca 



J Proc. Amer. Acad, xii, 252 (1877). 



