252 



GENUS ATRIPLEX. 



San Benito County, April 14, 1897, Setchell (UC); type collection. May 31, 1862, Brewer 

 1190 (Gr, NY) ; Marsh Creek, Contra Costa County, May, 1884, Greene (UC) ; 6 km. west 

 of Byron, Contra Costa County, Hall 11801 (UC); Lagoon Valley, Solano County, Sep- 

 tember, 1891, Jepson (Herb. Jepson, type of A. spicata lagunita Jepson, minor variation 

 22); Maine Prairie, Solano County, July 5, 1891, Jepson (UC); near Dunnigan, Yolo 

 County, Stinchfield 357 (DS); near Williams, Colusa County, Heller 12394 (DS, SF); rice 

 fields near Willows, Glenn County, August 9, 1921, Kennedy (UC); west of Norman, 

 Glenn County, Hall 11009 (UC). 



FiQ. 31. — Alriplex patula obtusa and A. p. alaskensis. ato e, A. p. oblusa from the region of Humboldt Bay, California (146161 

 and 162361 UC); o. b, c, leaves; d, e, fruiting bracts. / to h, A. p. alaskensis from the type collection (Gr): 

 /, twig; g, h, fruiting bracts. All leaves and twigs X 1; bracts X 2. 



2/. Atriplex patula obtusa (Chamisso). — Plant usually erect, with widely spreading 

 upcurved branches, simple-stemmed in reduced forms; leaves long and narrow, short- 

 petioled; blade lanceolate to linear, attenuate to the base (the lower obtuse at apex, hence 

 the name), entire or crenulate, occasionally with 1 or 2 short ascending lobes from below 

 the middle; glomerules in short dense paniculate spikes and in the upper axils; fruiting 

 bracts broadly ovate or rhomboidal, 4 to 12 mm. long, rounded to the base, the margins 

 entire, the face smooth or rarely with a few minute appendages (fig. 31, a to e). (A. 

 angustifolia var. obtusa Chamisso, Linnaea 6:569, 1831.) Pacific Coast from northern 

 Alaska to middle California. Type locality, Eschscholtz Bay, Kotzebue Sound, Alaska. 

 Collections: Fort St. Michaels, Norton Sound, Alaska, 1865-66, Bannister (Gr); near Kar- 

 luk Village, Alaska, abundant on sandy and muddy beach near high-tide line, August, 

 1902, Home (NY) ; Halibut Cove, Cook Inlet, Alaska, Coville and Kearney 2451 (US, 

 type of A. drymarioides Standley, minor variation 5); Loring, southwestern Alaska, 

 Howell 1655 (UC); San Juan Harbor, Vancouver Island, Rosendahl 2060 (Gr, NY); 

 Shoalwater Bay, Washington, August 17, 1907, McGregor (DS); California: near mouth 

 of Mad River Slough, Humboldt County, not common, Tracy 3555 (Gr, UC, US) ; mouth 

 of Elk River, Humboldt County, Tracy 2393 (UC) ; West Oakland, September 23, 1897, 

 Davy (UC) ; Fitchburg, Alameda County, November 13, 1899, Nott (UC). 



2g. Atriplkx patula zosteraefolia (Hooker). — Plant ascending, the branches 

 mostly ascending but weak and slender, some decumbent; leaves 2 to 4 cm. long, or the 

 lower probably much longer, petioled; blade linear, narrow at base, not hastate, entire; 



