BORAGE FAMILY 369 



21. A. acanthocarpa Piper. Adobe Allocakya. Stems few or several from 

 the base, simple, 4 to 12 inches high ; herbage appressed-hispidulose ; leaves linear, 

 Vi to % (or 11/4 ) inches long ; racemes interrupted, elongated ; calyx tawny-hirsute ; 

 corolla 1/2 to 1 line broad; nutlets ovate, acute ; dorsal side of nutlets reticulate with 

 thin and often high ridges, the ridges and the keel bearing spreading minutely 

 barbed spines, the areolae 1 to 8-tuberculate ; ventral side of nutlets keeled from 

 the apex to the pit-like scar, and bearing either side the unarmed naked keel a 

 series of smooth unarmed transverse rugae. 



Moist clay or black-adobe flats, less commonly in beds of former winter pools, 

 5 to 2000 feet : lower Sacramento Valley ; South Coast Ranges, mostly towards the 

 interior, from Contra Costa Co. to Monterey Co. and western Fresno Co. ; San 

 Joaquin Valley; Sierra Nevada foothills from Mariposa Co. to Kern Co. ; Tehaehapi 

 Mts. ; San Diego Co. and adjacent Lower California. Apr.-May. 



Locs. — Lower Sacramento Valley: Montezuma Hills, Solano Co., Jepson 21,175. South Coast 

 Ranges: Mt. Diablo, Bowerman 1761; Corral Hollow, w. San Joaquin Co., /. T. Howell 10,885; 

 Panoche Pass (w. side), Hoover 3002; Tres Pifios, San Benito Co., Jepson 16,119; Jolon, (2 mi. 

 e.), Monterey Co., Ferris 8439; Alcalde, sw. Fresno Co., T. Brandegee. San Joaquin Valley: 

 Byron, e. Contra Costa Co., Greene; Oakdale (7 mi. se.), Jepson 18,102; El Nido (n. of, near 

 Deadman's Creek), Merced Co., Jepson 17,482; Daulton, Madera Co., Hoover 3454; Hildreth 

 Creek (near), 5^2 mi. w. of Little Table Mt., Madera Co., Jepson 15,154; Mendota (6 mi. s.), 

 w. Fresno Co., Jepson 16,937; Goshen, Tulare Co., E. Brandegee. Sierra Nevada foothills: near 

 La Grange, Stanislaus Co., Hoover 1721 ; Lewis, Mariposa Co., Congdon ; Success, Tulare Co., Keck 

 ir Clausen 3206 ; Poso Creek, Greenhorn foothills, Kern Co., C. N. Smith; Caliente, Kern Co. San 

 Diego Co.: San Marcos, Cleveland ; San Diego, Jepson 6069. 



Var. oligochaeta (Piper) Jepson. Spines of nutlets reduced, few, sparsely or not at all 

 barbed, or sometimes obsolete. — San Joaquin Valley: Antioch, Davy 913; Waterford, Stanislaus 

 Co., Hoover 793; Visalia (4 mi. n.), Hoover 919. Eastern San Luis Obispo Co.: Carrizo plain, 

 Condit. 



Rcfs.^ALLOCARYA ACAKTHOCAEPA Piper, Contrib. U. S. Nat. Herb. 22:87 (1920), type loc. 

 Caliente, Kern Co., T. Brandegee ; Jepson, Man. 853 (1925). Echinoglochin acanthocarpa Brand; 

 Fedde, Repert. Sp. Nov. 21:253 (1925). PlagiobotJirys acanthocarpus Jtn., Contrib. Am. Arb. 

 3:33 (1932). A. echinacea Piper, I.e. 22:88 (1920), type loc. University Heights, San Diego, 

 T. Brandegee 825. Echinoglochin echinacea Brand, I.e. A. acanthocarpa var. echinacea Jepson, 

 Man. 853 (1925). A. eastwoodae Piper, I.e. 22:89 (1920), type loc. Guernsey, Kings Co., East- 

 wood 3896. Echinoglochin eastwoodae Brand, I.e. Var. oligochaeta Jepson, Man. 854 (1925). 

 A. oligochaeta Piper, I.e. 22:88 (1920), type loc. San Joaquin Valley, Greene. Echinoglochin 

 oligochaeta Brand, I.e. A. spiculifera Pipor, I.e. 22:90 (1920), type loc. betw. Earlimart and 

 Delano, Tulare Co., Eastwood 3939 in part ; Jepson, Man. 853 (1925). Glyptocaryopsis spiculifera 

 Brand; Engler, Pflzr. 4-5-:104 (1931). A. anaglyptica Piper, I.e., type loc. betw. Earlimart and 

 Delano, Tulare Co., Eastwood 3939 in part. Glyptocaryopsis anaglyptica Brand, I.e. A. papillata 

 Piper, I.e. 22:91 (1920), type loc. Delano, Kern Co., Eastwood 3965. Glyptocaryopsis papillata 

 Brand, I.e. Plagiobothrys acanthocarpus f. papillatns Jtn., I.e. 35. (f) A. microcarpa Piper, 

 I.e., type loc. Mariposa, Congdon 48. Plagiobothrys piperi Jtn., Contrib. Gray Herb. 68:75 

 (1923), new name for the preceding. Glyptocaryopsis microcarpa Brand, I.e. 105. 



16. ECHIDIOCARYA Gray 



Annual herbs with alternate leaves, the lowest ones opposite. Flowers in ra- 

 cemes. Nutlets incurved, rugulose-reticulate dorsally ; scar elevated on a conspicu- 

 ous stout cylindric process or stipe. Ventral keel prominent, continuous downward 

 and joined to the base of the stipe. — Species 3, North and South America. (Greek 

 echidion, a diminutive viper, and carua, nutlet, the stipe suggestive of the head and 

 neck of a snake.) 



1. E. californica Gray. Stems several to many from the base, diffuse or pros- 

 trate, mostly slender, often very leafy, 5 to 15 inches long, flowering from near the 

 base ; herbage hispid or hirsute ; leaf -blades oblong-ovate to linear, 1/4 to 1% inches 

 long ; racemes spike-like, bractless, or sometimes interruptedly bracteate, in age the 

 flowers remote; corolla 1 to 3 lines wide ; nutlets usually 4, ovate, % line long, keeled 

 towards apex dorsally, the rugae sometimes delicate, sometimes thin and sharp, and 

 often muriculate or tuberculate ; ventral keel high and thin. 



