BUCKWHEAT FAMILY 395 



12. C. parryi Wats. Stems seveiMl IVmu the base, spreading liorizoutally 

 and repeatedly forking, forming low Hat-toitpetl plants 3 to 15 inches broad, 

 the involucres clustered at the ends of the branchlets; leaves oblong, narrowed 

 to a short petiole, 4 to 9 lines long; involucres 1 line long, cylindrie but some- 

 what contracted below the spreading teeth, the tube acutel.y 6-angled; teeth 

 uncinate, 3 large alternating with 3 small ; calyx white, its segments erosu- 

 late, the inner half as large as the outer; stamens 9. 



Sandy or gravelly plains, San Bernardino Valley. 



Loes. — Lugonia, Parish; West Riverside, Hall; San Bernanlino, Parish 3674, Jepson 55'2S; 

 Reiilands, Jepson 5.537 ; Colton, Cleveland. 



Refs. — Chobizanthe parryi Wats. Proe. Am. Aeacl. 12: 271 (1877), type loc. Crofton, 

 Parry. C. fernandina Wats. Bot. Cal. 2: 481 (1880), type loc. San Fernando Canon, Los 

 Angeles Co., Mrs. A. E. Bush; awns of the involuere, or some of them, straight; calyx-lobes 

 nearly eqnal, the alternate narrower. 



13. C. procumbens Nutt. Stems procumbent, several from the base, elon- 

 gated and spiiriiigly branched, 3 to 13 inches long, the involucres in small 

 clusters along and towards the ends of the branchlets; herbage soft-pubescent; 

 leaves spatulate or oblanceolate, in a basal tuft and at the lower nodes; bracts 

 lanceolate ; involucres 6-ribbed, with mostly 6 equal spreading teeth, or the 3 

 alternate shorter; calyx yellow, the inner lobes much smaller than the outer. 



Southern California in the coastal region. 



Tjocs. — Point Loma, San Diego, K. Brandeiiec : Elninore, MeClatchie 49; Witch Cn'i'k, .11- 

 derson ; Palomar, Jepson 1557, Hall 198.3; San Bernardino, Parish 3663. 



Ref. — Chorizaxthe procumbens Nutt. in Jour. Acad. Phila. ser. 2, 1: 167 (1S47), type 

 loc. San Uiego, Nuttiill. 



li. C. uniaristata T. & G. Stems prostrate, 2 to 6 inches long, with a short 

 soft pubescence ; leaves broadly spatulate, the bracts oblanceolate and cuspi- 

 date or nearly acicular towards ends of branches ; involucres numerous and 

 rather loosely c.ymose on the branches or sometimes densely clustered, cylin- 

 dric-urnshaped, 6-ribbed, liA to 2 lines long; involucral teeth awned, one awn 

 long and straight, the others very short and hooked ; flowers cream-eolor ; outer 

 calyx-lobes obovate, entire, the inner half as long, oblong, creuate; stamens 

 6 or 9. 



]\It. Diablo and through the South Coast Ranges to San Luis Obispo Co., 

 thence east to the Sierra Nevada in Kern Co. 



Loes. — Jolon, K. Brandegee; Estrella, Jared; Havilah, Kern Co., K. Branilri/er ; Walker 

 Basin, Coville. 



Refs. — Chorizanthe uniaristata T. & G. Proc. \m. Acad. 8: 195 (1870), tvpe loc. New 

 Idria, Brewer: .lepson, Fl. W. Mid. Cal. 151 (1901). 



15. C. clevelandii Parry. Stems prostrate, branched from the base, 4 to 10 

 inches long; herbage hairy pubescent; basal leaves ovate-spatulate, cauline 

 leaves narrow and pungent; involucre 6-ribbed, with uneciual divergent un- 

 cinate teeth ; outer calyx-lobes broadly oblong, truncate, erosulate or denticu- 

 late, the inner about half as long as the outer ; stamens 3. 



Region of Clear Lake. Closely allied to C. uniaristata. 



Loes. — Mt. Hanna, Jepson; Kelsey, K. Brandegee; Mt. Konocti, Jepson; Grizzly Canon, 

 E. Brandegee; Scotts Valley, Tracy 1740; Eel River, Purpn^-i 1245. 



Refs. — C'HORIZANTHE CLEVELANDII Parry, Proe. Davcnp. Acad. 4: 62 (1S84), type loc. 

 Allen's Sprs., Lake Co., D. Cleveland; Jepson, Fl. W. Mid. Cal. 151 (1901). 



16. C. spinosa Wats. Stems several from the base, prostrate, forming a 

 loose spiny iiial <S 1o 16 inches broad; herbage jiuberulent; basal leaves oval or 

 obovate, narrowed to a petiole with a broad or clasping base; bracts lanceolate, 

 setaceous, conspicuous, their axils bearing clusters of 3 or 4 involucres; invo- 

 lucres short-cylindric. 4 or 5-costate, the teeth very unequal, usually with 1 

 long tooth, 1 or 2 minute ones and 1 or 2 of intermediate size, all straight- 

 awned; flowers 2 or 3, pedicelled, usually only 1 developed; calyx white, the 3 



