Euphorbia Lanj.

I
EUPHORBIACEAE
11675 CHAMAESYCE SPELLENBERGIANA
M. Mayfield (sp. nov., ined.)
Coll: R. Spellenberg
25 Oct 1992
MEXICO, CHIHUAHUA, Mcpio. Ocampo, Parque
Nacional "Cascada de Basaseachic," 108°12' 30"W, 28°11'N,
along the road to the Divisadero overlook on the S side of the
park, just below the Divisadero, at a drying temporary pond near
hotel, moist pale gray igneous nearly dry mud. Heavily
cattle-trampled area. With Eragrostis pectinacea, Muhlenbergia
vaginata, Eragrostis pringlei, Tillaea aquatica, Bulbostylis
capillaris. Elev. 2100 m.(baro.).
Foliage red.
Distributed from NMC to: NMC, TEX, NY, MEXU, IBUG
Det. M. Mayfield (TEX) 20 July 1994
04029458