448 
G. Engelmann of 1880 and 1882; G. R. Vasey of 1881; Parish 814; 
Trelease of 1892). 
The common Cylindropuntia of the San Bernardino Valley. Apparently it does not 
extend to the coast region or the desert. 
81. Opuntia tesajo Engelm. MSs. 
With very short woody stem, and growing in little clumps 3 din. or 
less in diameter: joints slender and not distinctly tubereulate: flowers 
simple, bell-shaped, yellow.—Type, Gabb 26 in Herb. Mo. Bot. Gard. 
“Among rocks, especially toward the west coast and in the more 
central portions,” Lower California, 
Specimens examined: LOWER CALIFORNIA (Gabb 26 of 1867), 
Certainly a very ineager description, but as full as the material justifies and pos- 
sibly sufficient for subsequent identification. 
++ ++ Arborescent: joints tumid and fragile; tubercles depressed ; flowers purple: fruit 
mostly sterile and proliferous. 
82. Opuntia prolifera Engelm. Amer. Journ, Sci. ser. 2, xiv, 388 (1852). 
Stem 9 to 30 dm. high, 5 to 17.5 cm. in diameter, with reticulated 
woody cylinder, and numerous horizontal very divaricate branches: 
joints ovate or ovate-cylindrical, tumid, fragile, congested toward apex 
of branches, very green, lower at length refracted and brown, 7.5 to 15 
em. long and 3.5 to 5 em, in diameter, with obovate-oblong tubercles 
12 mm. long: pulvini tomentose, and the older with fine straw-colored 
bristles: spines 8 to 10, very variable, always with large loose sheaths 
which are light yellowish or rusty, 2.5 to 3.5 em. long, one being 
subeentral and the rest stellate-spreading, the lower shorter (12 to 
16 mm.): flowers dark-red, salverform, 3.5 em. broad: fruit clavate, 
obovate or subglobose, deeply umbilicate, strongly tuberculate like the 
joints, nearly always abortive and usually proliferous: seeds large, 
regular, 6 mm. broad, with broad prominent commissure.—Type not 
found in the Engelmann collection. 
Dry hills in southern California and adjacent Arizona, and extend- 
ing into Lower California (San Ignacio and northward) and the adjacent 
islands (Guadalupe, Santa Catalina, San Clemente). 
Specimens examined: CALIFORNIA (Gabb 21 of 1867; no collector. 
given of 1874; Parker of 1876; Engelmann of 1880; G. hk. Vasey of 1880, 
San Diego): Arizona (Trelease of 1892, at Benson): also cult. in 
Meehawn’s Gard. 1879, 
Mr. Schott’s notes describe this species as ‘on arid hills about San Diego, near 
dry beds of streams, forming impassable and extensive thickets which are ike unap- 
proachable coral reefs.” Mr, Brandegee notes that in Lower California it is 
“ some- 
times almost spineless.” 
83. Opuntia fulgida Engelm. Syn. Cact. 306 (1896). 
Opuntia fulgens Engelm. Bot. Calif. 1, 250 (1876). 
Stem erect, flexnose, 15 to 36 din. high, 15 cm. in diameter, with 
reticulate wood and few divaricate branches: joints ovate or ovate- 
