ns Knickerbocker Nursery 
O. (Tephrocactus) floccosa. Peru-Bolivia. ‘Polar Bear 
Cactus.” Hardy. Globular to cylindric stems hidden 
by silky hair through which protrude yellow spines. 
Flsspyellowitm Cuts. 2, cee eke, ha a ee See ie 
O. fulgida. Arizona. 
O. glomerata (Tephrocactus papryacanthus) (diademata). 
Argentina. Has gray, paper spines on gray green 
slobesisblsm white mk O0ted eCutsiea ot eee. eee 1Sc 
O. (grusonia) hamiltoniae_...-.-..... ae 2 ee 2) Catows 0G 
O. invicta. Beautiful broad white spines, rare, unusual. 
Pl aritcie Ser Pe be ee ek oe es Sere ne oN de See woe 
O. imbricata. Colo. to Central Mexico. When kept 
properly trimmed this green, tree-like cactus is very 
ornamental. Fls. purple. 
O. kleiniae. Texas. Slender; long yellow spines. 
OP RUZ Ci pe ene ee ape eR Mc Be eh eee DE ote 256 
O. leptocaulis. §S. W. U.S. Slender easily detachable 
joints. Has lovely red fruit that give the plant the 
appearance of a holly bush. 
O. (Tephrocactus) lagopus. Beautiful S$. Amer. covered 
witheyellows woGlsePlantssens eee ee 35c to $1.00 
O. mammillata. Very tubercled. Arizona. 
O. elata ovata cespitose. Yellowish green. Argentina. 
O. parrishi. §. Calif. and Ariz. A creeping, clavate plant. 
The new growth in the spring is very beautiful. 
Numerous flat, white spines. 
O. parryi. Light brown wool. Yellow spines. Yellow fls. 
Cal. 
O. prolifera. San Diego. Vicious cholla with easily 
detached joints. 
Op! CSTusonia) iar OSari cae 2 es ee ee ee 25c.tor 50c 
O. salmiana. Brazil, Paraguay, Argentina. Slender, pur- 
plish stems. Fls. pale yellow to white. Fruits scarlet, 
persistent, proliferous. Charming. 
O. serpentina. Prostrate, yellowish brown spines, greenish 
yellow fls. San Diego. 
O. spinosior. Ariz. Short spines, gray to brownish. Fls. 
purple, pink, yellow, white. 
O. subulata. Argentina. Different from any native 
Opuntia. Round stems, pronounced, long, conic 
leaves. 
teres. S. Amer. Attractive crimson fls. 
tesajo. Lower Calif. Slender; long sheathed spines. 
. tunicata. Central Mexico, Ecuador, Peru, Chili. Very 
beautiful with white, sheathed spines (sometimes dark 
red, brown). 
S00 

Opuntia tunicata 
Shining White spines 
