38 Knickerbocker Nursery 
a 
O. leucotricha. A very large stately variety with 
short, pure white, hair-like spines. 







Opuntia erinacea 
O. linguiforms. The peculiar cow’s tongue cactus of 
Léxas: 
O. microdasys. N. Mexico. Covered with tiny, golden 
yellow glochids looking like velvet but dangerously 
deceptive. Small ones perfect in bowls. 
variety alba, pure white, velvety and can be 
handled with impunity. Plants -~................- 25c and 
O. Milspaughi- (Consoléa)  ....---2-2--=+0-1.. 
O. monacantha (vulgaris). Brazil. Thin pads with 
long, dark spines. 
O. monacantha variegata. The best seller because of 
its unusual marbled mosaic of color and design. 
O. moniliformis (Consolea haitiensis). Few yellow- 
ish spines. Fls. yellow to orange. Pads 4 in. by 
25 in. forms a tree. Beautiful -...... eee 35¢ 
O. pilifera. 
O. pycanantha. Spines yellow, from Magdalena Is., 
Lower © Calif... 22..20:.00-02..:20:-3 se 
O. pycantha vat. margaritana. Same, but with brown- 
ish red spines, and from Margarita Island. Both 
very fine and Take —_----.12.1.-2c---.c---0cete a 
O. rafinesque (opuntia). Hardy. Small green pads. 
Grows erect in summer but becomes procumbent 
in fall so that snow will not break it. 
O. retrorsa. Argentina. A very charming dark green, 
shining, sprawling Opuntia. Each spine seems to 
cast a long purple shadow. The joints are flat but 
very thick and nearly round. 
O. robustus. ‘“Dinnerplate.” Large, round bluish 
pads. 
O. rufida. Texas and Mexico. Like microdasys but 
the spines are auburn and more widely spaced. 
A perfect harmony of color are those rich hues 
on a dark, green ground. 

35¢ 
