36 
Knickerbocker Nursery 

. (Grusonia) Hamiltoniae .....2 eee 25c to 50c 
O. invicta. Beautiful broad white spines, rare, un- 
usual. Plamt occcccceccs ccccbesnceeneecce see FOC 
O. imbricata. Colo. to Central Mexico. When kept 
OO Oe 26 ORS) 
GO 
properly trimmed this green, tree-like cactus is 
very ornamental. Fls. purple. 
. kleiniae. Texas. Slender; long yellow spines. 
. leptocaulis. S. W. U.S. Slender easily detachable 
joints. Has lovely red fruit that give the plant the 
appearance of a holly bush. 
. (Tephrocactus) lagopus. Beautiful S. Amer, cov- 
ered with yellow wool. Plant .................. 35c to $1.00 
. mammillata. Very tubercled. Arizona. 
. elata ovata cespitose. Yellowish green. Argentina. 
. Parryt. Light brown wool. Yellow spines. Yellow 
fls. Cal. 
. prolifera. San Diego. Vicious cholla with easily 
detached joints. 
. (grusonia) 7OSarICA <2. 2562 te UC 
. Serpentina. Prostrate, yellowish brown spines, 
greenish yellow fls. San Diego. 
O. subulata. Argentina. Different from any native 
O. 
Uv; 
0. 
O; 
OQ: 
Opuntia. Round stems, pronounced, long, conic 
leaves. 
te-es. S. Amer. Attractive crimson fle. 
tunicata. Central Mexico, Ecuador, Peru, Chili. 
Very beautiful with white, sheathed spines (some- 
times dark red, b own.) WHave both colors. 

Opuntia tunicata 
Shining White spines 
vestita. S. Amer. Slender stems covered with soft, 
white hairs. New growth has long, narrow, terete 
leaves! sRate. 7 Guts ame ee 10c; Rooted plants 50c 
vilis. Miniature tree-like. Fine for bowls. Plant....10c 
(2rUsONnia) WHISDTANA <..ecnnc-sace-nonsen0-ss 50c 
OPUNTIA 
(Platyopuntia or flat branched types) 
Cuts at 10c each unless otherwise stated. Keep dry till 
rooted. 
O. aurantiaca. Semi cylindric. Long spines. S. Amer. 
O. basilaris. Calif. The Beaver Tail. A lovely plant 
O. 
OR 
varying color from grey green to soft purple. 
Matte finish. Magenta bloomer plants........ 15c to $1.00 
basilaris brachyclada. An anomalous form of O. 
basilaris. 
Boldinghi. Curacao to N. S. Amer. Few short, 
brown spines. Fls. rose. 
