36 
Knickerbocker Nursery 
N. pringli .$1.00 
N. pseudo per bell a .$1.00 
N. pygmaea .$1.00 
N. rhodantha .$1.00 
N. rhodantha. (chrysacantha ) $1.00 
N. schiediana. S.25c 
N. sempervivi. 1 y 2 to 3 in.35c to $1.00 
N. sinistroha?nata. 1 in., grafted .„.35c 
N. sphacelata. 3 in.35c 
N. spinosissima. 1 to 3 in.35c to $1.00 
N. tarajaensis. 2^2 to 3 V 2 i n .50c to $1.00 
N. tetracantha. S.25c 
N. uncinata .$1.00 
N. vaupelli. 3 in.$1.00 
N. viperina. Grafted .$1.00 
N. ivinteriana. 3 V 2 in.$1.00 
N. ivoburnensis. II /2 in. clump.25c 
N. woodsi. 3 in.$1.50 
N. zachariniana ..$1.00 
N. zephranthoides. 2 in. ..$1.00 
Neopor/ieria acutissima. Grafted .50c 
N. nidus. Grafted.50c and $1.00 
N. reichi. Grafted.75c 
Nopalxochia phylanthoides .$1.00 
NOPALEA 
Nopaleas are Platyopuntia type plants except the flowers never 
open wide and the stamens and pistil are exserted. 
N. auberi. Smooth, spineless; free blooming; per cut.25c 
N. brittoni. Mexico. Dully mottled, thick stems. Per cut.15c 
N. cochenillifera variegata. Rare. Per cut.25c 
N. dejecta. Panama. Winter bloomer. Per cut.10c 
N. dejecta variegata. Unusual variegated form. Per cut.25c 
NOTOCACTUS 
A division of Malacocarpus. Globular to cylindric plants with 
fine flowers and usually highly colored spines. 
N. haselbergi. Brazil. Globular; hidden by creamy, setaceous 
spines. FIs. red.50c to 75c 
N. leninghausi. Brazil. Beautiful old gold spines. FIs. yellow. 
Good size grafted.75c, $1.00 and $1.50 
(2 year seedlings 50c) 
N. nigrispinus. Grafted .50c 
N. ottonis .50c 
N. scopa. Brazil. A most beautiful plant with slender white 
and red spines. Brown, fuzzy buttons at apex of plant turn 
» into wonderful, yellow fls. Small grafted.35c to $1.00 
var. rubra. 2 in.50c 
N. submamulosus. S. Amer. S.35c 
Nyctocereus serpentinus. Tall columns, slender, growing to 
tops of houses. 50 white, very fragrant blooms on one stalk 
in a single night.25c to $2.00 
Obregonia denegrii. Mexico. Rare.$1.00 
OPUNTIA 
(Cylindrical and intermediate types). Cuts only. 10c each unless 
otherwise stated. Cuts of all cacti must be kept dry until rooted. 
O. alcahes. Lower Calif. White spines. Fls. green-yellow. Cuts. 15c 
O. bigelovi. The golden spined cholla. Except where desired 
for color scheme not desirable. Dangerous with its barbed 
spines and easily detached joints. Plants.35c 
O. cahnalliana. Lower Calif. Slender; spine sheaths yellow. 
O. cholla. Lower Calif. Fls. deep purple. Brown sheathed 
spines. 
O. ciribe. Lower Calif. Similar to bigelovi but less spiny. 
O. clavaroides. Chile. Small, brownish, with minute spines. 
It always crests. Fls. light brown. Very unique. Large, 
grafted. No Cuts.$1.00 
O. congesta. Sonora. Slender, long spines with gold sheaths. 
Striking .15c 
O. cylindrica. Ecuador. Green, imbricate tubercles; fls. scar¬ 
let .15c to 25c 
O. davisi. Texas. Golden spines; fls. yellow. 
