

38 Knickerbocker Nursery: 
O. galapageia. Yellowish brown spines, flowers yellow. 
Galapagoswilslands 22 eevee peste og sae es $1.00 
O. grahamii. Young spines white, turning brown. Texas 
O. grandiflora. Texas. Few spines. Large, yellow fls. 
With sted s.Cenmterscms Guts ne teen ce eee 20c 
O. heerfeldti. 
O. hyptiacantha. Oaxaca. Spines white, fls. red. 
OSboruthbiaiaon (Guba) eee eee ee i 
O. laevis. Large lemon yellow flowers tinged with red. 
Ariz. 
O. leucotricha. A very large stately variety with short, 
pure white, hair-like spines. 
O. linguiforms. The peculiar cow’s tongue cactus of 
Texas. 
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 
Withampunity bance om ee ee ps eas ay 25ee and 35¢ 
OVEAALS DUS OF a GOnsOles ees ot ee ee he DSi 
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 yellowish 
spines. Fls. yellow to orange. Pads 4 in. by 25 in. 
forms a tree. Beautiful. 35c up 
O. pilifera. 
O. pollardi. N. C. to Miss. Prostrate, glaucous. Fils. 
yellow. 
Or pusdlar es SoA REI FA a Headed eet Oa Oy" cient eps Pte 25c 
O. pycnantha. Creeping, spines yellow, from Magdalena 
sie. SGWeEe Calis meee eee Bt LEE ee ee 2 eects 50c 
O. pycnantha var. margaritana. Same, but with brown- 
ish red spines, and from Margarita Island. Both 
VECVe ine sande rare ieee ee ee hee ee ee ee 50c 
CORSET ILL 0 ae ee ee ah sek I es ee Oe 20c 
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. 

Opuntia retrorsa Opuntia aurantiaca 
