San Diego, California 39 

O. santa-rita. Arizona. Purplish pads in winter. Sage 
green in growing season. Flowers golden yellow, 
as large as a water lily. 
O. Scheeri. Mexico. Almost covered with yellow, hair- 
like spines. Fls. yellow. Handsome. Cuts............ 15¢ 
ume tite Spines. Rare.........:...--c.0..2..-.-...c00-<0-: 25¢ 
. velutina. Pads pubescent. 
9° 

Nopalea cochenillifera Opuntia 
variegata microdasys alba 
OREOCEREUS 
Wooly, columnar South America Ceres, sometimes mis- 
taken for the “Old Man Cactus.” 
Oreocereus celsianus, Bolivia. Brownish spines, long 
wooly hairs on top. Handsome........ $1.00, $2.00, $3.00 
a | aa Ss $3.00 
O. fossulatus. Argentina. Long, white wool and long 
yellow spines. A fine Gereus.........- $2.00, $3.00, $5.00 
O. Trolli, The hairest of the three Oreocereus listed 
here. Exceptionally beautiful -................ 50c to $1.00 
I ic cas Sncai voeas-anneveidesa-tcanansee- $3.00 
PACHYCEREUS 
P. marginatus. Mexico. “Organ Cactus.’’ Smooth, 
green columns, usually 4 to 7 ribs with small 
spines regularly spaced on them. Used as hedges 
MEeIMekICO ........--.--- «ee I EE ae $1.00 to $10.00 
P. pecten-aboriginum. Mexico giant ...........-----:--------- $1.00 
P. Pringlei. Lower Calif.. and Mexico, Similar to the 
Carnegiea gigantea but slenderer when young. One 
Srerie yety latgest cacti _........-...-------2--:- $1.00 to $2.00 
Parodia. S. Amer. genus of great interest and beauty 
of spine and flower. 
P. aureispina. Golden spines, yellow flowers....20c to $1.00 
P. maassi. Orange brown curved spines. 3 in. .......... $1.00 
P. nivosa. White spines with red flowers. Gft......... $2.00 
Peniocereus Greggi. The strange night bloomer of the 
S. W. Enormous tuberous roots; slender, ribbed 
stems; big, white fls. Grows in shade................ $1.00 
