44 
Knickerbocker Nursery 
R. houlletiana ___-25c to 50c 
R. pachyptera _25c to 50c 
R. pentaptera _25c to 50c 
Allied plants: 
Hatiora salicornioides ( Hariota ) 15c to 50c 
Lepidisperma cruciforme _50c 
Roseocereus tephracanthus __$1.00 
SELENICEREUS 
The Selenicerei are slender climbers. The flowers are white 
and in some varieties are as large as a dinner plate. Nocturnal. 
S. boeckmanii _ 3 5c 
S. grandiflorus. Mexico. Handsome, fragrant fls. -50c 
S. hamatus (rostratus ). Mexico. A curious one that looks 
as if it were growing upside down. Blooms very beau¬ 
tiful and fragrant_25c to $1.00 
S. macdonaldiae. Uruguay. Lovely big blooms-15c to 50c 
S. murillii ___25c 
S. nelsonii _ .$1-00 
S. pseudospinulosus -3 5c 
S. pteranthus. Mexico. Large fls. with delicate fragrance. 
One of the very best. Bluish green to purple 
stems _2 5c to 50c 
S. spinulosus _3 5c 
S. lagans. Mexico. Slender, climbing _15c to 3 5c 
STENOCACTUS 
An interesting Mexican genus, the plants having numerous 
ribs (from 10 to 122) usually wavy. Require calcareous soil. 
1 stenocactus anfractuosus. About 3 5 ribs. S. 2 5c_$1.00 
S. bicolor. Flat spines; ribs 3 3. S___2 5c. 
S. carneus. Few long spines; ribs 34. S. _1..2 5c 
S. coptonogonus. S..-___-_25c 
S. crispatus. Spines light. Ribs about 25; fls. purple. S..25c 
S. esperanzensis. Small; ribs about-.51. S. -.25c 
S. flavispinus. Long, light spines; ribs 30, S. 25c ........$1.00 
S. flexispinus _ $1.00 
S. grandicornis. Ribs 34 to 3 5. Fls. whitish purple. S.2 5c 
S. grisacanthus. Light, slender spines. Ribs 34_ $1.00 
S. hastatus _$1.00 
S. lammellosus. Few ecru spines. One spear-like standing 
straight up. Ribs 30. S. 25c.75c to $1.00 
S. longispinus ..__..._.-i.l__.$1.00 
S. ochoterenaus. Dark gray spines; ribs 34. S. 25c ..$1.00 
S. pehtacanthus. Ribs 2 5 to 5 0; fls. deep violet. S. 2 5c . $1.00 
S. phyllacanthus. Ribs 30 to 3 5. Fls. yellowish. S. 2 5c $1.00 
S. polylophus :....._ $1.00 
S. rectospinus. Long, light brown, flattened spines. 
Radials white. Ribs 3 5 _ .... $1.00 
S. robustus. Few heavy spines; ribs 35. S. 25c_ $1.00 
S. raupelianus. White radials, brown spines; ribs 50. 
S. 2 5c _ $1.00 
.S. zacatacasensis .. $1.00 
Stetsonia coryne. One of the most striking of S. Amer. 
cacti. 4” up_____ 50c up 
S trombocactns disciformis . . $1.00 
THELOCACTUS 
Globular with rather inconspicuous ribs and fine flowers. 
T. bicolor. Lovely frilled blossoms _ 15c to 3 5c 
T. bueckii $1.00 
T. ehrenbergi $1.00 
T. jossulatus $1.00 
T. hastiformis $1.00 
T. hexaedrophorns. Mexico _ $1.00 
T. knuthiana $1.00 
