D. M. ANDREWS, BOULDER, COLO. 
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Echinocereus aggregatus. (Cereus coccineus.) Turkshead Cactus. 
Single plants cylindrical with prominent ribs, tufted with straw-color¬ 
ed spines; eventually forming hemispherical masses of many heads. 
Flowers large and very showy, brilliant scarlet. Clusters of 2-3 heads, 
50 cents and 75 cents; 4-5 heads, $1.00 
Echinocereus caespitosus. Tall-cylindrical, with beautifully inter¬ 
laced spines in various colors. Flowers very large, deep purple. Fine 
flowering plants, 50 cents and 75 cents; clusters, $1.00 and $1.50. 
Echinocereus goniacanthus. Kingscrown. Dark green, broadly ribbed, 
spines very stout and comparatively few. plant of distinct appearance 
and very ornamental. Flowers deep scarlet, abundant, large and very 
showy. Clusters of 2-5 heads, 50 cents, 75 cents and $1.00 each; large 
specimen clusters, well-shaped and very beautiful, $2.00 to $5.00 each, 
composed of 8 to 20 or more heads. 
Echinocereus viridiflorus. Pale green flowers give name to this 
species, of smaller size but clothed in a lacework of brilliant spines. 
Single or clustered, always attractive. Flowering size 30 cents and 50 
cents; specimen clumps, $1.00; assorted according to size, $2.00 and 
$3.00 per dozen. 
Pediocactus Simpsoni. (Syn. Echinocactus Simpsoni.) Pin-cushion. 
Ball-shaped, densely netted with brown or purplish spines, with a 
crown of bright pink flowers in early spring. Two to five inches broad 
35 cents, 50 cents, 75 cents and $1.00 each; assorted, $2.50 to $5.00 per 
dozen. 
Pediocactus Simpsoni, Snowball. A lovely albino type with snow- 
white spines and pink flowers; rare. Extra select specimens, $1.00 each. 
Pediocactus Simpsoni subalpina. A rare form found at the high al¬ 
titude of 9,000 feet. The plants are nearly flat, the small spine clus¬ 
ters forming neat stars at the tip of each tubercle. Blooms very early, 
pale pink; quite distinct. Flowering plants, 50 cents; clumps, $1.00. 
Opuntia. The rank, large-jointed Prickly Pears are out of keeping 
with the small rock garden. The following are recommended as dis¬ 
tinct, and attractive for their flowers and neat habit. Hardy and not 
exacting in their culture. Suitable for any sunny, dry slope or terrace, 
or at the top of a wall. 
Opuntia arborescens. Tree or Candelabrum Cactus. Cylindrical stems, 
freely branching into tree-like form to a height of two feet or taller; 
flowers deep rose-red, fruit yellow: 50 cents, 75 cents and $1.00 each. 
A few large specimens at $2.00. 
Opuntia Davisii. Lady Finger Cactus. Cylindrical stems branching 
from the center to form hemispherical clumps, seldom attaining 12 
inches. Flowers olive-yellow. Evergreen and the gem of hardy Opun- 
tias for the rock garden. Small flowering plants, 50c; clumps, $1.00 
Opuntia fragilis. Brittle Cactus. Joints an inch or less in length, very 
spiny, scarcely flat. The form, O. fragilis var. arenaria, has flat joints 
of larger size; either form, small clumps, 50 cents each. 
Opuntia Rhodantha. Very attractive and distinct for its rose-red 
flowers; forms neat clumps of medium size. Established flowering 
plants, 50 cents. 
Opuntia Schweriniana. Nearly alpine, forming neat clumps of oval 
joints nearly two inches in length; flowers yellow. Small clumps, 50 
cents. 
Opuntia hybrids and selected types. Hybrids are frequent among 
