6 
N. A. HALLAUER—Webster, N. Y. 
* HARDY CACTI 
Hardy Cactus plants, with their quaint and unusual forms are 
coming into favor for sunny, dry positions in the rock garden; 
on sunny banks; and for use in the solarium or sun porch. The 
plants listed below are hardy to zero or below. Only blooming 
size plants are sent out. 
Culture—Plant in well drained dry sandy soil in full sun. An 
alkaline or limestone soil is preferable. Water sparingly at all 
times. Being native of the northern Rocky Mountains, they will 
probably endure any cold liable in the North bastern United States. 
Winter moisture is their worst enemy, so plant them in a raised 
sloping position, if possible, or protect them from overhead wet 
in winter. 
Opuntia aborescens (Tree or Candelabrum Cactus). Cylindrical 
stems branching into tree-like form. Flowers deep-rose red to 
purple. Fruits yellow. Also called Opuntia imbricata (Walking- 
stick Cactus). 35 cents each. 
Opuntia fragilis (Brittle Cactus). Dark green. Joints oblong or 
nearly round. Very spiny, Spines gray to red-brown. Flowers 
clear lemon-yellow. The dwarfest of the Opuntias. 2 to -4 
inches. 25 cents each. 
Opuntia arenaria (Sand Cactus). Dark green. Branches a little 
larger and somewhat flatter than Opuntia fragilis, but with a 
lesser number of stout yellow spines. Flowers pale-yeilow 
slightly tinged with green. 2 to 4 inches. 25 cents each. 
Opuntia camanchica (Long Spine) (Edible Indian Fig). Dark 
green. Three long straight red spines from each aeriole. Flow¬ 
ers rich yellow. 6 to 12 inches. 40 cents each. 
Opuntia missouriensis (polyacantha). Cray-green. Very spiny. 
Spines white. Flowers yellow, yellow-bronze, pink and occa¬ 
sionally a red one. 6 to 12 inches. 25 cents each. 
Opuntia rhodantha. Nearly alpine. Cray-green. Well covered 
with light yellow spines. Flowers light yellow. Low, compact 
grower, flat branches almost circular and uniform in size. 25 
cents each. 
Opuntia refinesqui (mesasantha) (Edible Prickley Pear). Dark 
green. Spines none, or a solitary strong one reflexed with one 
or two small ones at its base, all are gray or yellow. Flowers 
yellow or yellow with red centers. 6 to 12 inches. 35 cents 
each. 
Opuntia xanthostemma. Very attractive and distinct for its rose- 
red flowers. Forms neat uniform clumps of medium size. 
Height about 8 inches. Supply limited. Nice blooming size 
plants $1.00 each. 
Mammillaria missouriensis. Small variety 1 1/2 to 2 inches in dia¬ 
meter and about the same in height. Light green. Cray Spines. 
Flowers orange-yellow. Berries red. 35 cents each. 
Mammillaria vivipara. A variable species, taller and larger than 
Senilis, with purplish spine-tufts on prominent tubercles. 
Flowers deep rose-purple. Spines almost erect on crown. Also 
known as Corypantha radiosa. 35 cents each. 
Echinocereus gonacanthus (Kings-crown). Broadly ribbed. Stout 
coarse spines. Very ornamental plant. Showy deep-scarlet 
flowers, trumpet-shaped; open day and night. 3 to 9 inches. 
50 cents each. 
Echinocereus viridiflorus. Commonly known as the green-flowered 
“Petaya.” Plants nearly globular, but sometimes cylindric and 
3 to 6 inches tall. Spines very stiff and range from white to 
brown and dark-red, arranged in circular bands of light and 
dark about the plant. Flowers open yellow and gradually turn 
to pale apple-green. Open in sunshine only. 
Pediocactus Simpsoni. Bell-shaped, densely netted with brown 
or purplish spines, crowned with bright pink flowers. It is the 
earliest of the hardy group to bloom. 2 to 5 inches in diameter. 
35 cents each. 
'Calamintha Alpina—Rich purple flowers. 6 in. Attractive in the 
rockery. Sandy loam. June to August. 25 cents each. 
'Callirhoe Involucrata (Poppy Mallow)—Attractive trailing plants, 
finely divided foliage and rosy red mallow-shaped flowers with 
white centers. Blooms continuously through summer and fall. 
10 in. Dry soil in sun. 25 cents each. 
^'Campanula Abietina—Bright green rosettes of foliage, and violet 
purple bells on 12 in. stems. Sun and light gravelly soil. 25 
cents each. 
'Campanula Barbata—Silvery blue bearded pendant bells on 10 in. 
stems in May and June. Poor stony soil. 25 cents each. 
'Campanula Carpatica (Carpathian Hairbell)—A wonderful little 
plant bearing clear blue cup-shaped flowers all summer and fall. 
6 in. Well drained soil in sun. 25 cents each. 
'Campanula Carpatica Alba—A white form of the above. 25 cents 
each. 
'Campanula Carganica—A spreading tufted plant bearing light blue 
flowers having white eyes. June to Sept. Well drained place 
in sun, constant moisture. A gem for the rockery. 3 in. (w). 
35 cents each. 
