Colorado Springs, Colorado 5 

CACTL— Continued 
fragilis. Small roundish joints, caespitose, 2 to 4 inches. Yellow 
flowers, shy bloomer. Plants only. 
humifusa. Clear yellow flowers, similar to O. polyeantha but fewer 
spines. 
polyacantha. Makes a large spreading mass; flowers yellow. (p. 22.) 
rhodantha. Like O. polyecantha. Flowers rosy-red. 
Pediocactus. 
simpsonii. An interesting ball variety, subalpine. Lovely satin pink 
daisy-like flowers. Seed scarce, 50¢ per pkt. 
CALLIRHOE, Poppy Mallow. 
involuerata. Profuse, reddish-purple mallow-like flowers; semi-trail- 
ing. Seed only. 
CALOCHORTUS, Mariposa Lily. Well-drained, deep soil. 
gunnisonii. Lavender to white cups on graceful stems. Bulbs $1.0€ 
per dozen. $6.50 per 100. 
CALTHA rotundifolia, Marsh Marigold. Clear waxy white petals, showy 
yellow stamens. Good in boggy places. 
CALYPSC bulbosa, Fairy Slippers. Fascinatingly elf-like. A pink 
moccasin with spurs; 4 inches. Grows on a rotted log in dense 
shade. Plants only. 
CAMPANULA, Harebell. 
parryi. Large lavender blue upturned flowers on slender erect stems. 
A striking little thing. 
petiolata. A dwarf, one-flowered rotundifolia. Alpine. 
rotundifolia. Blue, nodding flowers on slender stems. Also a white 
form which is good. 
uniflora. Half-inch blue-purple bells, singly on slender erect stems; 
alpine; 4 inches. 
CARDAMINE, Brook Cress. 
cordifolia. Heads of white flowers like candytuft, but with better 
foliage. 1 ft. Plants only. 
CASTILLEJA, Paint Brush. Probably parasitic, hence difficult to 
establish. 
collina. Scarlet bracts, 1 ft. stems. 
haydenii. Bright old-rose flowers; alpine. 
sulphurea. Soft yellow; subalpine. 
CERASTIUM, Mouse Ear. 
arvense. Forms a green carpet from which rise quantities of white 
flowers. 4 inches. 
CHAMAENERION (Epilobium). Tolerant of conditions, but resents 
being transplanted. 
angustifolium, Fireweed. Brilliant purple-pink spikes, 2 to 3 ft. 
CHIONOPHILA, Snowlover. 
jamesii. Perky little spikes of white two-lipped flowers. Alpine; 
4 inches. Scree with a dash of leafmold. 
CLAYTONIA, Spring Beauty. 
megarrhiza. Rosettes of shining succulent deep green, circled, as an 
after-thought, by a wreath of little white flowers pink backed. 
Seree. 
Cacti are tolerant of moist conditions if given sharp drainage. 
