4 UPTON GARDENS 
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ARAGALLUS (Oxytropis), Rocky Mountain Loco. Deep, well-drained 
friable soil. 
lambertii. Bright rosy purple; silky silvery foliage. 8 inches. 
splendens. Large soft heads in pastel shades; pinnate silver foliage. 
10 inches. 
ARENARIA, Sandwort. Sandy soil. 
aequicaulis. Tiny white stars rising above loose moss-like foliage. 
macrantha. Like A. sajanensis, but looser and taller. Large white 
stars. Plants only; seed sometimes available. 
sajanensis. Close green moss-like carpet dotted with clear white stars. 
ARGEMONE, Prickly Poppy. Full sun, neutral soil, probably resents 
acid. 
intermedia (platyceras). Large clear white poppy flowers with a 
generous centerpiece of yellow stamens; ornamental glaucous 
foliage. 18 inches. Treat as an annual. Seed only. 
ARTEMISIA, Mountain Sage. Dry sunny situations. 
frigida. Finely cut silver foliage; fragrant; good shorn. 
pedatifida, Birdfoot Sage. Diminutive, caespitose, silver foliage. 
Plants only. 
ASCLEPIAS, Butterfly Plant. Dry sunny situations. 
pumila. Heads of small white flowers on six-inch stems, elbowing 
their way out of needle-like foliage. An attractive thing, easy 
to grow. 
tuberosa. Flat heads of bright orunge on stiff erect stems. Good as 
a cut flower. 1% to 2 ft. 
ASTER. Well-drained soil, sun. 
eanbyi. An aster which really is clear pink, no lavender or magenta. 
12 to 18 inches. Seed crop variable. 
laevis (subalpinus). Lavender blue. Erect habit, 1 to 2 ft. 
porteri. Small white flowers along arching stems. A delicate, lovely 
thing for the perennial garden or large rock garden. 1% to 8 ft. 
ASTRAGALUS, Vetch. Plants difficult, seed more successful. Requires 
well-drained friable humus soil. 
aculeatus. A soft close cushion of miniature-lupin foliage and 
lavender flowers. Alpine. 
BOYKINIA. 
jamesii (Saxifraga jamesii). A rare alpine from Pikes Peak. Award 
of Merit, Chelsea Show, 1938. Profuse bright rosy pink to red 
flowers rising from neatly plaited heuchera-like leaves. Probably 
the most brilliant of the saxifrages. Seed 50c per pkt. See page 6. 
CACTI. Nomenclature on Colorado Cacti still vague. Well-drained soil 
or gravel; full sun. 
Echinocereus, Hedgehog Cactus. 
aggregatus. Orange-scarlet flowers with conspicuous green styles, 
followed by little russet apples. Large clumps $2.50. Single 
balls 50c. 
gonacanthus. Scarlet flowers. Plants similar to aggregatus, but 
clear blue-green of the succulent thick ribs is more evident than 
the spines. Large clumps $2.50. Single balls 50c. 
viridiflorus. Small knobs; primrose-yellow flowers. 
Mamillaria, Ball Cactus. 
vivipara (probably Coryphantha vivipara). A pin-cushion; bright 
rosy-purple flowers. 
Opuntia. 
arborescens (imbricata). Tree Cactus. Flowers vivid pinky-purple. 
Bright yellow conspicuous seed pods. Large plants $1.00 each, 
small 50c each. 
Keep crowns of alpines from winter wetness. 
