P.- grandiflorus The stately Shell-leaf. Cool deep 
lavender and gray-green. 30”. June. 35c; 3, 90c. 
P. haydeni Blow-out Penstemon. Large milky-bluish 
fragrant blossoms. Gray-green plant of distinct 
character, 12 to 20”. July. New. 75c each. 
Petalostemon oligophyllus Airy, ele Prairie 
Clover with blobs of gold-dusted white. 35c; 3, 85c. 
Petalostemon purpureus Circlets of orange dotted 
purple- -red on deep green cones, June, sae 15”. 
Easy in scree or sand. 35c; 3, 85c. 
Petalostemon villosus Plump cones of soft silvery 
rose and silvery green velvet, lovely and decorative. 
July, Sept. 12”. Same culture. 40c; 3, $1.00. 
Phloxes of the Great Plains delight in scree with a 
bit of richness. Andicola and Little Cheyenne will 
succeed in any well drained lean soil. Keep cool 
until established, give half shade first summer. 
1A alyssifolia Bounty of soft lavender pink ‘inch 
wide fragrant blossoms, May, June. Leaves lanceo- 
late edged white. 3. to 5”. Slow mat former. 35c; 
3, 80c. 
A charming creamy albino valyssifolia, 40c; 3, 95c. 
P. andicola Large full lobed Phlox of the high prai- 
ries, forming colonies or mats. 4’. White, 35c; 3, 70c. 
Select blue-lavender, 45c; 3, $1.00. 
Select extra. large white, 45c; 3, $1.00. ~ 
P. hoodi Mossy green, snowed over with lovely lit- 
tle blossoms, April, May. Very slow spreading, final- 
ly making wide mats. 35c; 3, 90c. 
P. longifolia Handsome upright species, to 6”, hiss 
ter flowered, May. Leaves dark green, linear. New 
brilliant carmine, 75c each. 
P. Little Cheyenne (hoodi X andicela) Most perfect 
little florets imaginable, shining white with the 
usual speck of gold. May. 50c; 3, $1.00. 
Potentilla divisa Astounding beauty in sunlit yellow 
from a tuft of silvered deep-cut leaves, early May. 
3”, with a spread of 10”. 50c; 3, $1.35. 
Psoralea esculenta Pomme Blanche, Bread-root, In- 
dian Turnip. Lupine-like leaves, short spikes of soft 
blue-purple peas. 8 to 10’. 50c; 3, $1.20. 
Senecio purshianus Rock plant of all-season gray 
2” foliage, displaying in June airy light eet ploe 
soms at 8 or 9”. 35c; 3, 85c. 
Sideranthus spinulosus Massed inch wide asters in 
brilliant gold, Sept., Oct. Dense low type, 6”. Fine 
textured frosty foliage. Hot, dry spot. 35c; 3, 5c. 
Solidago glaberrima Dwarf selection of the Smooth 
Goldenrod with charming broad based, nodding 
tipped panicles, August. 12”. Moderate traveler. 35c. 
Solidago mollis Very attractive, bearing billowy 
heads at 4 to 12”, September. Slow traveler. 35c. — 
Solidago pulcherrima September beauty in groups — 
of plump tapering rods, 16”. Non-spreading. 50c. — 
Talinum parviflorum Little Sunbright. Airy rosy 
blossoms every summer afternoon, to 7’, from a 2” 
tuft of succulent leaves. Tiny thick roots, 3, 50c. — 
Thalictrum venulosum Especially good faintly blu-— 
ish foliage masses, to 8’, for all-summer effect. 
Bronzy bloom to 15 or 18”. 35c; 3, 85c. 
Thermopsis rhombifolia Dwarf Golden Pea. Broad 
packed racemes of glowing medium yellow, May. 8 
to 12”.. Unusual, beautiful colonizer. 40c; 3, $1.00. 
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