O. glomerata Prairie Candle. Large white Forget- 
me-nots, 10 to 14” spikes, six weeks, mainly June. 
Short-lived, clip back after blooming. Scree. 20c. 
Orophaca caespitosa Tufted Milk-vetch. Low cush¬ 
ion of silvery tri-parted leaves, with a snow of 
stemless blossoms; astonishing beauty; April-May. 
Scree, with gravel surface. 30c; 3, 75c. 
O. tridactylica Red Orophaca. Delightful lavender- 
rose flowerlets on similar elfin cushion; May. Same 
culture. Very rare, 50c each; 3, $1.20. 
* 1 | ' 
Oxytropis lamberti Loco. Silvery pinnate leaves 
at the ground, spectacular plumes of rich toned Pea 
blossoms, purple-red to blue, light to dark; to 12”; 
June. Scree or sand. 30c; doz. $2.50. 
Parosela, see Dalea. 
Pentstemon albidus Really beautiful spires of large 
white trumpets, to 14”; May, June. 20c. 
Scree is happy hunting ground for all the large 
flowered Plains Pentstemons. Lean sand, not pure 
sand, is equally agreeable to angustifolius, nitidus 
and grandiflorus. 
P. angustifolius A wonderful harmony in brilliant 
azure and glaucous green, June; 12”. 25c; 3, 65c. 
P. erandalli Novel 2” evergreen mat-former with a 
veil of upturned bells of blue in June. From the 
Rockies but quite at home here. 50c; 3, $1.35. 
P. eriantherus Showy, warm lavender, with prom¬ 
inent tongues of gold,, and very lovely. June, 8 to 
12”. Taste for lime and a little sticky clay. 25c. 
P. glaber A fine dark blue often touched with pur¬ 
ple; June, July, and again if cut back. 18” or more. 
Very adaptable. 30c; 3, 70c. 
P. gracilis A light and graceful smaller flowered 
one, ahi6thyst in tone. 12”; June, July. 30c. , 
P. grandiflorus The stately “Shell-leaf.” Cool lav¬ 
ender and gray green; 30”; June. 35c; 3, 90c. 
P. nitidus Deeper blue, lower, three weeks earlier 
than angustifolius. An indispensable. 30c. 
Petalosternon purpureus Prairie Clover. Circlets of 
orange-dotted purple-red about deep green cones, 
June, July; fragrant. 15”. Scree or sand. 35c. 
P. villosUs Velvet Prairie Clover. Plump cones of 
soft silvery rose and silvery green, July-Sept. Very 
decorative plant. Same culture. 40c. 
'1 .ft*,,- ; 
Phlox alyssifolia Shebts of soft lavender pink to 
bright pink, delightfully fragrant, May, June. 
Height 3 to 5”. Foliage of distinct value, white 
edged. Spreading slowly. 30c; 3, 80c. 
These Plains Phloxes and P. longifolia which comes 
here and there onto the mountain border of the 
Plains, are well at home in scree with or without a 
little richness. They will come to you with strong 
young roots. Give half shade first summer. 
P. andicola The large white blossomed needle- 
leaved Phlox of the high prairies; 4”. Long season, 
April through June. 20c; doz. $2.00. 
Same, in blue lavender; new, 35c. 
Extra large white, choicest selection; 50c. 
