10 NEW OR NOTEWORTHY PLANTS 
sandy loam in full sun. Very easily grown. Flowering plants 75c each, 
3, $2.00. 
NEPETA mussini. Grayish foliage and blue flowers. Clumps, 40c 
each. 
N. Souv. Andre Chaudron. Distinct upright grower to 12 inches; 
silvery foliage, flowers dark blue, June to August. 50 cents. 
NYMPHAEA polysepala. (Nuphar.) Nymphaeaceae. The yellow pond 
lily of mountain lakes. Flowers large, yellow, with red stamens. $1.00. 
NOLINIA microcarpa. *$ Bear Grass. Yucca family, rosette-forming, 
very narrow foliage which is quite rigid and was used by Indians for 
baskets and mats. Same culture as yucca; a hardy species for the dry 
rock garden. 50c; 3, $1.50. 
OENOTHERA. Onagraceae. Evening Primrose well-drained soil. Sev¬ 
eral dwarf perennial species are excellent for the dry, sunny rockery. 
OE. brachycarpa. * To 6 inches; the 3-inch blossoms in spring ap¬ 
pear in leafy rosettes which form colonies on dry slopes; yellow, turn¬ 
ing to orange-red. 30c; dozen, $2.00. 
OE. caespitosa. * Similar in size and habit to brachycarpa, but with 
white flowers turning to rose; sandy slopes, 30c; dozen, $2.00. 
OE. Missouriensis. * A more or less trailing Evening Primrose with 
large yellow flowers. 30c; dozen, $2.50. 
Onions, flowering, see Allium. 
Oxytropis sericea. *t Silky Loco. Large-flowered, in tall racemes 
from a pinnate-leaved rosette. Varied in color; white, pink, rose, laven¬ 
der. purple and crimson. Sunny well drained rockery. 35c; dozen, $3.00. 
PARDANTHUS Chinensis. Iris family. The Blackberry Lily. 30c; 
dozen. S2.50. 
PENTSTEMON. Scrophulariaceae. Beard-tongue. Pentstemons flow¬ 
er better and are more pemanent on a well-drained slope or elevation 
in a lean, light soil without much humus. A surfacing of gravel or stone 
chips is the only mulch required. The leaves when evergreen seem to 
like the sunshine, even in winter. Plant fall or spring; sow seeds in 
autumn. 
P. angustifolia. * Attractive sky-blue flowers in May; sandy soil. 
30c; dozen, $2.50. 
P. Crandallii. * A creeping, mat-forming, Pentstemon with ever¬ 
green foliage. A most valuable rock-garden type, fitting itself among 
the rocks in a charming manner; hardy and permanent. Flowers early, 
in shades of pale blue, forming a carpet of color. Small clumps. 30c; 
dozen, $2.50. 
P. Crandallii alba. *$ White-flowered. 50c. 
P. Crandallii rosea. *$ Color clear rose. 50c. 
P. Grandiflorus. *$ The most splendid of native Pentstemons; about 
two feet tall, carrying two-inch trumpets of rosy purple. 50c. 
P. humilis. (Syn. P. virens). * To 10 inches; dependable, and easily 
grown. The foliage forms low mats of dark green throughout the sea¬ 
son. sending up slender sprays of intensely blue flowers in June. Flow¬ 
ering plants: 30c; dozen, $2.50. 
P. humilis albus. *t Pure white. 50c; 3, $1.25. 
P. lavendulus. * 12 inches; this mountain form of P. secundiflorus 
is dwarfer and makes better clumps; glaucus foliage, flowers deep rosy 
lilac. 30c; dozen, $2.50. 
PEONIES. See separate section for garden varieties. 
PHLOX. Polemoniaceae. A large number of ornamental species from 
