Merteiisia lanceolata An easy one of the re¬ 
fined, western, dwarf Bluebells. 10 inches. 
Arching stems with clusters of fine blue in 
April grow into panicles of lighter blue in 
June, leaves glaucous. Non-spreading. Dor¬ 
mant, mid-summer. 30c; 3, 75c; doz. $2.80. 
M. linearis New. Similar to lanceolata but 
with dark leaves and glossy dark blue throats 
to the corollas. 50c; 3, $1.35. 
Nothocalais (‘‘Agoseris’^) cuspidata A rich 
textured golden flower of April and May, of 
Dandelion type but flatter, two inches wide. 
Leaves broadly grasslike, white margined. 
Dormant in summer. 2 to 6 inches. 40c; 3, $1. 
Oenothera (Pachylophus) caespitosa Stem¬ 
less Evening Primrose, “Gumbo Lily.” 4 inch, 
snowy, fragrant blossoms among lanceolate 
glossy leaves, May to August. Must have good 
drainage, perhaps lime. 25c; 3, 65c. 
O. (Galpinsia) lavandulaefolia A lovely and 
free flowering yellow Evening Primrose. The 
two-inch, crinkly blossoms of clear rich color 
remain open all day, and from June to frost it 
is one of the jewels of the plains. 4 to 8 inches. 
Tiny grayish leaves. 40c; 3, $1.00. 
O. (Meriolix) serrnlata Small Evening Prim¬ 
roses of bright lemon yellow. Open through 
the day, and in bloom from May to August. 
Half shrubby, 8 to 10 inches. 30c; 3, 75c. 
Oreocarya glomerata Fine spikes of white 
Forget-me-nots that broaden into panicles 
with six weeks’ blooming. 20c; 3, 50c. 
Orophaca (Astragalus) caespitosa Compan¬ 
ion to Homalobus, its pillows of silvery tri- 
parted leaves are crowded in April and May 
with a snow of stemless blossoms. 30c; 3, 75c. 
O. tridactylica Of the appearance of caespi¬ 
tosa in the plant but with very pleasing flow¬ 
ers of magenta-shaded lavender, borne just 
above the leaves. (Formerly listed as O. seri- 
cea, which is similar in color.) Very rare. 50c; 
3 , $ 1 . 20 . 
Oxytropis lamberti Loco. Many showy race¬ 
mes of rich toned Pea blossoms, red-purple to 
blue, from light to dark, 12 inches. June. Sil¬ 
very pinnate leaves at the ground. Fine singly 
or en masse. 30c; doz. $3.00. 
Parosela, see Dalea. 
Pachylophus, see Oenothera. 
Pentstemon The Pentstemons of the plains 
are among the largest flowered and most 
showy, and in their native lean soils, with 
moderate moisture and excellent subdrainage, 
they contradict their reputation for imperma¬ 
nence. Some are sand hills plants. Use sand 
freely with all. 
P. albidus Close spires of large white blos¬ 
soms, May, June, to 14 inches. 20c; 3, 50c. 
P. angustifolius Brilliant azure, with glau¬ 
cous stems and leaves, this flower has a won¬ 
derful appeal. June. 12 inches. 25c; 3, 65c. 
P. eriantherus Handsome spires of large, warm 
lavender blossoms with prominent gold-hairy 
