D. M. ANDREWS, BOULDER, COLORADO 
7 
tie of wliite-rayed blooms over the silvery 
foliage from June till frost. One of the few 
choice rock plants that can be depended 
upon for late summer bloom. Flowering 
clumps, 50 cents. 
MERTENSIA. Boraginaceae. The Rocky 
Mountain Bluebells range from the dry 
plain to alpine elevations. With a few ex¬ 
ceptions they prefer a moist soil with part 
shade. The high alpines do their best with 
moraine treatment. Several kinds previous¬ 
ly offered are temporarily out of stock. 
M. Bakeri. *$ A vernal species for a well 
drained position that it may dry off after 
flowering. Distinct for its downy, silvery 
foliage. Flowers in clusters of intense as- 
ure blue, a free bloomer and very early. 
30c; dozen, $2.50. 
NEPETA mussini. % Grayish foliage and 
blue flowers. Clumps, 40c each. 
N. Souv. Andre Chaudron. % Distinct up¬ 
right grower to 12 inches; silvery foliage, 
flowers dark blue, June to August. 50 cents. 
NYMPHAEA polysepala. (Nuphar.) Nym- 
phaeaceae. The yellow pond lily of moun¬ 
tain lakes. Flowers large, yellow, with red 
stamens. $1.00. 
OENOTHERA. Onagraceae. Evening 
Primrose. Ordinary well-drained soil. Sev¬ 
eral dwarf perennial species are excellent 
for the dry, sunny rockery. 
OE. brachycarpa. *$ To 6 inches; the 3- 
incli blossoms in spring appear in leafy ro¬ 
settes which form colonies on dry slopes; 
yellow, turning to orange-red. 30c; dozen, 
$2.CO; 100, $10.00. 
Oen.oth.era caespitosa 
M. ciliata. * Mountain Bluebell. A vigor¬ 
ous species of graceful habit for moist po¬ 
sition in sun or shade. The drooping sprays 
of pale blue flowers continue for a long sea¬ 
son and the glaucus foliage lasts through¬ 
out the summer. Valuable and easily grown. 
40c; 3, $1.00; dozen, $3.00. 
M. Platensis. La Plata Bluebell. * Same 
culture as M. ciliata, which it resembles, 
but its flowers are larger and deeper blue. 
50c; dozen, $4.00. 
MIRABILIS multiflora. Wild Four-o’Clock. 
*t An astounding plant forming a low 
mound of dark green foliage, starred with 
showy purple blossoms throughout early 
summer. Easily grown in the dry sunny 
rock garden, perennial and hardy, and 
blooms first season. Strong two-year-old 
flowering tubers 75c each. 
OE. caespitosa. *% Similar in size and 
habit to brachycarpa, but with white flow¬ 
ers turning to rose; sandy slopes. 30c; doz¬ 
en, $2.00; 100, $10.00. 
OE. lavandulaefol ia. *$ A diminutive 
shrub, profusely branched, less than six 
inches high, and in our garden has bloomed 
the entire summer and till frost. Of slen¬ 
der wiry growth with small leaves, the flow¬ 
ers are fully two inches across, the petals 
crinkled or craped and of silky texture. One 
of the most delightful of rock plants; cul¬ 
ture as for Melampodium, which is matches 
for habit. Stock limited. 50 cents. 
PARDANTHUS Chinensis. Iris family 
The Blackberry Lily. 30c; dozen, $2.50. 
PENTSTEMON. Scrophulariaceae. Beard- 
tongue. Pentstemons flower better and are 
more permanent on a well-drained slope or 
elevation in a lean, light soil without much 
