26 
ROCKMONT NURSERY 
hair Fern; easily grown. Each 40c, Three 
$1.00» 
Venulosum.* Maidenhair Rue. One of the 
most valuable species for the rock gar¬ 
den; easily grown, elegant foliage and 
does not exceed 12 inches under our 
conditions. 
Fendleri.* Of larger size to 2 feet; lovely 
foliage. 
THYMUS 
Serpyllum coccineum. Mat-forming ever¬ 
green with minute foliage. Flowers rosy- 
red in great profusion during late sum¬ 
mer. Full sun or light shade. Clumps, 
Each 30c, Three 75c, Doz. $2.50. A more 
compact form listed as T. Azoricus, 
same price. 
VALERIANA 
Micrantha.* Valerian. Low clumps with 
15-inch stems, bearing clusters of small 
snow-white flowers; shade. Clumps, 
Each 40c, Three $1.00. 
VERATRUM 
Speciosum.* A large Liliaceous perennial 
for bog or shady, moist location. Ter¬ 
minal panicle of white flowers. 75c. 
VERNONIA 
Marginata.* Western Ironweed. 3 feet, 
flower-heads in clusters, deep purple. 
Each 50c. 
VERONICA 
Speedwell. Includes a few upright per¬ 
ennials for the border and several low 
creepers or dwarfs of exceptional value for 
the rock garden. 
Gentianoides. 2 feet. Flowers in loose 
racemes, blue. Each 30c, Three 75c, Doz. 
$2.50. 
Incana. One foot, white woolly plant, flow¬ 
ers deep blue in 6-inch racemes; valu¬ 
able for rockery or border. Each 30c, 
Three 75c, Doz. $2.50. 
Pectinata rosea. Prostrate, grayish foliage, 
rose-colored flowers in short racemes, 
close to the foliage. Each 40c, Three 
$ 1 . 00 . 
Rupestris, Heavenly Blue. A gem for the 
rock garden, mat-forming creeper with 
dark green foliage and azure-blue flow¬ 
ers in short racemes. Each 40c, Three 
$ 1 . 00 . 
VIOLA 
Violet. Nearly all thrive best in part 
shade and a moist humus soil. Each 30c, 
Three 75c, Doz. $2.50. 
Confederate. The large lovely blue and 
white violet from Virginia. 'Perfectly 
hardy. 
Oderata Blue. Sweet-scented blue violet. 
Oderata White. Sweet-scented white violet. 
Primulifolia. Rare white violet with un¬ 
usual oblong to ovate leaves. Hardy. 
Pubescens. Woodland yellow violet of mid¬ 
dle U. S. 
Rugulosa.* 10 inches, large foliage, flow¬ 
ers white; slowly spreads by runners. 
Nephrophylla and retusa are two easily 
grown blue violets. 
Tricolor. Also called “Johnny-jump-up.” 
Doz. $1.50. 
YUCCA 
Evergreen plants for deep, well-drained 
soil. May be placed in large rock gardens. 
Angustissima.* Extremely narrow foliage, 
edged with curled filaments; rare. Each 
$1.00, Three $2.50. 
Baccata.* Broad-leaved resembling an 
agave. The Colorado form is hardy; a 
desert type and good drainage is es¬ 
sential. Each 50c, Three $1.25. 
Coloma.* (Syn. Y. neomexicana.. Desirable 
for the rock garden because of its small 
size. With its miniature rosettes of 
stiff bluish foliage and slender flower 
stems, no hardy species is more attrac¬ 
tive. Each $1.00, Three $2.50. 
Filmentosa. Best known species, flowers 
cream white. Each 50c, Three $1.25, 
Large 75c. 
Filamentosa variegata. A hardy variegated 
type and a thrifty grower. The leaves 
have narrow stripes of green and white 
like a ribbon grass, tinged red in winter. 
Each 50c, Three $1.25, Doz. $4.00. 
Glauca.* The common yucca of the plains, 
known locally as Soapweed. The flow¬ 
ers are large and sometimes tinted 
purplish outside. Each 50c, Three $1.00. 
Glauca rosea.* Very rare form, outside of 
perianth tinted rose, grown true from 
root cutting. Each $1.50'. 
Harrimaniae. The smallest and hardiest 
of all, the foliage glaucus-blue, forming 
compact many-leaved rosettes. A gem 
for the rock garden. Fine young plants, 
Each 40c, Three $1.00, Doz. $3.50'. 
COLORADO HARDY CACTI 
A Desert Garden of Cactus, Yuccas and some of the flowering plants and bulbs, can 
be made a unique feature of the dry rockery and will yield a large return of satisfaction 
for the little care required. 
These plants are hardy to the lowest garden temperatures, enduring safely 20 de¬ 
grees below zero. The precaution to be observed by eastern gardeners is the avoidance 
of excessive moisture during winter. A raised rockery or elevation of the bed to in¬ 
sure free and quick drainage will best take care of this, and it will make it easy to dry- 
