

PRIMULA denticulata. 3 for $1.50 
PRIMULA ~- Primrose 
Primulas in their varied forms and colors are 
among the earliest of spring flowers. They are 
ideal for shady spots in the rock-garden or in the 
shade of evergreens, trees, and shrubs. They like 
a rich loam with a liberal quantity of peat moss or 
leaf mold and need plenty of moisture from April 
right on through the summer and fall seasons. 
Auricula. A lovely alpine variety for the rock- 
garden requiring lime, some shade, and good 
* drainage. Blooms from April till June and on 
occasion again in the fall. Colors vary from 
yellow to lavender. 4 to 5 in. 3 for $1.50; 10 
for $4.50. 
Denticulata. This variety was originally 
brought from the Himalayas. Large, globular 
x heads of heliotrope-blue flowers are close set 
on strong, stout stems. 12 to 15 in. Apr., 
May. 3 for $1.50; 10 for $4.50. 
Frondosa. A tiny Primula having star-like, 
* Iavender-blue flowers. Excellent for the rock- 
garden. Prefers moist location, but good 
drainage. 3 for $1.50; 10 for $4.50. 
Japonica. Flowers vary from crimson to pink 
and almost white, in whorls on long stems. 
* 3 for $1.50; 10 for $4.50. 
STOKESIA cyanea superba. 3 for $2.00 

ew 
PRIMULA polyantha. 3 for $1.35 
Polyantha. An old favorite with trusses of 
large flowers in various shades from white 
% through yellow, rose, and carmine to scarlet. 
1 ft. Apr. May. 3 for $1.35; 10 for $4.00; 
100 for $35.00 (our selection.) 
Polyantha, Colossal Strain. Giant flowers of 
*xmany unusual shades, including orange, 
copper, gold, yellow, burgundy and _ violet; 
many are two-toned pastels. Beautiful foliage 
and large individual flowers. Mixed colors 
only. 3 for $1.50; 10 for $4.50. 
Sieboldi Hybrids. Very hardy native plant 
* from central Siberia. Has soft, crumply foliage 
and fine fringed flowers on 10 to 15-inch stems. 
Creeping habit. 3 for $4.50. 
Veris acaulia, Blue. Compact-growing Prim- 
ula, with each individual blue flower starting 
% direct from the root system. 6 to 8 in. high. 
3 for $1.35; 10 for $4.50. 
Veris Duplex (Hose-in-Hose). An unusual 
x type of Primrose, each pale yellow flower 
having a duplicate within itself. Very hardy, 
and a good strong plant. May. 3 for $1.50; 
10 for $4.50. 
Vulgaris. The common English Primrose or cow- 
slip. 3 for $1.35; 10 for $4.00; 100 for $35.00. 
PRIMULA COLLECTION 
f 10 plants in 5 d ieti 
marked@ for... :. D4a25 
(2 of each variety, labeled true to name) 
STOKESIA 
Cyanea superba. A greatly improved Corn- 
flower Aster with the finest sky-blue flowers 
averaging 3 to 4 inches across. It is so easy to 
grow and therefore is especially valuable when 
good blue flowers in the border are scarce. Begin- 
ning to bloom in July, it continues throughout 
summer until early October. Very hardy and 
free of all pests. 3 for $2.00; 10 for $6.00. 
Levis (cyanea). Cornflower Aster. A hand- 
some native plant with fine sky-blue flowers 
3 to 4 inches across. 2 ft. July to Oct. 3 for 
$1.35; 10 for $4.00. 
TEUCRIUM - Germander 
Chameedrys. Compact bushes with small, 
spiny, dark green leaves surmounted by spikes 
of lavender-pink. Practically evergreen, It may 
be clipped to any desired height, and being 
hardier, it has taken the place of dwarf box- 
wood as edging for rose-gardens, herb-gardens, 
borders, ete. 1 ft. July, Aug. 10 for $2.50; 
25 for $5.50. 
THERMOPSIS 
Caroliniana. Bright yellow, pea-shaped, Iupine- 
like flowers. 3 ft. June, July. 3 for $1.35; 
10 for $4.00. 
THYMUS 
Serpyllum coccineus. Dark green foliage. 
* Bright red flowers. 3 to5in. June, July. 3 for 
$1.25; 10 for $3.00. 
Serpyllum lanuginosus. Woolly-leaved 
* Thyme. Quick-spreading plant. Effective 
for rockeries. Flowers reddish pink. 5 in. 
June to Aug. 3 for $1.25; 10 for $3.00. 
40 
TRILLIUM 
These hardy perennials thrive in shady parts 
of the rock garden or wild garden. They need 
plenty of leaf-mold and adequate moisture. 
Their name comes from the three leaves borne 
in a whorl and the three-petaled flowers. Tril- 
liums are best planted in large groups. 
Erectum. Purple Trillium; Wood-Lily. The 
earliest to flower. Reddish purple. 3 for $1.35; 
10 for $4.00. 
Grandiflorum. Snow Trillium. The largest 
and one of the finest. Flowers 2 to 3 inches 
across, white turning to rose. 3 for $1.35; 
10 for $4.00. 
Luteum. Yellow Trillium. Flowers of lemon- 
yellow produced over a long period. 3 for 
$1.35; 10 for $4.00. 
Undulatum. Painted Trillium. Large flow- 
ers with scarlet and white markings. An early 
bloomer. 3 for $1.35; 10 for $4.00. 
TRITOMA . Torch-Lily 
Hybrids, Assorted Colors. The predominating 
colors are a blending of orange-scarlet, suffused 
tones of yellow, and are somewhat hardier 
than Pfitzeri. The strain we have is developed 
from T. mirabilis. 3 for $1.35; 10 for $4.00. 
NEW AND IMPROVED TRITOMA 
HYBRIDS 
Pright shades of yellow and orange not here- 
tofore produced in the Tritoma family. They 
also cover a wider bloom season than the older 
varieties. 
Golden Sceptre. Its saffron-yellow, 3-foot 
spikes create a fine display in summer. Vigor- 
ous grower, and also attractive when not in 
flower. June, July. 
Goldmine. Coppery gold spikes 21% feet high. 
Flowers freely from August to October. 
Primrose Beauty. Clear primrose-yellow. 
Spikes over 3 feet tall tower on a graceful plant 
and flower in Jate summer. 
Vanilla. Dwarf, free-flowering, clear pale yel- 
low. Produces numerous 2-foot spikes and has 
grass-like foliage. June 
All Tritomas: 3 of one variety for $1.75; 
10 of one variety for $5.25 
TRITOMA OFFER o 
of 8 plants, 2 each of 4 named $ 4 25 
. é 
varieties, our selection. ... . 

NEW AND IMPROVED TRITOMA HYBRIDS 
Bobbink & Atkins 
