HARDY PERENNIALS 
41 
ANTHEMIS. Chamomile 
Anthemis Kelwayi. 2 to 3 ft. June to October; 
Flowers golden yellow. Good for cutting and for 
the border. 
A. tinctoria (Golden Marguerite). 2 to 3 ft. June 
to November. Of bushy habit, with angular stem 
and daisy-like golden yellow flowers, one to two 
inches across. 
ANTHERICUM. St. Bruno's Lily 
Anthericum liliastrum major. 2 to 3 ft. May to 
July. Bears large, pure white, lily-like flowers. 
Valuable as a border plant. 
APIOS. Groundnut 
Apios tuberosa. 4 to 8 ft. July and August. Vigor- 
ous habit; a native climber; grows well in the 
wild border in any loose, rich soil; desirable for the 
rapid covering of unsightly places; flowers fra- 
grant, chocolate brown. 
AQUILEGIA. Columbine 
Aquilegia californica hybrida. 1 to 2 ft. May to 
July. Flowers large, with scarlet sepals and 
yellow petals; spurs spreading, long and slender; 
foliage broad and ornamental. 
A. canadensis (Common Columbine). 1 to 2 ft. 
May and June. Our well-known native species, 
with scarlet sepals and bright yellow petals. 
Useful for rock garden. 
A. chrysantha. 3 ft. June to August. Numerous 
fragrant and showy golden yellow flowers, with 
long, slender spurs. 
A. caerulea (Rocky Mt. Columbine). I to. 1 M ft. 
May to July. Bright blue and white long-spurred 
flowers. 
A. flabellata nana. 8 to 12 in. June. Dwarf 
compact growing species with showy purple or 
lilac flowers. Excellent for rock-garden. 
A. — nana alba. 8 to 12 in. June. A dwarf white 
form of the above. 
A. nivea grandiflora. 1 to 1 H ft. April and May. 
Large pure white flowers. 
A. Skinneri. 1 to 2 ft. May and June. Crimson 
sepals lined with light green petals and long, 
straight, crimson spurs. Good border plant. 
A. vulgaris. 2 ft. May to July. Flowers in all 
shades of blue, white, red and purple; strong, vigor- 
ous habit of growth; an effective border plant. 
A. — alba. 2 to 3 ft. May and June. Large pure 
white flowers; valuable for cutting. 
A. — flore pleno. 1 to 2 ft. Flowers much doubled, 
ranging from white to deep blue. 
A. — alba flore pleno. 2 to 3 ft. May and June. 
Double-flowering variety of vulgaris alba. 
ARABIS. Rock Cress 
Arabis albida. 6 to 9 in. May. Desirable early 
flowering plant, especially adapted for rockwork 
and edgings, and for covering banks; fragrant 
white flowers. 
A. alpina. 6 in. April and May. Flowers smaller 
but similar to the former variety; one of the best 
rock plants. 
*A. — flore pleno. Double-flowering form of the 
above. Very desirable. 20c. each; $2.00 per 
dozen. 
A. rosea. 5 to 8 in. April and May. Flowers rosy- 
purple. 
ARENARIA. Sand-wort 
Arenaria balearica. 4 in. June. Suitable for rock- 
work. White flowers. 
A. montana (Sand-wort). 2 to 3 in. May and 
June. Very desirable evergreen trailing plant, 
forming a dense carpet of foliage and covered with 
large white flowers. Splendid for the rock-garden. 
ARMERIA. Sea Pink 
Armeria cephalotes rosea. 12 to 18 in. June to 
July. Deep rose flowers; fine for cutting. 
A. formosa. 12 to 18 in. June and July. Deep 
crimson, in large roundish head on erect stalk; 
leaves narrow and grass-like. 
A. Lauchana. 3 to 6 in. April to June. Bright 
rose-colored flowers. Excellent for rock garden 
or edging. 
A. — robusta. 8 to 10 in. June to October. Large 
crimson flowers. Very useful for edging and 
cutting. 
A. maritima (Thrift, or Cushion Pink). 3 to 6 in. 
May and June. Valuable for edging; flowers fine 
purple; foliage grass-like, evergreen. 
A. — alba. 3 to 6 in. May and June. Tufts of deep 
green foliage; white flowers. 
ARRHENATHERUM 
Arrhenatherum bulbosum variegatum. 12 in. A 
dwarf grass with variegated green and white 
leaves. 
Althaea Rose, Single Hollyhocks 
