AREN ARIA, — Dense bright green carpets of 
fine foliage covered with innumerable small 
white starry flowers. 
A. armeriastrum, — 2 in., July, S, Dr., 1.50 
A. balearica, — 1 in., June-Oct., S, Dr, I-II.35 
A. gracilis, — 6 in., June, S, Dr., II . .30 
A. grandiflora, — 4 in., June-Nov., S, Dr., II.50 
A. Kotschyana, — 2 in., June-July, ssh, Dr, II... .50 
A. laricifolia, — 8 in., July, — S, Dr., I-II .™...... .35 
A. montana, — the largest flowering and easiest 
of all. S-ssh, I-II-m, CS, 6 in., summer.25 
A. pinifolia, — 6 in., July, S, Dr., I-II.. .— .35 
A. purpurascens, — rosy, — 4 in., June, S, Dr, II .35 
A. tetraquetra, — 2 in., May-July, — S, Dr., I 
hot ....— .35 
ARMERIA, — very good rock plants, — they like 
sandy humus soil, a dry warm position, 
perfect drainage and sun. The leaves are 
grasslike and the flower heads, usually pink, 
red or white are born on slender naked 
stems. 
A. alpina, — carmine-rose, 8-10 in., June-July.30 
A. caespitosa,-rose,-2 in., April-May .. .35 
A. cephalotes,-rose, 10 in., June ..... .20 
A. formosa hybrida,-pink shades, 15 in., July... .15 
A. juncea (setacea),-rose, 4 in., April-May.35 
A. Laucheana, — brilliant rose, 8 in., summer.25 
A. maritima (vulgaris)- 6 in., rose, summer.30 
A. Six Hills,-similar to Laucheana, dwarf .... .35 
Arnica montana,-yellow, 10-20 in., June to 
July, PM, Il-IIIac, abhors lime ........ .25 
ARTEMISIA, — Wormwood, Good Rock plants 
valued chiefly for their fine foliage. All 
want a very sunny location and gritty, 
rocky soil. 
A. absinthium,-silver white foliage, 32 in . 25 
A. Baumgarteni,-silver white foliage, 8 in . 35 
A. Frigida,-silvery white foliage, 10 in . .35 
A. glacialis,-silvery white foliage, 8 in . 35 
A. granatensis (nevadensis) silvery white 
foliage. Only 6 inches high ... 35 
A. laxa, (Mutellini) silver white fol .. 30 
ASPERULA, — Woodruff. Fine foliage, num¬ 
erous small flowers. S-ssh, II-III, X. 
A. cynanchica,-light rose, 8 in., May-Nov.30 
A. hexaphylla,-white, 12 in. June . 20 
A. odorata,-white, 8 in., April-May .... 20 
ASTER, — offers many good rock plants. 
A. alpinus,-lilac blue with yellow center disc. 
10 in., May to July, I-IIIal, S, Dr .. .25 
A. alpinus albus, like preceding but white .30 
A. alpinus superbus, larger than alpinus . 35 
A. alpinus, mixed varieties, beautiful . 25 
A. amellus,-purple and yellow, 16 in., July- 
October, II-III, al, Dr, s-ssh.. . 30 
A. diplostephioides,-see A. subcoeruleus. 
A. Farreri,-deep purple, 12-16 in., July, II- 
IHal, Dr., S-ssh ...... .35 
A. Fremonti,-light rose, 8-15 in., July . 35 
A. pyrenaeus,-delicate pale lilac, 12-20 in., 
July, II-III, S-ssh, Dr .... 
10 
.30 
