HARDY PERENNIALS 
47 
DIGITALIS. Foxglove 
The flowers of this species should be cut off when 
through blooming. 
Digitalis ambigua, or grandiflora. 2 to 3 ft. June 
and July. A hardy plant, with yellowish floweis, 
marked with brown. Effective in groups in wild 
garden. 
D. gloxiniaeflora. 3 to 4 ft. June and July. A 
popular variety, ranging in color from pure white 
to deep purple. - Robust habit. 
D. — alba. 2 ft. June and July. The white- 
flowered Foxglove. 
D. purpurea (Common Foxglove). 2 to 3 ft. July 
to September. Flowers in dense terminal racemes; 
purple, marked inside with dark purple spots, 
which are edged with white. Wild garden or 
border, or for planting among shrubbery. 
D. rosea. 2 to 3 ft. June and July. Beautiful rose- 
colored flowers. 
DORONICUM. Leopard's Bane 
Doronicum caucasicum. 1 ft. May and June. 
Yellow composite flowers, generally solitary. 
Good for cutting. 
D. plantagineum-excelsum. 2 to 3 ft. May and 
June. Vigorous bushy plants with showy orange- 
yellow flowers. 
ECHINACEA. Cone Flower 
Echinacea purpurea. 2 to 3 V 2 ft. July and August. 
Large reddish purple flowers, with drooping rays; 
showy, vigorous plant. 
ECHINOPS. Globe Thistle 
Echinops pumilum. 3 ft. August. Dark blue 
heads, somewhat smaller than Ritro. 
E. Ritro. 4 ft. July and August. Handsome 
thistle-like foliage; large, globular heads of blue 
flowers. Wild garden. 
EPILOBIUM. Great Willow Herb 
Epilobium angustifolium. 3 to 4 ft. June to 
August. A very handsome species; spreads 
rapidly; valuable for shrubberies; showy spikes of 
clear red flowers. 
EPIMEDIUM. Barrenwort 
*Epimedium macranthum niveum. 8 to 10 in. 
Late April and May. An interesting plant with 
curious shaped white flowers; new leaves reddish. 
Suitable for rock garden or border. 20c. each; 
$2.00 per dozen. 
*E. purpureum. 8 to 10 in. April and May. Bright 
scarlet flowers; .thrive best in partial shade. 20c. 
each; $2.00 per dozen. 
*E. roseum. 8 to 10 in. April and May. Flowers 
beautiful rose-pink; foliage like Maiden-hair 
fern; fine for rock garden. 20c. each; $2.00 per 
dozen. 
ERIANTHUS. Plume Grass 
Erianthus Ravennae. 6 ft. August. A stately 
hardy grass, very ornamental; the foliage forms 
graceful clumps, from which arise handsome 
purplish plumes; sunny situations preferable. 
ERIGERON. Fleabane 
Erigeron aurantiacus. 9 in. July. August. Showy 
species with solitary, Daisy- like, orange flowers. 
Pretty massed in wild garden or border. 
E. speciosus. 2 ft. June, July. Large, handsome 
blue flowers, violet-tinted and yellow centers; 
desirable for cutting. Plant in masses in rock gar- 
den or border. 
*E. — Quakeress. 18 in. June, July. Flowers pink. 
A choice new variety. 20c. each; $2.00 per 
dozen. 
ERYNGIUM. Sea Holly 
Eryngium alpinum. 3 ft. July. Flowers and stems 
bright blue; flowers in oblong heads; leaves 
leathery and spiny. Excellent for sub-tropical 
effects. 
E. amethystinum. 2 ft. June to September. The 
handsome flowers, foliage and stems are deep 
amethyst blue; a useful plant for decoiation, the 
spikes being cut when colored and used in a dry 
state for decoration. 
E. yuccafolium. 2 to 3 ft. June to October. Foli- 
age resembles Yucca. Flowers steel-blue. 
ERYSIMUM. Hedge Mustard 
Erysimum rupestre. 6 to 8 in. May. Plant re- 
sembles the Wallflower. Suitable for rock garden. 
Flowers yellow; leaves narrow. 
EULALIA. Hardy Grasses 
Eulalia japonica. 6 to 7 ft. A vigorous grower; 
has long, narrow, graceful green foliage, with large 
plumes. 
E. — gracillima. 4 to 5 ft. Very hardy. Leaves 
narrow, dark green; with silvery white midrib. 
Very ornamental. 
E. — variegata. 4 ft. Handsomely variegated leaves. 
E. — zebrina. (Zebra-striped Eulalia). 5 to 6 ft. 
One of the most beautiful of ornamental grasses; 
foliage marked crosswise with bands of, white and 
green. : ' , ' 
EUPATORIUM. Thorougfhwort 
Eupatorium \ ageratoides ,ia (White Thoroughwort) 
2 to 3 ft. August and September. A superb 
native plant , with large heads of handsome pure 
white flowers. . 
E. Fraseri. 2 to 3 ft. August to October. Delicate 
white flowers in large terminal heads. Useful for 
cutting. 
E. purpureum. (Joe-Pye Weed). 6 to 7 ft. Autumn. 
A gigantic perennial. Branching heads of purple 
flowers 18 in. across. Naturalize on banks of 
streams or wet meadow land. 
EUPHORBIA. Spurge 
Euphorbia corollata. 18 in. July and August. 
Broad umbels of pure white flowers with green 
eye. 
