BLUE JULY 
ist Botanical oe Time of 
CalsE oe Nome a Description | Sinction Bloom 
“Steel |RITRO **Echinops Curious plant somewhat resem- July, 
blue” GLOBE Ritro bling a Thistle with flowers in globe- Aug. 
53 colder/THISTLE shaped heads and silvery and bluish 
foliage spiny and downy. Effective 
in wild garden or among shrubs, also 
with other bold plants in the border. 
Prop. by seed and division. Ordinary 
soil. S. Europe. See Plate, page 340. 
**Var. lenuifolius, (E. Ruthémcus),; 
(color no. 53 to 56), the best Globe 
Thistle. S, Russia. 
“Pale ROUND- *Echinops A fine tall species. Woolly thistle- as 
blue” 52 HEADED spherocéph- | like plant. lowers in globe-shaped 
greenish (GLOBE alus heads, sometimes white, on white 
THISTLE stems. Handsome silvery spiny foli- 
age. Plant in wild garden and shrub- 
bery with Bocconias, Eryngiums, etc., 
or naturalize. Prop. by division and 
cuttings. Ordinary soil. Europe. 
“Bright |ALPINE SEA|*Eryngium Odd thistle-like plant. Especially as 
blue” HOLLY alpinum decorative from its steel blue stems 
53 and involucres. One of the most beau- 
tiful of the genus. Oblong flower- 
heads, 3 in. across, from spreading 
blue involucres. Leathery spiny 
leaves. Excellent for subtropical 
effect and in the border. Prop. by 
seed and division. Light soil prefer- 
able. Pastures, Swiss Alps. 
“Ame- |AMETHYST (**Ergngium See page 254 and Plate, page 349. June 
thyst SEA HOLLY |amethfsti- to 
blue” num early 
63 lighter Sept 
“Blue” |BOURGAT’S |*Eryngium Bluish foliage decorative and pun- Mid. 
63 |ERYNGO Bourgati gent. Oval flower-heads with large July to 
involucres. Spiny leaves deeply divid- early 
ed. Prettyin the border or massed in Sept. 
rock-garden. Prop. by seed and divi- 
sion. Soil, light and sandy. Pyrenees. 
“Blue”? |[DANEWEED, ‘Eryngium Foliage ornamental and_ peculiar. sf 
63 lighter, HUNDRED ‘campéstre Roundish flower-heads in panicles. 
THISTLE Deeply divided spiny leaves. Pretty 
for subtropical effect in the border. 
Prop. by seed and division. Light 
sandy soil. Europe. 
“Blue” |FLAT- **Eryngium Roundish flower-heads on steel blue July, 
LEAVED planum stems. Large spiny thistle-like Aug. 
ERYNGO leaves, divided or whole. Excellent 
for subtropical effect in the border. 
Prop. by seed and division. Soil 
light and sandy. E. Europe; N. Asia. 
“Pur- ORIENTAL |*Galega Graceful free - growing shrubby July 
plish GOAT’S RUE orientalis plant. Pea-shaped blossoms in dense 
blue” racemes. Good for cutting. Wild 
46 garden. Prop. by seed and division. 
Any soil, preferably rich loam. 
Caucasus. 
348 
