DRACOCEPHALUM. 
D. luteola has convex downy pods, twisted in fruit ; the whole plant 
is grey, some 6 to 12 inches high, with yellow flowers of bright clear 
colour set on a number of short spikes (it is also D. lutea, D. subalpina). 
D. oligosperma is probably worthless, having leaves rosetted at the 
base of the 3-inch stems, which end in white flowers. And all white- 
flowering Drabas (except D. Dedeana and its forms) are to be severely 
distrusted. In white, Draba, like most Cruciferae, is inexhaustibly 
prolific of obscure and worthless weeds. 
D. radicata is hoary and woody, with diffuse shoots that end in 
graceful stems of large pale-yellow blooms carried above the huddled 
rosettes of narrowly spoon-shaped leaves. (Quito Andes, 12,000 feet.) 
D. saximontana is very near D. andina, but has quite narrow leaves, 
instead of rather broad ones. It is possibly nothing more than our 
old friend D. alpina in a new form, or perhaps a similar old friend, 
D, glacialis. 
D. spectabilis, from the Alps of Southern Colorado and New Mexico, 
is also D. oxyloba. Wt has quite green but rather downy leaves, 
narrowly obovate, set on woody trunks; and branches reaching from 
4 to 16 inches, carrying showers of large yellow blossom. 
D. streptocarpa is about 2 inches to half a foot high, clothed in grey 
down, and sending up many stems of white flowers. (Alps of New 
Mexico, &c.) 
D. surculifera dwells on cliffi-sides in Wyoming. It has large 
thin leaves and spikes of white often more than a foot high, and often 
much less. : 
D. violacea is a foot-high bushling from some 14,000 feet in the 
Colombian Andes (Assuay), with large flowers that break the family 
record by being of a fine violet. 
Dracocephalum.—In this race there are many border plants, 
not here to be noticed. The rock-garden admits, however, D. nutans, 
a leafy species, rather inclined to creep and form masses, with 9-inch 
stems in June crowded with leaves, and rather nodding flowers of 
blue-violet. D. austriacum has finer foliage, neat and narrow, with 
large Snapdragons of blue, on stems of often more than a foot, while 
yet finer in the blossom and with undivided leaves, is D. Ruyschianum, 
with a white flowering variety, D. japonicum. Neither the names, 
however, nor the descriptions are quite solid ; possibly to this, and 
possibly to D. austriacum, pertains a singularly beautiful species of 
fine frail wiry habit with stems of 6 or 9 inches and very large flowers, 
in scattered whorls, of the most soft and lucent lavender-blue, which 
may be seen here and there gleaming at sundown like a cold flame 
in open places of the high moors going up to Ikao in the mountains of 
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