Refugium Botanicum.] [Pebruary, 1869. 
TAB. 61. 
15. C. atauca (Baker). Acaulis, glabra, foliis dense rosulatis, obovato- 
cuneatis, ultra duplo longioribus quam latis, apice rotundatis, con- 
spicue mucronatis, deorsum e basi tertii superioris cuneato-angus- 
tatis, utrinque farinoso-glaucis, demum margine paullulum rubro 
tinctis, ramorum floriferorum subnullis, floribus 12—20 in race- 
mum secundum deorsum laxum dispositis, bracteis oblongis pedicel- 
lis erecto-patentibus brevioribus, sepalis sequalibus lanceolatis ascen- 
dentibus, corolla rubro-aurantiaca duplo brevioribus. — H’cheveria 
glauca, Hort. 
Mexico. 
Glabrous, not at all or very shortly caulescent, densely stolo- 
niferous from the crown of the root. The leaves forty to fifty in 
a very dense rosette, the outer ones almost horizontal, quite two 
inches long by three-fourths to seven-eighths of an inch broad 
five-sixths of the way up, the point more or less rounded to a 
decided mucro, the lower three-quarters cuneately narrowed, 
both sides extremely glaucous, only the edges of the fading 
leaves a little tinged with red. Flowering branches a foot high, 
slender, terete, pinkish glaucous, with only a few distant small 
bract-like leaves. Flowers twelve to twenty in a secund raceme 
which is finally four to six inches long. Bracts ovate-oblong, 
two lines long. Pedicels, sepals and corolla just as in C. secunda. 
on RACISM oF 
A very pretty compact dwarf-growing species, requiring a dry 
and light situation in the greenhouse during the winter, and 
during the summer it does very well in the open air, growing 
freely on rock-work, or as an edging, in which situation, from its 
glaucous appearance, it produces a very pleasing effect. It is 
easily increased by offsets and seeds. The plant originally came 
to me from Mons. Van Houtte’s nursery at Ghent.—W. W. S. 
