50 BULBS AND TUBEROUS-ROOTED PLANTS. 
There are many so-called species, but what the 
specific differences are is rather hard to define. Varie- 
ties would seem the more correct term to use. Of these, 
the following are the most desirable. 
C. albus (Cyclobothra alba).—This is one of the 
most beautiful of this genus; snow white, with a rich 
blotch. 
C. pulchellus (Cyclobothra).—Flowers drooping, 
globose, colored yellow with greenish purple markings. 
See the lower flowers in engraving on Page 43. 
- C. purpureus (Cyclobothra).—A very pretty spe- 
cies with purple flowers. 
C. luteus.—Rich yellow, with crimson patch and 
a blotch of greenish sulphur at the base of each petal. 
C. Benthami.—Yellow, with numbers of brown 
spots at the base. 
C. macrocarpus.—Deep purple lilac; peculiar 
and rich. 
C. Greenii.—Fine large lilac, splashed and coy- 
ered with orange; rich and striking. 
C. splendens.—Blue and white; large and showy. 
C. magenteus.—White, marked with rosy red. 
C. venustus.—This is often called the California 
tulip; handsome white flowers, with a yellow base 
stained with crimson. 
C. Nuttallii.—White, blotched with purple. Syn. 
with C. Leichtlinit. 
CALOSCORDUM. 
A very pretty bulb from Chusan, producing its 
umbels of rose-colored flowers, in the manner of the 
Nerine. It requires the same treatment as the Calo- 
chortus. 
CALOSTEMMA, 
A small genus of handsome greenhouse bulbs from - 
New Holland. The flowers are funnel-shaped, yellow, 
