
          37900. CELTIS SP. A tree about
30 feet high and sometimes spreading
in habit, related to our native hackberry, 
found growing on the river
banks in Pirapora,Minas, Brazil. The
small, orange-colored fruits, about 
one-fourth inch in diameter, are edible and
eagerly sought after by the boys.

40755. CERATOSTIGMA
PLUMBAGINOIDES. Collected
by F. N. Meyer, near Siku, Kansu,
China. A pretty semi-woody perennial
with deep blue flowers, found in dry,
rocky places and along slate ledges,
at an altitude of 4500 feet above the
sea. Of value as a striking rockery
plant. Adapted to the cooler regions
of the United States.

38601. CEREUS TRIANGULARIS. 
Pitaya. From Guatemala
City, Guatemala, through O. F. Cook.
A climbing cactus with triangular
stem: cultivated in tropical America
for its refreshing fruit which is egg-
shaped and filled with sweet, deep
crimson pulp of the consistency of
watermelon and containing many
small black seeds. Adapted to the
South or southern California.
        