ADDISONIA : . . sgt 
(Plate 48) 
DUDLEYA BRANDEGEI 
Brandegee’s Dudleya 
Native of Lower California 
Family CRASSULACEAE OrPINE Family 
Dudleya Brandeget Rose, Bull. N. Y. Bot. Gard. 3:21. 1903. 
The dense rosette is composed of twenty or more lanceolate, 
entire, acute leaves; these are light green, in age becoming bronzed, 
and are two to six inches long. ‘The flo ering stems are either 
erect or spreading, or even prostrate, slender, four to fifteen inches 
long, simple or with a few strict branches, each branch bearing a 
secund raceme. ‘The stem-leaves are small and ovate. ‘The lower 
corolla is greenish yellow, parted, one half an inch or more long, 
with nearly erect lobes. ‘The ten on stamens a included. The 
ve carpels are erect : 
The specimen here figured was collected by J. N. Rose at San 
Bartolome Bay, Lower California, while cruising on the’U. S. Fish- 
eries Steamer Albatross in 1911, and flowered in the New York 
Botanical Garden February 18, 1915. This plant was found on the 
dry rocky cliff and had little indication of life. It was collected and 
remained out of the soil fully two months. 
The genus Dudleya contains about sixty species, all confined to 
the west coast of North America, extending from northern California 
to the southernmost point of Lower California. A few of the species 
extend inland, one or two being found in Arizona. ‘They prefer, 
however, sandy shores and rocky cliffs, often coming directly under 
the influences of the ocean spray. Several species have long been 
in cultivation, but they are usually listed under the generic name 
Echeveria or Cotyledon. 
J. N. Rose. 
EXPLANATION OF Prats. Fig. 1.—Plant, reduced. Fig. 2.—Rosette. 
Fig. 3.—Branch of inflorescence. Fig. 4.—Corolla opened, exposing stamens. 
