18 THE CACTACEAE. 
Illustrations: Cact. Mex. Bound. pl. 36; Gartenwelt 1: 89; Curtis’s Bot. Mag. 125: pl. 
7688, as Cereus viridiflorus; Forster, Handb. Cact. ed. 2. 813. f. 106; Cact. Journ. 2: 19; 
Britton and Brown, Illustr. Fl. 2: 460. f. 2522; ed. 2. 2: 569. f. 2981; Monatsschr. Kakteenk. 
15:57; Schelle, Handb. Kakteenk. 129. f. 60; Gartenwelt 4: 159; Blanc, Cacti 59. No. 842. 
Plate 1, figure 4, shows a flowering plant sent to the New York Botanical Garden 
by Dr. Rose from Syracuse, Kansas, in 1912. Figure 17 is from a photograph of a plant 
from Colorado Springs collected by F. W. Homan in 1912. 
22. Echinocereus grandis sp. nov. 
Stems usually single or in small clusters, sub-cylindric, 1 to 4 dm. high, 8 to 12 cm. in diameter; 
ribs 21 to 25, low; areoles large, longer than broad, about 1 cm. apart; spines dull white or cream- 
colored, rather short and stiff, the radials 15 to 25, the centrals 8 to 12, often in 2 rows; flower 5 to 6 
cm. long, unusually narrow, with a short limb; ovary and flower-tube densely clothed with clusters 
of pale, straw-colored spines intermixed with white hairs; outer perianth-segments white, with a 
green medial line; inner perianth-segments narrow, 1.5 cm. long, white with green bases; filaments 
green; style white; stigma-lobes green; fruit densely spiny. 
Fic. 18.—Echinocereus grandis. 
Fic. 19.—Echinocereus dasyacanthus. 
Collected on San Esteban Island in the Gulf of California, April 13, 1911, by J. N. 
.; hnston i . , 
4198) ; and on Nolasco Island by Mr. Johnston (No. 5137). “ston in t92t (Nos. 3541 
e New York Botanical Garden in I9I2; 
three plants were grown in the Cactus House, U. S. Department of Agriculture, in 1913. 
of one of which a photograph was taken. 
Plate 111, figure 3, shows a flowering plant sent by Dr. Rose to the New York Botanical 
Garden from the type locality in . : 
plants which bloomed in Washington. '. Figure 18 is from a photograph of one of the 
