. Carnegie Institution of Washington publication. I8 THE CACTACEAE. Illustrations: Cact. Mex. Bound, pi. 36; Gartenwelt 1: 89; Curtis's Bot. Mag. 125: pi. 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 II, 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
. Carnegie Institution of Washington publication. I8 THE CACTACEAE. Illustrations: Cact. Mex. Bound, pi. 36; Gartenwelt 1: 89; Curtis's Bot. Mag. 125: pi. 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 II, 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 em. 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, cm. long, white with green bases; filaments green; style white; stigma-lobes green; fruit densely Fig. 18.—Echinocereus grandis. Fig. 19.—Echinocereus dasyacanthus. Collected on San Esteban Island in the Gulf of California, April 13, 1911, by J. N. Rose (No. 16823); on San Lorenzo Island by Ivan M. Johnston in 1921 (Nos. 3541, 4198); and on Nolasco Island by Mr. Johnston (No. 3137). This plant was very common in a dry creek bed and in an adjoining valley as well as on the low hills on the Island of San Esteban, which Dr. Rose visited in 1911. Many fine plants were collected. One flowered in the New York Botanical Garden in 1912; three plants were grown in the Cactus House, U. S. Department of Agriculture, in 1913, of one of whi
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