. Carnegie Institution of Washington publication. i68 THE CACTACEAE. large, bearing long yellow glochids; spines i to 5, spreading, to 5 cm. long, yellow, lighter above, flattened; flowers said to be yellow; fruit red, juicy. Type locality: San Francisco Mountains to Cactus Pass, Arizona. Distribution: Northern Arizona. This species has long been wanting or poorly represented in our great herbaria. Dr. Rose collected it near Flagstaff, Arizona, and the above description is largely drawn from his notes; but his material was lost. In 1913 it was again collected by Mr. E. A. Goldman. Illustra
. Carnegie Institution of Washington publication. i68 THE CACTACEAE. large, bearing long yellow glochids; spines i to 5, spreading, to 5 cm. long, yellow, lighter above, flattened; flowers said to be yellow; fruit red, juicy. Type locality: San Francisco Mountains to Cactus Pass, Arizona. Distribution: Northern Arizona. This species has long been wanting or poorly represented in our great herbaria. Dr. Rose collected it near Flagstaff, Arizona, and the above description is largely drawn from his notes; but his material was lost. In 1913 it was again collected by Mr. E. A. Goldman. Illustration: Pac. R. Rep. 4: pi. 6, f. 4, 5. Figure 205 is copied from the illustration above cited. 182. Opuntia Canada Griffiths, Rep. Mo. Bot. Card. 20: 90. 1909. Plant about i meter high, with many erect or ascending branches, forming a broad top; joints ovate to obovate, 16 to 22 cm. long, smooth, and shining; leaves subulate, i cm. long; spines various, white to yellow, flattened, sometimes twisted; glochids few on young joints, very abundant on old ones; flowers yellow with red or orange centers; style white to reddish; stigma-lobes green; fruit red. Type locality: Foothills of the Santa Rita Mountains, Arizona. Distribution: Southeastern Ari- zona. Dr. Griffiths comments on the close relationship of this plant to 0. laevis. Illustrations: Rep. Mo. Bot. Card. 20: pi. 2, f. 6; pi. 6, in part; pi. 13, f. 2,12. Figure 206 is copied from the second illustration above cited. 183. Opuntia pyriformis Rose, Contr. U. S. Nat. Herb. 12:292. 1909. Plant 3 to 5 meters high, with widely spreading branches, the lower ones almost resting on the ground and 3 to 5 meters long; joints obovate, thick, 18 cm. long or more; areoles closely set, small; spines i or 2, on old joints more, usually reflexed, slender, weak, yellow, 10 to 22 mm. long; flowers yellow; fruit 4 cm. long, some- what tuberculate, spineless, its large are- oles crowded with brown hairs forming hemispherical cushions. Type local
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