i68 



THE CACTACEAE. 



large, bearing long yellow glochids; spines i to 5, spreading, 2.5 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 locality: Hacienda de Ce- 

 dros, Zacatecas, Mexico. 



Distribution: Zacatecas, Mexico. 



The type of this species is in the U. S. National Herbarium. It is known only from 

 the original collection of Professor F. E. Lloyd, made in 1908. 



Illustrations: Contr. U. S. Nat. Herb. 12: f. 35; pi. 26. 



Figure 207 is copied from the second illustration above cited. 



183(7. Opuntia bonplandii (HBK.) Weber. (See Appendix, p. 223.) 



The three following described species may belong to this series: 

 OPUNTIA BECKERIANA Schumann, Gesamtb. Kakteen 722. 1898. 



The plant on which this species is based was sent to Dr. Schumann from a garden at 

 Bordighera, Italy, and its origin is unknown; Dr. Schumann thought that it might have 



FIG. 207. Opuntia pyriformis. Xo.j. 



