36 WEST-AMERICAN 



oval, 2f inches long, 1 J thick, scales with a prominent 

 umbo, which, in the lower ones, is recurved, and 

 armed with a small, recurved prickle. On the highest 

 mountains of Arizona and northern Mexico. Firs.t 

 detected by Dr. Rothrock, in the Santa Rita Moun- 

 tains, 1874. 



No. 17 Broad-Leaved Pine 



P. latifulia, Sargent, 1889. 



Medium-sized trees, with dark, deeply furrowed 

 bark, and tortuous branches; leaf-bracts f inch long 

 with scarious, lasciniate margin; leaves 12 to 16 

 inches long and about 1 line wide; cones ovate, ob- 

 lique, 3 to 5 inches long, the scales with recurved 

 apophyses and stout, projecting, mammillary umbos 

 tipped with slender prickles. Discovered by Dr. 

 Henry Mayer, 1887, in the Santa Rita Mountains, 

 southern Arizona. A few trees in the Huachuca 

 Mountains, southward. 



No 18 Apache Pine P- Apacheca, Lemmon. 



(ERYTHEA, Vol. II., No. 6, June 1, 1894.) 

 Yellow-barked trees of medium size, with robust 

 branchlets, large and long leaves 10 to 14 inches, 

 their bracts long and lasciniate; cones ovate, 3 to 5 

 inches long, the scales few, large, the apophysis prom- 

 inently elevated, but not recurved, the umbo quad- 

 rangular, armed \vith a stout, deltoid spreading 

 prickle. Abundant on the Apache-infested, Chirri- 



