290 PIN US, OR 



with short sheaths. Cones oval-pointed. Scales pyramidally 

 developed, protuberance large and recurved. 



A tree of modei-ate size, with the stem covered with smooth 

 bark, found by Emeroy on the high Cordilleras of California. 



No. 57. Pinus PsEUDO-TiEDA, Tenore, the False Tseda Pine. 



Leaves slender, rigid, and from four to six inches long, with 

 fringed sheaths one-third of an inch long. Cones oval, solitary, 

 and two inches long and one inch broad. Scales pyramidal, de- 

 pressed, and with a straight or slightly curved awn one line 

 long. 



This kind, according to Professor Tenore, differs from Pinus 

 Tseda in the leaves being more slender and the cones much 

 smaller. (Probably Pinus serotina.) 



Section III. QUIN/E, or those kinds having five leaves 



IN EACH SHEATH. 



No. 58. Pinus Apulcensis, Lindley, the Apulco Pine. 

 Syn. Pinus Acapulcensis, Don. 

 Zacatlana, Roezl. 

 Astecaensis, Roezl. 



Leaves in fives, slightly curved, slender, blunt-pointed, six 

 inches long, much undulated, and of a deep glaucous green. 

 Sheaths rather long, silky, and imbricated. Branches short, 

 rather robust, irregular, few, ascending at the points, and of a 

 glaucous violet colour on the younger parts. Cones ovate- 

 conical, widest at the base, four inches long, and two inches 

 and a half wide near the base ; glossy, pendulous, and growing 

 in whorls; surface very hard, and full of resinous matter. 

 Scales very rugged, unequally four- sided, pyramidal, straight, or 

 sometimes prolonged into a curved beak, particularly those 

 nearest the base ; the larger ones measuring three-quarters of 

 an inch across. Seeds rather small, with oval-shaped wings 

 one inch long. 



