THE TRUE PINE8. 267 



No. 150. PiNUS WiLSONi, Roezl, Wilson's Mexican Pine. 

 (Discovered by M. Roezl in 1856-7.) 



Leaves, in fives, six inches long, three-edged, outer side 

 larges and round, very stiff and glaucous. Cones, straight, 

 conical, four inches long, and two inches broad. Scales, half 

 an inch broad, and four lines long, of a rich shining brown 

 colour ; protuberance a little projecting and light grey. 



It is found growing about Pachuca, in Mexico^ at an elevation 

 of 8,000 feet. ( ? Pinus Montezuma.) 



No. 151. Pinus Zacatlan^e, Roezl, the Zacatlan Pine. 

 (Discovered by M. Roezl in 1856-7.) 



Leaves, in fives, slightly curved, and from eight to ten inches 

 long I sheaths, three-quarters of an inch long, and silky. 

 Cones, three inches and a half long, and two inches and a half 

 in diameter, and of a regular conical shape. Scales, large, one 

 inch broad, and nine-tenths of an inch long, transversely keeled, 

 slightly rounded at the top, and of a reddish-brown colour ; 

 protuberance oval, very glossy and smooth. 



This tree resembles P. Aztecaensis, in general appearance, 

 but differs in its more short, stiff", horizontal leaves and much 

 smaller cones. 



It is found growing in the region of Zacatlan, in Mexico. 

 (? Pinus Apulcensis.) 



No. 152. Pinus Zitacuaria, Roez, the Zitacuaro Pine. 

 (Discovered by M. Roezl in 1856-7.) 



Leaves, in fives, slender, and from ten to twelve inches long j 

 sheaths, from one inch and a quarter to one and a half long, 

 and silky. Cones, curved, tapering towards the base, upwards 

 of ten inches long, and two inches and a half in diameter. 

 Scales, quadrangular, pyramidal ; protuberance elevated and 

 obtuse, with a stout short mucro at the apex. 



A fine tree, of great beauty, growing from 90 to 100 feet high, 

 regularly furnished with very straight branches, spread out 

 horizontal. It is found near Zitacuaro, in Mexico, at an eleva- 

 vation of 8,000 or 9,000 feet. ( ? Pinus Devoniana.) 



