260 PINUS ; OR 



ground. It grows on the opposite side of the mountain "uest 

 from Iztacihuatl, at an elevation of 8,000 or 9,000 feet. (? Quite 

 new.) 



No. 135. PiNus RicHAKDiANA, Roezl, Richard's Pine. 

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



Leaves, in fives, very stiff, and from five to six inches long ; 

 sheaths, rather more than half an inch long, and silky. Cones, 

 pyramidal, four inches and a half long, and two inches in diame- 

 ter. Scales, large, one inch broad, and half an inch long, and 

 very depressed at the base; protuberance, large, and level. 



A tree, growing from 100 to 120 feet high, on the more ele- 

 vated parts of Mount Ajusco, in Mexico, at an elevation of 

 11,000 or 12,000 feet. 



No. 134. PiNUS RiNzi, Roezl, Rinz's Mexican Pine. 

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



Leaves, in fives, slender, three-edged, and from nine to ten 

 inches long ; sheaths, yellowish, silky, and one inch and a 

 quarter long. Cones, six inches long, and from two to two 

 inches and a half in diameter, quite straight, and a little de- 

 pressed at the base. Scales, very irregularly shaped, one inch 

 and a quarter broad, three quarters of an inch long, raised up, 

 or thickened on the edges, and depressed on the centre ; pro- 

 tuberance, swelled in the middle, and furnished with a little 

 round prickle. 



It is found in the North-west part of the province of Michoa- 

 can, in Mexico. 



Named in compliment to M. Rinz, of Frankfort. (?Pinus 

 Russelliana.) 



No. 135, PiNUS ROBUSTA, Roezl, the Robust Mexican Pine. 

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



Leaves, in fives, six inches long, very stifi", and three-edged ; 

 sheaths, six lines long. Cones, straight, pyramidal, with short 

 footstalks, five inches long, and from one inch and three quarters 



