254 PINUS; OR 



recurved at the point. Scales, rhomboid, flat, transversely ele- 

 vated by a slight ridge across the middle, forming an angled 

 protuberance, slightly depressed in the centre, and of an ash- 

 grey colour. 



A fine tree, upwards of 100 feet high, resembling in appear- 

 ance Pinus Russelliana, found upon the high mountains about 

 Toluca in Mexico, at an elevation of 10,000 or 11,000 feet. 



No. 118. Pinus Lerdoi, Roezl, Lerdo's Mexican Pine. 

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



Leaves, in fives, three-edged, glaucous, and from four to five 

 inches long ; sheaths, deciduous. Cones, pyramidal, two inches 

 and a half long, and one inch and a quarter in diameter. Scales, 

 rounded at the summit, six lines broad, and five lines long ; 

 protuberance, of a deep brown colour, and provided with a 

 sharp point in the centre, easily rubbed off by a slight touch. 



A tree, growing from fifty to sixty feet high, with very long 

 spreading branches, regularly placed in whorls along the stem, 

 and with a striking and parasol appearance. It is found growing 

 on the southern or opposite side of the mountain to Ajusco, in 

 Mexico, at an elevation of about 11,000 feet. (? Pinus leio- 

 phylla.) 



No. 119. Pinus Lowi, Roezl, Low's Mexican Pine. 

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



Leaves, in fives, stiff, erect, three-edged, and six inches long ; 

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

 pyramidal, slightly bent, four inches and a half long, and one inch 

 and three-qvarters broad. Scales, very irregular in appear- 

 ance, sometimes rhomboid, slightly rising at the summit, and 

 depressed at the base ; protuberance, tolerably large, and slightly 

 elevated. 



A tree upwards of 100 feet high, with the branches stiff and 

 tufted ; found on the mountains of Mexico. 



Named in compliment to Mr. Low, of the Clapton Nursery. 



