THE TRUE PINES. 2G1 



to two inches in diameter. Scales, small, rounded on the top, 

 with the protuberance in the form of an eye. 



A superb tree, growing seventy or eighty feet high, with its 

 branches and leaves in tufts, and very robust, forming a beauti- 

 ful head, and one of the most elegant of Mexican Pines ; found 

 upon Mount Ajusco, in Mexico, at an elevation of 10,000 or 

 11,000 feet. (? Pinus Lindleyana.) 



No. 136. Pinus Rohani, Roezl, Rohan's Pine. 

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



Leaves, in fives, three-edged, and ten inches long ; sheaths, 

 one inch and a quarter long, and silky. Cones, curved, six 

 inches and a half long, and two inches broad. Scales, large, 

 one inch broad, and three-quarters of an inch long, rising in 

 the middle, thickened at the edges, and flattened towards the 

 apex of the protuberance, which is very little distinguished by 

 its colour. 



A lofty and striking tree, found near San Rafael, in Mexico, 

 at an elevation of 8,000 feet. 



M. Roezl distinguishes a variety of this kind by its having 

 much longer leaves. (I Pinus Russelliana.) 



No. 137. Pinus rubescens, Roezl, the Reddish-barked 



Mexican Pine. 



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



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

 sheaths, reddish, scaly, soft, and one inch and a half long. 

 Cones, straight, depressed at the base, from six to eight inches 

 long, and two inches broad. Scales, thick, quadrangular, trans- 

 versely keeled, raised highest in the centre, three-quarters of an 

 inch broad, and the same in length ; protuberance smooth, with 

 a small recurved point in the middle. 



A tree from 80 to 100 feet high, with the bark of the trunk 

 and branches of a very reddish colour. Branches, large, and 

 curving upwards at the points. It is found growing about San 

 Augustin, in Mexico, at an elevation of 8,000 feet. 



