230 



PINUS ; OR 



younger ones ascending. Sheaths, more than an inch long on 

 the young leaves, scaly, and a little wrinkled and jagged at the 

 ends; older ones much torn, very short, rough, and loose. 

 Branches, very robust, curved upwards at the ends, and nume- 

 rous ; lateral ones, stout, short, and twisted. Buds, large, 

 rather obtuse, and covered with close, light brown, non-resinous 

 scales. Cones, from six to seven inches long, and two inches 

 in diameter near the base, regularly conical, a little curved and 

 tapering to a regular point. Scales, numerous, small, three- 

 quarters of an inch across, regularly rhomboid, nearly flat, or 

 slightly tuberculated on the top, or with a slightly-elevated 

 transverse ridge across the centre, a little sunken in the middle, 

 and furnished with a stout blunt prickle in the centre, of a dark 

 brown colour. Seeds, small, with rather a long narrow wing. 



A tree, growing fifty feet high, with a bushy appearance, 

 found near the ' Sumate' on the Mountains of Mexico, and 

 very distinct from Pinus Montezuma. 



It is quite hardy. 



No. 75. Pinus Loudoniana, Gordon, Mr. Loudon's Pine. 

 Syn. Pinus Ayacahuite macrocarpa, Hartweg. 

 „ ,, „ colorada, Ehrenberg. 



„ „ sp, like Ayacahuite, Loudon. 

 „ „ Popocatepetli, Roezl. 

 „ ,, Pon Pedri, Roezl. 



Leaves, in fives, and like those of Pinus Ayacahuite, very 

 glaucous, but much stouter, from five to six inches long, and 

 angular on the inner face. Sheaths, composed of very long, 

 linear, acute-pointed scales, which soon curl up and fall off. 

 Branches, in whorls, slender and horizontal, lateral ones long, 

 very slender, little divided and drooping. Cones, quite straight, 

 and tapering to the point, from twelve to fourteen inches long, 

 and from three to four inches in diameter a little above the base. 

 Scales, from one inch and three-quarters to two inches broad, 

 and one inch long in the exposed part ; slightly curved at the 

 points in the upper ones, but much more so on those near the 



