256 piNUs ; OR 



thickened at the base, one inch across, and three quarters of an 

 inch long, with a transverse ridge across the centre, highest in 

 the middle, and flattened at the base, the protuberance seldom 

 projecting or elevated, but terminated with a large stiff point. 



A large tree, from 100 to 110 feet high, with straight hori- 

 zontal branches regularly placed along the stem. It is found 

 growing along the western slopes of the mountains of Ixtaci- 

 huatl, in Mexico, at an elevation of 9,000 feet. 



■»* 

 No. 123. PiNUS Monte-Allegri, Roezl, the Monte Allegro 



Pine. 

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



Leaves, in fives, slender, glaucous, and five inches long ; 

 sheaths, scaly, and deciduous, or soon falling off. Cones, pyra- 

 midal, rather more than two inches long, and one inch and a 

 quarter broad. Scales, flat ; protuberance a little thickened at 

 the base, and terminated by a very acute point. 



A fine tree, growing upwards of 100 feet high, with a large 

 trunk, and long spreading curved branches rising up towards 

 the ends, and with the leaves in tufts at the ends of the shoots. 

 It is the most elegant of the Mexican Pines, and was found 

 growing in the environs of Xochiltepec (Mountain of Flowers), 

 near to Zitacuaro, in Mexico, at an elevation of 9,500 or 10,000 

 feet. (? Pinus leiophylla.) 



No. 124. Pinus NESSELRODiANA,i?oez/, Count Nesselrode's Pine. 

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



Leaves, in fives, twelve inches long, a little stiff, and three- 

 edged on the inner side ; sheaths, one inch and a quarter long, 

 and silky. Cones, six inches long, and two inches broad. 

 Scales, rhomboid, a little rounded on the top, with a transverse 

 ridge across the middle, highest in the centre ; pi'otuberance, 

 large and elevated. 



A most beautiful tree, on account of its fine long leaves, being 

 in tufts or bundles at the ends of the shoots, and the branches 

 being very regularly placed along the stem. It is found on the 



