266 PINUS ; OR 



inch and three-quarters long, and very silky. Cones, curved, 

 six inches long, and two inches broad in the widest part. Scales, 

 thickened at the base, quadrangular, very level horizontally, with 

 a slightly elevated ridge transversely, very depressed in the centre, 

 and delicately rayed ; protuberance broad and nearly level. 



A tree growing from 90 to 100 feet high, with horizontal 

 spreading branches, rising again towards the points ; found 

 near the Hacienda de Tomacoco in Mexico. 



No. 148. PiNUS Van-Houttei, Roezl, Van-Houtte's Mexican 



Pine. 

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



Leaves, in fives, from ten to twelve inches long, and three- 

 sided ; sheaths, silky, and about an inch long. Cones, pyra- 

 midal, six inches long, and one inch and three-quarters in dia- 

 meter I seldom recurved. Scales, small, irregularly shaped, 

 with a slight transverse rib across the centre ; protuberance de- 

 pressed, with a sharp point in the middle, easily detached. 



A tree from 80 to 100 feet high, with its leaves forming one 

 dense mass, or plume, at the ends of the branches, each branch 

 having a crown or group of four or five cones, and assuming a 

 very curious appearance. 



Its habitat is on the reverse side of the mountain of Ajusco, 

 on the declivity of the Pacific, at an elevation of 9,000 or 

 10,000 feet. 



No. 149. PiNTis VERRUCOSA, Roezl, the Warted-scaled Mexican 



Pine. 

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

 Leaves, in fives, straight, glaucous, and from three to four 

 inches long ; sheaths, deciduous, or falling off when young. 

 Cones, two inches long, and one inch and a half in diameter. 

 Scales, warted, rounded on the summit, and of a bright grey 

 colour ; protuberance slightly projecting, and glossy brown. 



This species is much the smallest in its group, and grows at 

 a little higher elevation, on the Huisquiluca Mountains in 

 Mexico, thiin any of the other Pines in that locality. ^ ( ? Pinus 

 leiophylla.) / 



