268 PINUS, OR 



bone or scar on the lower ones a little prominent and pointless, 

 and the upper ones with a short straight mucro. 



A moderate-sized tree, frequently found about the Havannah, 

 and on the eastern part of the island of Cuba. 



It is quite tender. 



No. 34. PiNUS Engelmanni, Carriere, Engelmann's Pine. 

 Syn. Pinus macrophylla, Wislizenus. 



Leaves in threes, but sometimes in fours, and very rarely in 

 fives, from 13 to 15 inches long, clustered at the ends of the 

 shoots, partially glaucous, keeled on all faces, and serrulated on 

 the edges. Sheaths at first long, scaly, jagged at the ends, and 

 one inch long, but afterwards much lacerated and shorter. 

 Cones four inches long, and one inch and a half in diameter 

 near the base. Scales conical, with a bent spiny mucro on the 

 summit 



A fine tree, common on the higher mountains of Cosihuiriachi, 

 in North Mexico, growing 70 or 80 feet high, very much re- 

 sembling the Swamp Pine of the United States, but differs in 

 having much smaller cones, and in the leaves being three, 

 four, and five in a sheath. 



No. 35. Pinus Gerardiana, Wallich, Captain Gerard's Pine. 

 Syn. Pinus Neoza, Govern. 

 Cbilghosa, Elphinstone. 

 Aucklandii, Loddiges. 



Leaves in threes, stiff, three-edged, stout, and bluntly termi- 

 nating in a short point ; from three to five inches long, of a 

 bluish-green colour, and glaucous when young. Sheaths short 

 at first, and composed of dry, reddish-brown scales, but soon 

 rolling up and falling off. Branches ascending, lower ones 

 spreading. Branchlets short, rather slender, and confused. 

 Cones ovate, oblong, or somewhat cyiindrical ; widest at the 

 base, from six to eight inches long, and from 12 to 14 inches in 

 circumference near the base, and of a bluish colour when young. 



