414 A HANDBOOK OF CONIFERS 



and umbrella -shaped cro"vni. Barh of young trees and of the 

 upper parts of old trees, thin, clear grey in colour, shed in patches 

 when old. Winter huds reddish, resinous, with closely pressed 

 scales. Leaves in pairs, 6-8 in. long, resin canals median or with 

 an occasional marginal one. Cones ovate-conic, symmetrical, 

 up to about 2 in. long. Scales with the terminal portions shining 

 nut-brown, transverselj^ keeled. 



Distinguished from other E. Asiatic hard pines by the smooth 

 bark of the J^oung trees. 



Wood very hard and heavy, resembling that of P. Thunbergii. 



The above description is from Mayr's original diagnosis of the 

 species.^ 



Pinus Lumholtzii, Robinson and Femald. 



Pino Bard a Caida. 



A wide, round-headed tree with slender, sub-pendulous 

 branchlets and completely pendulous foHage, Young shoots 

 shining chestnut brown, more or less glaucous. Leaves 8-12 in. 

 long, with finely toothed margins ; resin canals median and 

 internal, rarely external; basal sheath 1-1 j in. long, persistent, 

 chestnut-brown in colour like the buds and branchlets. Cones 

 usualh^ about 2 in. long, ovoid, symmetrical, pendent, on slender 

 more or less curved stalks, falling early ; scales swollen at the 

 summit, dull pale bro^Ti in colour with a darker centre. 



A beautiful pine with remarkably pendent, bright green 

 foliage, which hangs from the under -side of the branchlets like a 

 beard. It resembles P. fatula but has larger cones and more 

 decidedly weeping foliage. 



Native of the W. and N.W. Sierras of Mexico. Unfortunately 

 it is not in cultivation. 



Shaw, Pines oj Mexico, 15 (1909). 



Pinus Massoniana, Lambert. 

 Masson's Pine. 



Pixiiis canaliculata, ]\Iiquel ; P. rubra, ]Miquel (not Michaux, Miller, 

 nor Sieber). 



A tree 30-80 ft. high, with a girth of 6 ft. Bark reddish, 

 resembling that of P. sylvestris. Young shoots glabrous. Leaves 

 in pairs, slender, 6-8 in. long, margins finely toothed, resin 

 canals marginal. Cones ovoid, 1|-2| in. long, falling early ; 

 scales with the terminal portions thickened, nut-brown in colour 

 with a transverse ridge and a slightly raised boss near the 

 apex. Seeds dark brown, i in. long, with a narrow wing | in. 

 long. 



^Bot. Centralbl. Iviii, 149 (1894). 



