398 A HANDBOOK OF CONIFERS 



withstand more shade than most pines, but eventually full light 

 is required. In the S.E. United States it is regarded as being 

 liliely to become an important forest tree of the future, whilst its 

 graceful habit and luxuriant fohage give it a very ornamental 

 appearance. 



Mohr, The Timber Pines of the Southern United States, 135-140 (1897). 



Pinus Greggii, Engelmann. 

 Gregg's Pine. 



Pinus patula, var. macrocarpa, Masters ; P. patula, var. stricta, Bent- 

 ham. 



A tree 40-50 ft. high, with smooth grey bark except at the 

 base of old trees, where it becomes rough and fissured. Young 

 shoots without down, glaucous at first, greyish buff the second 

 year. Brandilets slender, often with lateral shoots. Winter 

 buds slender, cyUndrical, sharp-pointed, non-resinous, the scales 

 free at the tips. Leaves in threes, bright green, slender, persisting 

 2-3 years, 4-6 in. long, margins finely and regularly toothed, 

 apex short-pointed ; faint stomatic lines on each surface, resin 

 canals median, basal sheath | in. long the first year, I in. the 

 second year. Cones clustered, ovate-conic, 3-6 in. long, irregular 

 in outline, reflexed, tawny yellow in colour, remaining closed on 

 the branches for several years. 



Gregg's pine is closely allied to P. patula, from which it may be 

 separated by the smooth grey bark on the upper part of the 

 trunk. 



A native of Mexico, where it is found on the north-eastern 

 sierras at cool temperate elevations. 



Little is known of the economic properties of P. Greggii, 

 which has no commercial value outside its native country. 



Although too tender for general ornamental planting in the 

 British Isles, this pine would probably grow quite well in the 

 south-west counties of England and in Ireland, or in any place 

 where P. patula thrives. Soil conditions are likely to suit both 

 species ahke. The light, graceful appearance and bright green 

 leaves of P. Greggii make it an attractive object for the garden 

 or pinetum. There are small plants in the Temperate House at 

 Kew, and we have seen it in the open air at Leonardslee where 

 there is a plant about 10 ft. high. 



Shaw, Genus Pinus, 86 (1914). 



Pinus halepensis, Miller. 

 Aleppo Pine. 



Pinus abasica, Carriere ; P. abcharica, Hort. ; P. alepensis, Poiret ; 

 P. arabica, Sieber ; P. australis, Hort. (not Michaux) ; P. colchica, Booth ; P. 

 eldarica, Medwejew ; P. genuensis, Cook ; P. hierosolymitiana, Duham, CI. ; 

 P. liispanica, Cook ; P. maritima, Lambert (not Poiret) ; P. minor, Hort. ; 



