1050 The Trees of Great Britain and Ireland 



PINUS BUNGEANA 



Pinus Bungeana, Zuccarini, ex Endlicher, Syn. Contf. 166 (1847); Murray, Pines and Firs of Japan, 

 18 (1863); Hance, in Journ. Linn. Soc. (Bot) xiii. 87 (1873); Maximowicz, Mel. Biol. xi. 348 

 (1881) ; Masters, in Gard. Chron. xviii. 8, figs, i, 2 (1882), m. Journ. Linn. Soc. (Bot) xxvi. 549 

 (1902), and xxxv. 590, pi. 23, fig. 10 (1904); Lavallde, Arbor. Segrezianum, in, t. 32 (1885); 

 Kent, Veitch's Man. Conifera, 316 (1900); Mayr, Fremdland. Wald- u. Parkbdume, 372 

 (1906); N. E. Brown, in Bot. Mag. t. 8240 (1909); Clinton-Baker, Illust. Conif. i. 11 (1909). 



Pinus excorticata, Lindley and Gordon, in Journ. Hort. Soc. v. 217 (1850). 



Pinus Napoleoni, Simon, in Bull. Soc. d'Acclim. 1863, p. 281. 



A tree, attaining in China 80 to 100 ft. in height, and 12 ft. in girth. Bark 

 on young trees dark brown, smooth, and scaling off in thin flakes, exposing the 

 whitish inner cortex; in old trees white ^ externally, as if washed with lime and 

 marked by inconspicuous scattered brown lenticels ; on the inner surface it is fawn- 

 coloured and covered with minute resinous depressions. Buds spindle-shaped, 

 brown, about f in. long, slightly resinous ; external scales few, lanceolate, acuminate, 

 free at the tips. Young branchlets glabrous, greenish, with slightly raised pulvini, 

 which disappear in the second year, leaving the surface smooth and greyish green. 



Leaves in threes, with the basal sheaths entirely deciduous early in the first 

 year, remotely placed on the branchlets, persisting three or four years, about 3 in. 

 long, rigid, curved, serrulate, sharp-pointed, marked with stomatic lines on the three 

 surfaces ; fibro-vascular bundle undivided ; resin-canals four, marginal. 



Staminate flowers in a loose spike, about 4 in. long ; each flower |- in. long, girt 

 at the base by ovate-triangular acute bracts. 



Cones, solitary or in pairs, sub-terminal, though often becoming apparently 

 lateral by the growth of a summer shoot, on stout short stalks ; globose-ovoid, 2 to 

 2 J in. long ; scales small at the base of the cone and unfertile, well-developed in the 

 centre and about |^ in. long and ^ in. broad ; apophysis brown, rhomboidal, with a 

 transverse ridge near the upper margin ; the narrow umbo terminating in a short 

 triangular spreading or reflexed prickle. Seeds, one or two on each scale, brownish, 

 pear-shaped, f in. long, ^ in. wide and thick, the testa produced into a narrow rim 

 on each side and a short lacerated wing above, deciduous when the seed falls, 

 incapable of flight, out of the cone. 



This remarkable pine occurs wild in the mountains of northern China, where 

 Mayr observed it growing on stony slopes ; and it has recently been found 

 by Wilson^ south-west of Ichang in Hupeh, on precipitous mountains at an altitude 

 of 2000 to 4000 ft. He saw many hundreds of trees scattered for miles, evidently 

 the remains of a considerable forest. Many of these trees were curved at the 

 butt, a few being branched near the ground. It was also collected in northern 

 Shensi, by Pere Giraldi,^ who reports it to be a rare tree 30 to 40 ft. high. It 



> Mayr states that the bark is dazzling whitish-blue on the sunny side of the tree and greenish-white on the shady side. 

 The name "lace-bark pine" occasionally given to the species is inappropriate. 



2 Qard. Chron. xli. 422 (1907). 3 Note in Botanical Museum at Florence. 



