590 DR. M. T. MASTERS: GENERAL VIEW 
21. Pinus anistata, Engelmann; Sargent, Silva, xi. (1897) 
p- 68, tab. 554. 
The principal difference between this species, if species it be, 
and P. Balfouriana resides in the cones, which are somewhat 
smaller, ovoid-conic rather than oblong-conic, their apophyses 
less prominent, and provided with a long, slender awn. The 
seed-wings also are smaller and less oblique. In P. aristata there 
is usually only one resin-canal immediately beneath the epi- 
dermis in the centre of the dorsum of the leaf, whilst in 
Balfouriana there are two, in the centre of the mesophyll, or 
beneath the epidermis. [See also A. Murray, in Gard. Chron., 
Oct. 30, 1875.] The cotyledons are 6-8. 
22. P. Bunerana, Zuccarini. Cfr. Masters, in Journ. Linn. 
Soc., Bot. vol. xxvi. (1902) p. 549, for bibliographical references. 
A curious species occurring on the mountains of North China 
and also in Hupeh and Shensi. 
The bark of mature specimens is milky-white. The leaf- 
sheaths are deciduous; the leaves in tufts of 3, each 6-8 cent. 
long, three-sided, obscurely serrulated, dorsum convex, without 
stomata, sides flattish, with 4-5 rows of stomata; transverse 
section elliptic, slightly keeled anteriorly, acute at the angles ; 
hypoderm ina single layer; cortex or mesophyll of several layers 
of straight walled (not infolded) cells, the innermost oblong, 
radiating from the centre; endoderm-cells about 22, oblong ; 
resin-canals marginal, surrounded by stereome-cells, meristele 
elliptic in section, fibro-vascular bundle unbranched (see Pl. 23. 
fig. 10). Cones oblong-conic, apophysis wrinkled, umbo curved, 
subulate. Male flowers capitate, each flower about 25 mill. long. 
Cotyledons 11-12. 
The tree is cultivated at Kew, where it has produced cones. 
23. P. Grrarprana, Wallich; Parlatore, in DC. Prod. xvi.’ 
p- 391; Brandis, Forest Flora, t. 67; Hook. f. in Flora 
Brit. India, v. p. 652; Gamble, Indian Timbers, ed. 2 (1902), 
p-. 709. 
In this curious Pine the bark flakes off in irregular slabs, as 
in the Plane-tree (Platanus). Its edible nuts are largely used 
as food by the natives of Afghanistan. Reference to it will be 
found in the late Surgeon-Major Aitchison’s paper on the Flora 
of the Kuram Valley, in the Journal of the Linnean Society, 
vol. xvili.; and in Duthie’s Report of a Tour in Kashmir (1893). 
