79 (not Linnaeus).
1845 P. Merkusii De Vriese, Pl. Nov. Ind. Bat. 5, t. 2.
1847 P. Finlaysoniana Wallich ex Blume, Rumphia, iii. 210.
1849 P. Latteri Mason in Jour. Asiat. Soc. i. 74.

Spring-shoots uninodal. Leaves binate, slender, from 15 to 20 cm. long,
the hypoderm of uniform thick-walled cells, resin-ducts medial, or with
internal or septal ducts, endoderm-cells very unequal in size, some of
them large. Conelets unarmed. Cones from 5 to 8 cm. long, peculiarly
narrow-cylindrical, symmetrical; apophyses lustrous, rufous brown,
radially carinate, the transverse keel prominent.

Of the habit of this Pine I know nothing. As a species it is very
clearly defined by its peculiar cone and leaf-section. It grows in the
Philippines, Sumatra, Lower Burmah and western Indo-China. In my
specimen the pits of the ray-cells of the wood are both large and
small. In this particular it may belong in either of two groups of
species. Its uniform leaf-hypoderm associates it with this group or
with P. halepensis of the Insignes. I have assumed the cone to be
dehiscent at maturity and have placed it with the Lariciones, but if
further information shows the cone to be serotinous, this species
should be transferred to the serotinous group.

Plate XXIII.

Fig. 198, Cone. Fig. 199, Magnified sections of two leaves. Fig.
200, Leaf-fascicle.

35. PINUS SINENSIS

1832 P. sinensis Lambert, Gen. Pin. ed. 8vo. i. 47, t. 29.
1867 P. tabulaeformis Carriere, Trait. Conif. ed. 2, 510.
1881 P. leucosperma Maximowicz in Bull. Acad. St. Petersb. xxvii. 558.
1899 P. yunnanensis Franchet in Jour. de Bot. xiii. 253.
1901 P. funebris Komarow in Act. Hort. Petrop. xx. 177.
1902 P. Henryi Masters in Jour. Linn. Soc. xxvi. 550.
1906 P. densata Masters in Jour. Linn. Soc. xxxvii. 416.
1906 P. prominens Masters in Jour. Linn. Soc. xxxvii. 417.
1911 P. Wilsonii Shaw in Sargent, Pl. Wilson. i. 3.

Spring-shoots uninodal, pruinose. Leaves binate, ternate, or both, from
10 to 15 cm. long, stout and rigid; resin-ducts external, or external
and medial. Staminate catkins in short capitate clusters. Conelets
mucronate. Cones from 4 to 9 cm. long, ovate, symmetrical or oblique,
tenaciously persistent, dehiscent at maturity; apophyses lustrous, pale
tawny yellow at first, gradually changing to a dark nut-brown, tumid,
the posterior scales often larger and more prominent.

A tree of