CHAP. CXIII.

CONI FERAi. PI NUS.

2253

surface of the scalesvery prominent, irregu-larly four-sided, andrecurved. Seed oval-ovate, somewhat point-ed below, light-colour-ed, with a broad wing,also light-coloured, andnearly three times thelength of the seed. P.longifolia is a native ofNepal, on the moun-tains ; and also of thelower and warmer partsof India, where the treeis cultivated on accountof its beautiful foliageand graceful habit ofgrowth, but where itnever attains the samemagnitude as on theHimalayan Mountains.

It was introduced intoBritain in 1801, and fora long time was treatedas a green-house plant:it is now found to standthe open air, but notwithout protection dur-ing winter. The largesttree in England is be-lieved to be that atDropmore, of which Jig.

2152. is a portrait, toa scale of 1 in. to 8 ft.

It was, in 1837, nearly12ft. high; but it iscovered every winter with a portable roof of fern, enclosed in mats, and sup-ported by a wooden frame; the sides being closed in with the same materials,

but with two doors oppo-site each other, to openon fine days, to promoteventilation. Mr. Lawson

2152

2151 \

suggests that the tender-ness which is apparent in