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ARBORETUM AND FRUTICETUM.

PART HI.

ocular demonstration. One has beenintroduced from the neighbourhood ofGenoa by Captain Cook , of which thereis a young plant in the HorticulturalSociety’s Garden; but it has not yetshown any character differing from thatof the species; a cone, however, whichwe possess of this variety is smaller thanthat of the species; and the raised endsof the scales are more prominent, ap-proaching in a slight degree to the formof those of the cones of P. Pinaster.

Mr. Lambert, in the second edition ofhis Genus Finns, has figured what ap-pears to be a variety of P. halepensisunder the name of P. maritima ; but, ashe has given in his figure three cones,of three different shapes, and as noliving plant in England is referred to,nothing can be determined definitelyrespecting it. We shall, however, givethe name among those of other varieties,real or conjectural.

1 P. h. 2 minor has the cones rathersmaller than the species. Thereis a tree in the Horticultural So-ciety’s Garden, which, in 1837,after having been 13 yearsplanted, was 20ft. high, with a spreading branchy habit; but with-out any other marked difference from the species.

1 P. h. 3 maritima, P. maritima Lamb. Pin., eel. 2.,t.6. — According toMr. Lambert’s figure, the cones of thisvariety, in the different forms in which hehas given it, are all larger than those ofthe species. The three cones given inMr. Lambert’s plate are, one from theSherardian herbarium, which points down-wards, and only differs from the species inbeing thicker; one collected in Greece bythe Hon. W. F. Strangways, which pointsupwards; and one from a tree in SyonGardens, which no longer exists, but whichis stated in the text also to point upwards.

A tree in the Horticultural Society’s Gar-den, received from Sir Charles Monck,andsaid to be the true P. maritima of Lam-bert, is nothing more than P. Pinaster;as is the one at Dropmore, received from Mr. Lambert himself.It is somewhat more fastigiate in habit than that tree is generally,but this appears to us nothing more than a variation. Mr. Lam-bert has given the following particulars respecting the uses madeof this variety in Greece , from Dr. Sibthorp’s papers, publishedin Walpole’s Memoirs .- — “ Peukos, one of the most useful treesin Greece . It furnishes a resin ( hretine ), tar, and pitch ( pissa) ;all of considerable importance for economical purposes. Through-out Attica, the wine is preserved from becoming acid by means of theresin, which is employed in the proportion of an oke and half to20 okes of wine. The tar and pitch for ship-building are taken

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