CHAP. XX. AURANTIA CE. 395 
with glass during winter, and exposed to the air during summer. In a con- 
servative arboretum, it may be preserved by placing litter, fern, or spruce 
branches round the roots, and covering the top with a case of wickerwork, 
which, in climates colder than that of London, may be thatched. There are 
stools of it in the open ground in the Kensington Nursery, and in some 
others; but they are protected with mats in winter, 
* Other Species and Varieties of Théa. 
« 3. T. cCOCHINCHINE’NsIS Lowr., the Cochin-China Tea, 
is said to have narrower leaves than the other species, and to have 1-seeded fruit opening at the 
apex. Itis a shrub, growing 8 ft. high, and the leaves are used by the inhabitants of Cochin-China 
medicinally, as asudorific and refrigerant. It has not yet been introduced into Britain, and is, in all 
probability, only a variety of the green tea. 
w 4. T. oLeo'sa Lour., the oily Tea, 
has ianceolate leaves, and peduncles 3-flowered, and auxillary. An oil is said to be obtained from - 
the seed of this shrub, which has not yet been introduced into Britain. 
A species of tea grown in the province of Canton, with a pale-coloured leaf, which is occasionally 
mixed with Congou tea, is mentioned by Mr. Reeves (Rcyle’s Illust., p.111.); and this, with the 
numerous other sorts which are, doubtless, in cultivation in China and Japan, may be expected in 
Britain at some future period. 
Sect. III. Anticipated Ternstriémiacez. 
We have already mentioned that there are, undoubtedly, many varieties 
of Caméllia japénica in China and Japan which have not yet found their way 
to Britain ; and there can be no doubt that the varieties of the green tea are 
still more numerous. In p.173., it appears that Eurya acuminata, which 
belongs to this order, is likely to be hardy. This shrub, Mr. Royle observes, 
attains the height of about 8 ft. or 10 ft., and is common in the Himalaya at 
an elevation of 6500 ft. The leaves are thick, coriaceous, finely serrated, 
smooth, and the young ones hairy. The flowers, owing to the early fall of 
the leaves from the lower parts of the branches, appear to be lateral; but 
they actually rise out of the axils of the fallen leaves. The plant is a 
handsome evergreen bush, well meriting introduction. (Royle’s Illust., p. 128.) 
CHAP. XX. 
OF THE HALF-HARDY LIGNEOUS PLANTS OF THE ORDER 
AURANTIA‘CEZ. 
WE introduce this order for the sake of noticing two 
genera, the species of which may, with care, be cultivated 
against flued walls without the protection of glass. These 
genera are Citrus and Limdnia. The species of the first 
are trees universally known and admired, natives of 
India ; and those of the second Himalayan shrubs, grow- 
ing at considerable elevations in Nepal. 
Orange trees, when first introduced into England in 
1595, were grown against a wall at Bedington, in Surrey, 
and flowered and fruited there for many years; till, as 
Evelyn informs us (see E. of Gard., ed. 1835, p. ae they 
were neglected. With a little care, and without the ex- 
pense of glass, there can be no doubt that all the Citrus 
family might be grown against a hot wall in the climate of 
London, in as great, or greater perfection, than theyjare 
now to be seen in those formal artificial contrivances, 
tubs and boxes kept under glass, and which are far more 
expensive than hollow walls to be heated by steam or 
smoke flues, and protected by thatched hurdles, or reed 
or straw mats. ose who have seen the walls covered 
with orange and lemon trees at Woodhallin West Lothian, 
at Coombe Royal in Devonshire, and at M. Fion’s in 
Paris, will not wonder at our great anxiety to encou- 
rage the culture of this plant in the conservative man- 
ner, We have also seen fine orange trees in the neigh- 
