CHAP. II. BRITISH ISLANDS. 119 
in 1816; Crate‘gus prunifolia, in 1818;~ Yucca glaucéscens, 
Ribes caucdsicum, and Caragana microphflla, in 1819; Pyrus 
nepalénsis, Philadélphus hirsutus, Populus macrophylla, Tilia 
laxiflora, Pinus adiinca, and P. uncinata, in 1820, 
From 1821 to 1830, three hundred and eighteen trees and 
shrubs were introduced ; viz., upwards of sixty by the Horti- 
cultural Society ; twenty-five by Schleicher (obscure species of 
willows) ; twenty-one by Messrs. Loddiges; four by Lord Car- 
narvon; three by Whitley; one by Malcolm; one by Shepherd 
of Liverpoo] ; one by Don of Cambridge; one by Low of 
Clapton; one by Philip Barker Webb, Esq. ; one (Benthamza 
fragifera, in 1825) by J. H. Tremayne, Esq.; one by the late 
Mr, William Baxter (Sdilya heterophylla, in 1830); one by 
Bunney; and one (bes speciosum, in 1829) by A. B. Lam- 
bert, Esq. By far the greater number of the species intro- 
duced by the Horticultural Society were sent home by the 
late unfortunate Douglas, from the north-west coast of North 
America; among them are, Bérberis Aquifdlium, Gaulthérz¢ 
Shallon, Arctostaphylos tomentosa, Ribes viscosissimum, and 
Acer macrophYllum, in 1826 ; and Bérberis glumacea, Acer 
circinatum, A’rbutus procéra, bes niveum, inébrians, and di- 
varicatum; Mtbus spectabilis, Abies Douglas; Pinus pon- 
derdosa, Lambertzdna, and Sabinzdna; Ameldnchier florida, and 
Garrya elliptica, in 1827. In this decade the Horticultural 
Society also introduced the Cédrus Deodara from Nepal, in 
1822; and Cotoneaster frigida, and C. Nummularia, in 1824. 
Among those by Loddiges are, Quéreus Tavzin and Gleditschia 
cfspica, in 1822; Acer opulifdlium, Fraxinus 4lba, epiptera, 
fdsca, macroph#lla, and quadrangularis, all in 1823; and Frax- 
inus cinérea and Cotoneaster microph¥lla, in 1825. The 
greatest number of the valuable trees and shrubs added to the 
British arboretum, during this century, was introduced by 
Messrs. Conrad Loddiges and Sons, and the next greatest 
number by the Horticultural Society. Messrs. Loddiges ree 
ceived their importations chiefly from their foreign correspond- 
ents, and more especially from American collectors and 
nurserymen. ‘The principal British collectors during this period 
were, Fraser, Lyon, and Douglas. Notices of the first two 
have been kindly prepared for us by Mr. Forsyth; and of the 
latter we shall give a short abstract of a biographical memoir 
which appeared in the Gard, Mag,, vol. x. p. 271. 
John Fraser was a native of Inverness-shire ; he came to Lon- 
don about 1770 (or 1776), married, and settled as a hosier and 
draper in Paradise Row, Chelsea ; but, being of a very active 
and enterprising turn of mind, and having imbibed a taste for 
plants in his frequent visits to the physic garden at Chelsea, 
then under the care of the late Mr. Forsyth, he determined on 
K 
