14-18

ARBORETUM AND FRUTICETUM.

PART 1JI.

by its leaves being larger, and of a lighter and more shining green, and itswood being of a lighter colour in winter. The leaves also die off sooner,and of a brighter yellow, than those of the European species. It is morehardy, and is readily propagated by layers, or by seeds. The insect mostcommonly found on the nettle tree and hackberry, in America , is the iS'phhu?drupiferarum, or Hackberry Hawk Moth. (Abbott and Smith's Insects ofGeorgia, and our fig. 1253.) This insect greatly resembles the privet hawk

moth (p.1201.); but the colour of the moth is a beautiful shaded brown, withoutany tinge of redness. The larva is green, beautifully marked with shaded pinkand a brilliant white.

Statistics. C Utis occidentalis in the Environs of London . At Syon, it is 54 ft high ; diameter ofthe trunk 2ft. 4in., and of the head 30ft. In the Fulham Nursery, 70 years planted, it is 50ft.high.

C Utis occidentalis South of London . In Devonshire, at Killerton,25 years planted, it is 33ft. hign,diameter of the trunk 9 in., and of the head 31 ft. In Surrey, at Barn Elms, it is 40 ft.diameter of the trunk 2 ft., and of the head 54 ft. In Sussex, at Westdean, 14 years planted, it is19 ft. high.

C eltis occidentalis North of London. In Cambridgeshire , in the Cambridge Botanic Garden, it is35 ft. high, diameter of the trunk 1ft. 7 in., and of the head 24 ft. In Durham , at Southend, 6 years .planted, it is 11 ft. high. In Lancashire , in the Manchester Botanic Garden, 5 years planted, it is >

4 ft. high. In Oxfordshire , in the Oxford Botanic Garden, it is 30 ft. high, diameter of the trumt r

I ft. 4 in., and of the head 30 ft. In Suffolk, in the Bury Botanic Garden , 10 years planted, it is lift-high ; at Ampton Hall, 12 years old, it is lift. high. In Worcestershire , at Croome, 20 yeanplanted, it is 20 ft. high j at Croome (var. scabridscula,', 20 years planted, it is 15 ft. high. Inshire, in the Hull Botanic Garden, 10 years planted, it is 13 ft. high.

Ciltis occidentalis in Scotland . In the Edinburgh Botanic Garden, 14 ft. high. At DalhousieCastle, 6 years planted, it is 8 ft. high.

Ciltis occidentalis in Ireland. Near Dublin , at Terenure, 8 years planted, it is 6 ft. high.

CUtis occidenthlis in Foreign Countries. In France, at Paris, in the Jardin des Plantes , 130 yeanold, it is 68 ft. high, diameter of the trunk 1 ft. 8 in., and of the head 40 ft.; at Nantes , in the nurseryof M. De Nerriferes, 29 years planted, it is 29 ft high, the diameter of the trunk 2 ft.; in the BotanicGarden at Avranches , 40 years planted, it is 40 ft. high, the diameter of the trunk 1 ft-> a1 '? ? fthe head 28 ft. In Hanover, in the Botanic Garden at Gottingen , 30 years planted, it is 30ft-the diameter of the trunk 1 ft. In Saxony, at Worlitz, 30 years planted, it is 40 ft. high. In Aus-tria, at Vienna , in the University Botanic Garden, 60 years planted, it is 55 ft high, the diameteof the trunk 2ft., and of the head 29 ft; at Bruck on the Leytha, 45 years planted, it is 60 ft-"tf"'the diameter of the trunk 2| ft, and of the head 40 ft. In Bavaria, at Munich , in the BotamGarden, 24 years planted, it is 15 ft high. In Prussia, at Berlin, in the Botanic Garden , 30planted, it is 15 ft. high; in the Pfauen Inscl, 40 years planted, it is 26ft. high, with a trunk o' ■in diameter.

¥ 7. C. crassipo'lia Lam. The thick-leaved Celtis , or Hackberry.

Identification. Lam. Encycl., 4. p. 132.; Michx. Arb., 3. p. 228. t. 9.; North Amer. Sylva, 3. P-J£> j

t. 115.; Willd. Sp. PI., 4. p. 995.; Pursh FI. Amer. Sept, 1. p. 200. : N. Du Ham., 2. p. 37-; !

et Schult. Syst. Veg., 6. p. 307.