664 



ARBORETUM AND FRUTICETUM. 



ending in a pungent point. It is 

 a Dative of New South Wales, and 

 grows to the height of 10 ft., flow- 

 ering from April to July. 



a. verticiUata'Wittd. {Hot. Mag., 



110., and our fig. 384.) has the 



dilated petioles linear, and disposed 



verticillately. It is a well-known 



species, easily recognised by the 



figure, a native of Van Diemen's 



^%^v> Land,which has been in cultivation 



*^Bsk'<s- in England since 1780, flowering 



ipsfr^" from March till May, and occa- 



^1^4. sionallv ripening seeds, even in 



'•% .?1^4" the open air. A plant of this 



~--"4^V-: species in the Horticultural So- 



':triC-{{ c-iety's Garden stood out as a 



; V\^ standard, with very little protec- 



+ tion, from 1832 till January, 183R ; 



qqq when it was killed, or much in- 



ooo jured, by the severe frost. It had, 



however, no protection. One in 



the same garden, against the wall, 



but it had no protection in front. A. v. 3 latifblia 



PART III. 





Dec. has stood out 



3 



^.-: V. -k 



382 



was also much injured : 



against a wall in the Horticultural Society's Garden since 1831. 



2. Conjughto-pinndtce. 



S<ct. Char. Leaves with one pair of pinna?, each pinna bearing few or many pairs of leaflets. 

 This is an artificial section, composed of a heterogeneous assemblage of species, the most part of 

 which are not well known. (Don's Mill., ii. p. 408.) 



A. gummifera Willd. has the pinna? bearing 6 pairs 

 of linear obtuse leaflets. It is a native of the north 

 of Africa, r.?ar Mogador, where it forms a tree of the 

 middle size, and yields the gum Arabic, in common 

 with several other species. It was introduced in 1823. 

 A. coronilhefblia Desf. is a tree from the same coun- 

 try, introduced in 1817. 



A. pulchella R. Br. {Bot. Cab., t. 212. and our 

 figs. 385, 386.) is a smooth shrub, with the pinna? bear- 

 ing 5 — 7 pairs of oblong-obovate obtuse leaflets, and 

 having its heads of flowers solitary. It is a native of 

 New Holland ; was introduced in 1803 ; and grows to 

 the height of 5 ft. or 6 ft. 



A. detinens Burch. {Don's Mill., 2. p. 408.) and A. 

 viridircwiis Burch. {ibid.) are natives of the Cape of 

 Good Hope, which have been some years in British 

 green-houses. They both grow to the height of from 

 3 ft. to 6 ft., and continue flowering from April to July. 



3. Spic, \flbr<E. 



Leaves bipinnate, with few or many pairs of pinna?, each pinna bearing many pairs 

 Flowers disposed in spikes. {Don's Mill., ii. p. 409.) 





Sect. Char. 

 of leaflets. 



A. Unarmed Trees or Shrubs. 



A. hphantha Willd., Mimosa elegans Bot. Rep. y (Bot. 

 Cab., t. 710., and our fig. 387.), is a species in very gene- 

 ral cultivation. It will grow to the height of 6 ft. or 8 ft. 

 in 2 or 3 years from the seed, flowering the first year. It 

 was introduced in 1803, from New Holland; and its fine 

 yellow flowers, which are somewhat fragrant, arc pro- 

 duce' 1 from May to July. There is a plant of it against 

 the wall, in the Horticultural Society's Garden, 10 ft. or 

 1 2 ft. high ; one at Ahbotshury Castle, Dorsetshire, grow- 

 ing as a standard in the open air, without the slightest 

 protection, which is 40 ft. high, and ripens its seeds 

 freely ; and one in the grounds of E. Pendarvis, Esq., 

 at Pendaires, Cornwall, which is 20 ft. high. 



J>. l'i icl.lij or spiny Trees or Shrubs. 



■ifra Willd., Mimosa cafra Thunb., has leaves with 5 — 10 pairs of pinna;, each pinna bearing 

 20—50 pair* of lanceolate-linear leaflets. It. is a native of the Cape of Good Hope, introduced in 

 1800; and form a tree from 12ft. to 20fl high 



A Ubida DeliL '/•/. Mgypt. 143., t.a. f 3.). the Egyptian thorn, has straight stipnlar prickles, 

 arni i<-;iv<-« 7/if.h .; i paii '.i pinnse, each pinna bearing 9 — 10 pairs of oblong-linear glaucous 

 k-afk-tn n . ■ Upper Egypt, where it grows to the height of '20 ft. 



