Acacia] XLV. LEaUMINOS^E 269 



specimens from tlie Kiimaon Bhabar, Beliar and tlie Konkan, which are more than 

 •usually pubescent, cannot in my opinion he regarded as a separate species. 



Nearly allied are : 18. A. pminescens, Kurz F. Fl. i. 424, Assam, Manipur, Upper 

 Eurma. Pegu Yoma, hranchlets pruinose ; leaflets narrow linear, J-| in. long, the midrib 

 close to the upper edge, gland on petiole J~l in. above base. 19. 'A."pseudo-Iiitsia, Miq, ; 

 Prain in Journ. As. Soc. Beng. 66 (1898) 249, 511. Andamans, Malay Peninsula and 

 Archip.. hranchlets blackish; leaflets linear-oblong, J-| in. long, midrib close to the 

 upper edge, gland oblong, near base of petiole, ^ in, long. PI. heads in bud concealed 

 by large ovate acuminate bracts. 



20. A. pennata, Willd. ; Kurz F. FL i. 424. Vern. Ailaj Hind. ; Shembi^ 

 Mar. 



A large climberj climbing over the tallest trees, bark reddish-brown ; prickles 

 on hranchlets petioles and inflorescence ; branchlets and petioles pubescent. 

 Pinnse 20-40 pair ; leaflets |-|- in. long, 30-60 pair, narrow-linear, mncronate, 

 midrib near the upper edge, closely packed, overlapping^ making each pinna 

 like the feather of a bird. M. heads white or pale yellow, 4-8 together in the 

 axils of leaves or bracts, forming long racemiform panicles, bracts linear, 

 minute. Pod shining, very thin. 



Subhimalayan tract, from Kumaon eastwards, ascending in Sikkim to 3,000 ft. 

 Behar. Khasi hills, Manipur, Cachar, Chittagong. Burma, Upper and Lcv^er in 

 deciduous forests. Andamans. Western Peninsula. PI. April- August. Ceylon, Malay 

 Peninsula and Archipelago. 



E. Woody climbers ; spines scattered ; fl. in globose heads ; pods thick, 

 fleshy, indehiscent. 



21. A. concinna, DC. ; PI. Brit. Ind. ii. 296. Vern. Ban-rWia, Beng. ; 

 Shekakaij Mar. ; Chikayi, Tel. ; Suh^k^ Burm. 



Branchlets, petioles and peduncles tomentose or pubescent, armed with, 

 numerous sharp recurved prickles. Pinnse 4-6 pair, leaflets 12-20 pair, 

 \-\ in. long, linear from an unequal-sided base. Stipules large, semicordate. 

 Plower-buds purple; fl. yellow, heads in dense panicle^ at the ends of 

 branches. 



Subhimalayan tract, from Oudh eastwards. Assam, Behar. "Western Peninsula and 

 Burma, chiefly in evergreen forests. PL March-July. Malay Peninsula, Java. 



Several Australian Acacias are cultivated on the Hilgiris and elsewhere. The most 

 important are : A dealbata, Link, tlie Silver Wattle. A tree spreading rapidly by I'oot- 

 suckers, with bipinnate grey hoary leaves, small linear leaflets and small yellow fl. 

 heads in axillary and terminal panicles. A Melanoxylon, E. Brown, the Amfralian 

 Blackwood, A large tree with coriaceous, oblanceolate phyllodia (vertically dilated 

 leaf -stalks) instead of leaves, except on young trees, which have bipinnate leaves at 

 the end of phyllodia. 



10. ALBIZZIA, Durazzini; M. Brit. Ind. ii. 2^8. 



Unarmed trees, with bipinnate leaves and large (in the Indian species) 

 globose fl. heads. ¥1. white, yellow or pink. Calyx and corolla usually 

 pentamerous. Stamens indefinite, long exserted, filaments united high up or 

 at the base only. Pod flat, straight, usually thin, indehiscent or 2-valved. 



A. Pinnae 1 or 2 pair ; leaflets distinctly pennx-nerved, 1-6 pair, 2-5 in, 

 long. 



1. A. lucida, Benth. Vern. Tkanthat, Burm. 



A large glabrous tree, bark grey, heartwood hard^ brown with dark streaks. 

 Pinnae 1, rarely 2 pair ; leaflets 2 rarely 3 pair, a gland on petiole and at the 

 base of the terminal pair of leaflets, none at the base of pinnae. Leaflets 

 elliptic, acuminate, shining. Heads of 6-10 sessile pubescent flowers, in ter- 

 minal panicles. Corolla four times the length of calyx; ovary sessila, 

 glabrous. Pod straight, shining, dehiscent, 4-8 by 1| in. 



