298 L. liESTJMiNOSiE. (J. G. Baker.) JAcacia. 



Vab. 1. canescens, Grab. in. Wall, Cat. 6266, sp. ; brandies and leaf-rachises densely- 

 pubescent, leaflets slightly downy below. A. caesia, Wall. Cat. 5253 A. A. ambly- 

 carpa, Grah. in Wall, Cat', 5260. A, concinna. Wall. Cat. 5250 Di A. tomentella, 

 Zipp. ■ Miq. Fl. Ind. Bat. i. ] 3. 



Vae. 2, arroplmla,J)aa.; Wall. Cat. 5267, sp. ; pinnae more numerous, leaflets 

 duller in colour and not so firm in texture, panicle more elongated and compound, 

 peduncles often 4-6-nate. — Eastern Himalayas, 



Vae. 3. phmcapitata, Steud. ; Beath. in Hook. Lond. Journ. Bofc, 1842, 516, sp. ; 

 pinnse 40-80 not more than lf-1 J in", long, leaflets very narrow and crowded, petiolar 

 glands mucb smaller, panicle elongated sometimes a foot long above the leaves, pe- 

 duncle often 6-8-nate, heads smallerr A. polycephala, Grah. in Wall. Cat. 6285, non 

 DC. — Martaban, Penang, and Malacca. — ^Distrib.. Malay isles. 



IMPKEFECTI,T KXOWN SPECIES, 



A. WiGHTii, Baker. In Dr. Wight's collection are specimens without fruit of a 

 well-marked species near A. arabica, from Travancore and Tinnevelly, with glabrous 

 branchlets and leaf-rachises, large straight dark-browu spines, 2-8 pinnse, 12-32 

 oblique oblong glabrous snbcoriaeeous leaflets ^-f in. long, short glabrous 2-4-nate 

 peduncles with the involucre below the middle, fiinnel-shaped shortly-toothed calyx 

 ^ in. long, and a minute campanulate glabrous calyx. 



128. A.XiBXZZXA., Durazz. 



Large trees. Leaves bipinnate^ Flowers in the Indian species in globose heads, 

 sessile or pedicellate, usually pentamerous and all hermaphrodite. Cah/x 

 campanulate or funnel-shaped, distinctly toothed. Corolla funnel-shaped, 

 petals firmly united below the middle. Stamens indefinite, monadelphons at the 

 base, filaments several times the length of the coroUa; anthers minute, not 

 gland-crested. Ovary sessile or shortly-stalked; style filiform, stigma capi- 

 tate minute. , Pod large, thin, flat, strap-shaped, straight,, indehiscent or sub- 

 indehiscent, continuous within, the sutures not thickened. — Distktb. Species 

 25-30, spread through the Tropics of the Old World. 



The Australian A. lophantka, which resembles A. amara in the leaves but has the. 

 flowers in spikes, is naturalised on the Nilghiris. 



* Leaflets oblong, at least j-J in. hroad. 



1. A.1 Xiebbek, Bemth. in Hook. Lond. Journ. 1844, 87 ; leaflets 8-18, 

 obtuse, heads notpanicled, calyx pedicellate funnel-shaped. Dalz. ^ Gibs. Bomb. 

 Fl. 88 ; Bedd. Fl. Sylv. t. 63 ; Bmss. Fl. Orimt. ii. 639. Acacia Lebbek, Willd. ; 

 DC. Prodr. ii. 466. A. speciosa, WUld. ; DC. Pi-odr. ii. 467 -^ W. Sf A. Prodr. 

 275. Mimosa speciosa, Jacq. Ic. t. 198. Acacia Sirissa, ITam. in Wall. Cat. 

 6265» Mimosa Sirissa, Bo.'cb. Sort. Bene/. 40 ; Fl. Ind. ii. 544. Albizzia latir 

 folia, Boivin ; Miq. Fl. Ind. Bat. i. 22. 



Tropical Himalayas, ascending to 5000 ft. in the Central Provinces and 4000 ft. 

 in Khasia ; through India peopee and Ceyion to Biema and Tenasseeim.— Distbib. 

 Malay isles, China, N. Australia, Trop. Africa. 



A tall tree, without prickles. Leaves with glabrous or downy rachises, and a 

 large gland near the base of the main petiole ; pinnse 4-8, with or without a gland 

 between the lowest; leaflets short-stalked, rigiiUy subcoriaceous, oblique, 1-1^ in. 

 long, glabrous or finely grey-downy. Heads many-flowered, short-peduncled, 3-4 to- 

 gether from the crowded upper nodes on downy ereeto-patent peduncles. Calyx J in., 

 dqwny. Corolla greenish-yellow, twice the calyx, the teeth short, lanceolate. Pod, 

 strap-shaped, firm, yellow-brown, J-1 ft. by J-1^ in., 6-10-seeded. 



