146 FLORA OF JAMAICA Alhizrda 



loc. cit. (1844) & in Trans. Linn. Soc. xxx. 592 ; Waljo. Hep. ». 619. 

 Acacia Berteriana Balh. ex DC. Prodr. ii. 470 (1825); Griseb. 

 Fl. Br. W. Ind. 223. Inga fragrans Macf. Jam. i. 309 (1837) ; 

 Walp. Rep. i. 931. 



Sloane Herb. vi. 40a 1 Lane in Herb. Sloane clxii. 267 ! below Mocha 

 and Chesterfield Works, Macfadyen ! Mount Lebanon, 2500 ft. ; Malvern, 

 2200 ft. ; coast between Portland Point and Rocky Point ; Harris ! Fl. 

 Jam. 6895, 9654, 9946, 10,190.— Cuba, Hispaniola. 



A spreading tree, 20-30 ft. high ; twigs, petioles, and peduncles glabrous 

 or minutely puberulous. Leaf 1-2*5 dm. 1. Pinnx 4-8 cm. 1. Leaflets 

 somewhat unequal-sided especially at the base, lighter-coloured beneath. 

 Oland oblong above the base of the petiole, and a roundish one between 

 the terminal pair (or pairs) of pinnae, and also at the ends of the pinnae. 

 Flowers greenish or white, fragrant. Calyx 1-5 mm. 1. Corolla twice as 

 long as calyx. Stamens twice as long as the corolla. Pod 7-12 cm. 1., 

 12-15 mm. br. ; stalk 6-10 mm. 1., about 10-seeded. Seeds flat, discoid, 

 about 5 mm. in diam. 



47. PITHECELLOBIUM Mart. 



Shrubs or trees, with or without spines. Pinnte in 1 or 

 several pairs ; leaflets in 1 or many pairs. Flowers generally 

 in globular heads, or rarely spicate, or, in P. Alexandri, in a 

 spike-like raceme, white, generally hermaphrodite ; floral-parts 

 usually in 5's. Calyx campanulate, shortly toothed. Corolla 

 funnel-shaped. Stamens few or numerous, long exserted, united 

 at the base or higher into a tube ; anthers small, pollen usually 

 aggregated into 2-4 masses in each cell. Pod compressed, curved 

 and twisted, continuous within, valves opening. 



Species about 60, dispersed through the tropics. 



Pinnae in 1 pair. Leaflets in 1 pair. Stipules spiny. 



Inflorescence glabrous. Corolla 5-6 mm. 1 1. P.imguis-cati. 



[Inflorescence white-tomentose. Corolla 2-5-3 mm. 1. P. dulce.'j 

 Pinnae in more than 1 pair. Leaflets in more than 1 

 pair. 



Flowers in globular heads 2. P. arboretim. 



Flowers in spike-like racemes 3. P. Alexandri. 



1. P. unguis-eati Benth. in Hook. Lond. Journ. Bot. Hi. 200 

 (1844); glabrous, stipules spiny, straight, small or minute, 

 sometimes wanting ; pinnae in one pair, leaflets in one pair ; 

 flowers sessile in heads ; heads globular or shortly lengthened 

 into a spike in axillary racemes or terminal panicles : pod 

 slightly constricted between the seeds, continuous within, red 

 outside and inside, spirally curved, sometimes of 2 or 3 circles, 

 valves much twisted ; seeds black with a white aril. — Benth. in 

 Trans. Linn. Soc. xxx. 572 ; Griseh. Fl. Br. W. Ind. 226 ; Sarg. 

 Silv. Hi. 133, t. 145 ; Urh. Symh. Ant. iv. 263. Acacise quodam- 

 modo accedens et Ceratise &c. Pluh. Phyt. t. 1, /. 6. Acacia 

 arborea major spinosa &c. Sloane Cat. 152 & Hist. ii. 56. 



