FLORA OF JAMAICA dliandra 



$ 21. Parts of the flowers in 5's. Stamens usually numerous, 

 sometimes few, united at the base or into a tube-. 

 Anthers small. Pollen granules in 2-6 masses in each 

 cell. 



45. CALLIANDRA Benth. 



Shrubs or small trees, without spines or prickles (except in 

 C. hsematomma). Petiolar glands wanting, but glandular depres- 

 sions present at base of pinnae in C. comos . Flower-heads 

 globose, 011 peduncles, 1-3 together in axils, or in corymbose 

 racemes ; flowers polygamous ; floral parts in 5's. Calyx cam- 

 panulate, toothed. Stamens numerous 10, united below, long 

 exserted ; pollen aggregated into 2 or 4 masses in each cell. 

 Pod flat-compressed, usually with thickened margins, 2-valved, 

 continuous within ; valves elastically revolute from the apex t< > 

 the base. 



Species 100, natives of tropical and subtropical America, and 

 one of India. 



Flower-heads axillary. 



Pinnse in 2-4 pairs 1. C. portoricensis . 



Pinnae in 1 pair 2. C. hsematomma. 



Flower-heads in a raceme ; racemes terminal, 



corymbose 3. C. comosa. 



1. C. portorieensis Benth. in Hook. Lond. Journ. iii 99 (1844) : 

 without spines or prickles; pinnae in 2-4 (5) pairs; leaflets in 

 20-25 (10-) pairs ; peduncles of flower-heads axillary, generally 

 3 together. Griseb. Fl Br. W. Ind. 224 ; Benth. in Fl. Bras. xv. 

 pt. 2, 411 & Trans. Linn. Soc. scxx. 543 ; Urb. Symb. Ant. w. 265. 

 Mimosa arborea noil spinosa foliis Arc. Sloane Cat. 152 & Hist. ii. 

 57. M. portoricensis Jacq. Collect, iv. 143 (1790) & Ic. PL Bar. 

 Hi. 20, t. 633. Acacia ungulata Desv. Journ. Bot. iii. 68 (1814) : 

 Ham. Prodr. 59. A. linearis Desv. ex Ham. Prodr. 59 (1825). 

 A. Hamiltonii Desv. loc. cit. A. vespertina Macf. Jam. i. 31 8 

 (1837). Lysiloma Marchiana Griseb. op. cit. 223 (1860). 

 (Fig. 44.) 



Night-flowering Acacia. 



In fl. Feb.-Sept. ; Red Hills, Sloane Herb. vi. 40b, 43, 4G* ! Houstoun \ 

 Shakspear ! Tate in Herb. Sloane clxii. 266 ! Liguanean Mts., Brougliton \ 

 common in Port Royal and St. Andrew Mts., Macfadycn \ Hartweg ! 

 Wilson; Moneagne, Prior! March \ Cinchona, J.P. 1316, Hart\ Blue 

 Mts., Hitchcock; Cherry Garden, 600 ft., Campbell \ Holly Mount, 2600 ft., 

 Harris ! Fl. Jam. 5712, 8904. Bahamas, Cuba, Hispaniola, Porto Rico. 

 Vieque, St. Jan, Grenada, tropical continental America, western tropical 

 Africa. 



Shrub or tree, 9-20 ft. nigh. Pinnse 3-10 cm. 1., leaflets linear-oblong 

 or linear, apex obtuse, base truncate, sometimes almost auriculate, 6-15 

 mm. 1. ; gland wanting ; stipules lanceolate, deciduous. Peduncles 3-6 cm. 1. 

 Flowers sessile, white, fragrant, about 15 in the head. Calyx 2 mm. 1., 



