456 FLORA OF MADRAS. IRkizophora. 



1. Rhizophora, Linn. 



Trees ; branches thick, marked by leaf-scars ; aerial roots 

 descending from the stem and branches. Leaves opposite, 

 coriaceous, glabrous, mucronate, entire ; stipules large. Flowers 

 rather large, in axillary 2-3-chotomously divided, few-flowered 

 cymes ; bracteoles connate at the base of the calyx. Calyx 

 4-lobed ; lobes coriaceous, valvate. Petals 4, entire, inserted on 

 a fleshy disk. Stamens 8-12 ; filaments short ; anthers linear. 

 Ovary 2-celled, 2 ovules in each cell ; style conical, subulate ; 

 stigma bifid. Fruit coriaceous, 1-celled, 1-seeded, ovoid, the 

 persistent reflexed calyx-lobes surrounding its base. Seed pen- 

 dulous, germinating on the tree, the radicle elongate, perforating 

 the apex of the fruit. 



Leaves elliptic, long-mucronate, up to 4 in. broad ; cymes 3-7-flowered 

 on peduncles 1-1-25 in. long ; petals fleshy, lanate on the faces within 



1. mucronata, 



Leaves oblong-lanceolate, short-mucronate, up to about 2 in. broad ; 

 cymes 2-flowered, on stout peduncles about '2 in. long ; petals thin, 

 glabrous 2. Candelaria. 



1. RHIZOPHORA MUCRONATA, Lamk. ; F. B. I. ii. 435 ; Wt. Ic. 

 t. 238. E. Candelaria, W. & A. 310. 



Tidal forests on both E. and W. Coasts. The Mangrove. 

 A glabrous evergreen tree, often appearing buttressed by 

 the mud being washed away from the branching aerial 

 roots, the lower part of the stem dying off ; usually also 

 sending up conical excrescences from the roots, looking 

 like inverted tent-pegs. Bark brown, with vertical clefts, 

 a valuable tanning material ; wood dark red, very hard, an 

 excellent fuel. Yern. Tel. Upoo-poma; Tarn. Kandal. 



2. RHIZOPHORA CANDELARIA, DC. E. conjugate*, Heiisl. ; 

 F. B. I. ii. 436 not o/Limi. 



Tidal forests on both coasts ; more scarce than the pre- 

 ceding ; common in the Kistna Delta. 



A glabrous small evergreen tree, similar to E. mucronata. 

 Yern. Tarn. Kandal. 



2. Ceriops, Arn. 



Shrubs or small trees with aerial roots from the stem and 

 branches. Leaves opposite, ovate or obovate, entire, coriaceous. 



