574 XXXIX. OLACiNEiE. (Maxwell T. Masters.) 



Flowers spioate, racemose or pauicled. 



Staminodes 0. Stigma sessile. Albumen 20. Saecostigma. 



Staminodes 5. Styles 2. Albumen fleshy 21. Natsiatdm. 



Stamens opposite to the petals. Stigma sessile .... 22. Iodes. 



A milky-juiced climber. Sepals and petals imbricate. Fruit 

 dry winged 23. Caedioptehis. 



1. XIiaENXA, Linn. 



A shrub or low tree. Branches spiny. Leaves shortly petioled, alter- 

 nate, simple, 1-nerved. Floioers racemose, usually hermaplu'odite. Calyx 

 cupular, ^^S-toothed, persistent, not accrescent. Petals 4-5, oblong, revo- 

 lute, hairy within. Stamens twice the number of the petals, hypogynous; 

 anthers innate, linear, 2-celled. Staminodes 0. Ovary sessile, superior, 

 4-celled ; style columnar, stigma simple ; ovules solitary in each cell, 

 pendulous, anatropous. Drupe ovoid, 1-celled ; stone solitary. — Disteib. 

 Species, 4-5, 1 Mezican, 1 South African, 1 Bornean, 1 Polynesian, 1 widely 

 dispersed through the Tropics of both hemispheres. 



Baillon (Adansonia, iii. 128) describes the ovules as erect, but I find them as above 

 described. 



1. X. americana, Willd. Sp. PI. n. 230 ; Rox6. Fl. Ind. ii. 252 ; W.dcA. 

 Prodr. i. 89 ; Miq. Fl. Ind. Bat. i pt. i. 787. X KusseUiana, WaR. Cat. 

 6784. 



Easteeu and Western Peninsulas, Circars, Wight; Belgaum, BitcMe; Andaman 

 IsLDS., -Kara; Malacca, Griffith; Ceylos, Thwaites. — Disteib. Malayan Archipelago, 

 Trop. Africa and America. 



Branches spreading glabrous, covered with a red astringent bark, often ending in a 

 spine. Young shoots angular. Leaves IJ by 1 in. and upwards, coriaceous, gla- 

 brous, ovate-oblong, or roundish, emarginate, base rounded, vernation conduplicate ; 

 petiole J in. Flowers J in,, bisexual, sometimes polygamous, white, fragrant, in short 

 racemes, which are axillary, or on the ends of thickened contracted shoots. Raehis 

 terete, 4^6-flowered. Bracts minute. Buds oblong, acute. Calyio minute. Petals 

 many times longer than the calyx, equal to the stamens in length. Connective thick. 

 Ovary ovoid-oblong, glabrous, longitudinally sulcate, surrounded at the base by the 

 persistent ultimately reflexed calyx ; style as long as the stamens.— Tbo, fruit is edible 

 and the wood is used as a substitute for Sandal-wood. This plant is omitted in Thwaites' 

 Enumeration. 



EXCLODED SPECIES. 



X. ? OLAcioiDEs, W. <& A. Prod/r. i. 89, is Opilia amentacea, Boxb. 



X. JEGTPTIAOA, Juss. Gcu. 288 ; Boxb. Fl. Ind. ii. 233, is Balanites Eoxburghii, 

 Planch. 



2. OIiAX, Linn. 



Trees or shrubs, often scandent, sometimes prickly. Leaves alternate, 

 petioled, simple. Racemes axillary, simple, or branched. Bracts minute. 

 Calyx minute, cup-shaped, truncate or obscurely toothed, accrescent. 

 Petals hypogynous, valvate, more or less coherent, sometimes 6 in 3 pairs, 

 or 5, 4 coherent, 1 free, rarely 5 or 3 free. Fertile stamens usually 3, rarely 

 4, 5, generally opposite the edges of the petals and attached to their base, 

 rarely opposite their centre ; anthers adnate to the filament, (versatile, 

 , W.ds A.) oblong, 2- celled, dehiscing longitudinally. Staminodes 5-6, bifid, 

 usually opposite the petals. Ovary free, usually surrounded by a shallow, ' 



