574 xxxix. OLACINE^E. (Maxwell T. Masters.) 



Flowers spicate, racemose or panicletl. 



Staminodes 0. Stigma sessile. Albumen ..... 20. SARCOSTIGMA. 



Staminodes 5. Styles 2. Albumen fleshy ...... 21. XAT^IATUM. 



Stamens opposite to the petals. Stigma sessile ..... 22. IOI>ES. 



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



dry winged . . <* ** ............. 23. CARDIOPTERIS. 



1. XIIVIENIA, Linn. 



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

 nate, simple, 1-nerved. Flower* racemose, usually hermaphrodite. Caly^ 

 cupular, 4-5-touthed, persistent, not accrescent. /'</,//> 4 :>, oblong, revo- 

 lute, hairy within. /#'////'// * twice the number of the petals, Lypogynous ; 

 anthers innate, linear, 2-celled. W<iiiii/"{i.< o. perior, 



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

 pendulous, anatropous. J)ru)>c ovoid, 1-celled ; stone solitary. 1>; 

 Species, 4-5, 1 Mexican, 1 South African, 1 Born can, 1 Polynesian,! widely 

 dispersed through the Tropics of both heinisph. 



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

 described. 



1. X. americana, WH11. ,S>. PL ii. 23n : 7,W,. Fl. In<l ii. -1^1 I!'. 

 Pr<lr. i. M) ; J//'/. /'/. I ml. lint. \. pt. i. 787. X. lUisselliaua, Wai 

 6784. 



;.i;\ and WESTERN PEWIH8ULAS, ( 'ircars, JIV// 7 //,- I'dgaum. Jt'lfdn- : ANDAMAN 

 ISLDS., Kurz; .MAI.AIVA, (ir'ijjitl,; CKVI.O.N, Tltn-n',1. *. \ )J^TI:II;. Malayan Archi, 

 Trop. Africa and Ann-rica. 



Urancin < sjn'i'adiiig glabrous, covered with a red astringent bark, often nidi; 

 spine. Young xluotn angular. /./vx l.j by 1 in. and upward 

 brous, ovate-oblong, or roundish, rounded, vernatioij .-<>ndii; 



petiole ^ in. Flowers j$ in., biM-xual, .^oiii.-iiiin-s pl\ga .mms, white, fragrant, in .-hurt 

 racemes, which arc axillary, or on the ends of thickened contracted sh< 

 terete, 4-G-fl\vered. I'miffx minute. 7>W.s- oblong, acute. C<rl//.i- minute. /'< tnlx 

 many limes longer than the ealyx, e(|iial to th. ' thick. 



Orai-ii ovoid-olilong, gl.-ibroiis, longitudinally suleate, surrounded at the l,ase by the 

 jicrsisu-nt ultimately re! us. Tin: fruit is edible 



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

 Enumeration. 



EXCLUDED 



X. ? OLACIOIDES, W. & A. Prodr. i. 89, is Opilia amentacea, lloxb. 



X. -i^vi-riACA, Juss. Gen. 288; Roxb. Fl. 2nd. ii. 233, is Balanites Roxburghii, 

 lnich. 



Plnich. 



2. OXiAX, Linn. 



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

 petioled, simple. Raci-m"* axillary, simple, or branched. J tracts 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, $tum.<:.n* u.-ually 3, rarely 

 4, 5, generally opposite the edges of the petals all' I attached to their base, 

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

 IT. ((' A.} oblong, 2-celled, dehiscing longitudinally. tit<init'iim/?x 5-G, bifid, 

 usually opposite the petals. Ovary fr*ee, usually surrounded by a shallow, 



