150 



GENUS X. SECTTEINEGA. 

 Dicecia Fentandria. Sea: Syst: 



Deriv. Prom Securis, an axe, and -ZVeyo, to refuse, alluding to 

 tlie hardness of the wood. 



Gest. Chae. Segments of both calyces quincnncial : petals 

 none : male disc extrastaminal, glands alternating with the 

 calycine segments and stamens : stamens inserted round the ru- 

 diment of an ovary : anthers 2-cleffc, cells cohering lengthways : 

 cells of the ovary 2-ovuled : fruit capsular, tricoccous: shells 

 2-valved: seeds ecarunculate, exarillate, albuminous: embryo 

 almost straight : radicle nearly equalling the cotyledons : coty- 

 ledons fleshy, lightly curved. — Trees or shrubs : leaves minutely 

 bistipulate, feather-nerved, reticulately veined, entire, membra- 

 naceous or chartaceous, very often brownish-green, beneath often 

 glaiicescent : flowers always axillary, males fascicled, short pedi- 

 celled, females less numerous than the males, or solitary and 

 longer pediceUed : calyces 5-parted : segments persistent, ovate, 

 outer 2 commonly a little smaller than the rest : glands of the 

 male disc most usually free, ovoid or ellipsoid, longer than broad, 

 often angular : disc hypogynous 5-lobed : stamens -5, opposite the 

 segments : fllaments free : anthers introrsely or laterally, or most 

 frequently distinctly extrorsely 2-cleft, oblong-ellipsoid, emargi- 

 nately obtuse at both ends : rudimentary ovary 2 — 3-partite ; 

 ovary 3-celled, smooth : styles 3, shortly connate at the base, 

 2-cleft or lobed at the apex : fruit more or less fleshy, opening as 

 a capsule, tricoccous : shell 2-seeded : seeds obtusely 3-cornered, 

 smooth : cotyledons narrow ovate, elliptic or obovate. 



(1) S. OBOTATA. {Muller.) 



Ident. Dec. prod. XV. s. 2. p. 449. 



Syn. Xylophylla obovata, Willd. Mnum. pi. Sort. Berol. — 

 Drypetes Bengalensis, Spreng. Syst. — S. Abyssinica, A. 'Rich-, 

 tent. flor. Abyss. — Leptonema melanthesoides, Muller in Sook. 

 Journ. Bot. 1857. p. 17. — PhyUanthus virosus, Baill. Mud. gen. 

 Euphorh. — Fluggea microcarpa, Blume Bijdr. p. 580. — E. leuco- 

 pyrus, Balz. Bomb. Flora p. 236 {non alior). — P. Abyssinica, 

 Baill. I. c. p. 593. — 3?. ovalis, ejusd. I: c. — P. virosa, ejusd. I. c. 

 {not Dale.). — P. Sinensis, ejusd. I. c. — P. arborescens, Boj. Sort. 

 Maurit. p. 278. 



Ungrav. Baill. Etud. 1. c. t. 26. fig. 39—43. 



Spec. Chae. — Tree : branchlets more or less acutely 4-cornered, 

 glabrous : leaves oblong-ovate or subeUiptic, obtuse or retuse, 

 sometimes acute, subcuneate at the base : male flowers fascicled, 

 females subfascicled, fewer: calycine segments lacerate-denticulate, 

 or outer ones more or less entire : fllaments exserted : glands of 

 male flowers almost 4-winged : younger styles narrowly recurved, 



