RUTACEÆ. 475 
40. Diplolæna R. Br.'—Flowers nearly of Chorilena, without 
sepals; petals 5, squamiform, naked or ciliate. Stamens 10, 
2-seriate, disk, gynæceum, and fruit of C#orilena—Shrubs, with 
stellate tomentose hairs; leaves alternate petiolate, linear or oblong 
entire glandular-punctuate ; flowers small in axillary pedunculate 
nutant capitula (simulating flowers), inflorescence densely crowded 
and sessile on flat receptacle; bracts o, imbricated in involucre 
round flowers; exterior shorter pubescent or tomentose; interior 
petaloid (simulating corolla) larger (South-West Australia’). 

V. ZANTHOXYLES. 
Al. Zanthoxylum L.—F lowers polygamous-diæcious ; receptacle 
short convex. Sepals 2-6 (or more rarely 0), more or less high 
connate, imbricated. Petals same in number (or sometimes 0), im- 
bricate or induplicate-valvate. Stamens equal in number to petals 
(in female flower effete, rudimentary or 0) ; filaments inserted below 
disk (in male flower minute or 0, in hermaphrodite female longer 
produced) ; anthers introrsely 2-rimose. Gynæceum (in male flower 
rudimentary, simple or 2—5-partite) 1-5 carpels or more rarely 
6-8 oppositipetalous and constant; germens l-locular free or very 
rarely (Perijæa) connate in plurilocular ovary ; ovules in each 2, in- 
serted at the internal angle, descending; micropyle extrorse supe- 
rior; styles apical or inserted at a greater or less height at internal 
angle of germen, more or less elongated, free or more or less joined 
among themselves; apex stigmatiferous rather thick. Fruit of 
1-5 cocci, or very rarely plurilocular, loculicidal capsular; cocci 
often drupaceous glandular, usually 2-valved ; endocarp sometimes 
solute. Seeds oblong or subglobose widely umbilicate, at maturity 
pendent by filiform funicle; testa hard, usually crustaceous black ; 
albumen fleshy oily; embryo axile straight or curved; cotyledons 
foliaceous flat; radicle short superior.—Trees or shrubs, glabrous 
or pubescent, unarmed spinescent or straight recurved and bristly 
aculeate ; leaves alternate 1—co -foliolate usually imparipinnate ; 

1 In Flind. Voy., ii. 546.—DEsr., in Mém, ? Spec. 4. Barts, in Pl. Preiss., i. 173.— 
Mus., iii. 450, t. 19, 20.—DC., Prodr.,i.719.— Hoox., in Bot. Mag., sub n. 4059.—BENTH., 
A. Juss,.,in Mém. Mus., xii. 479.—ENDL., Gen, Fl. Austral., i. 358. 
n. 6011.—B. H., Gen., 295, 990, n. 44. 
