URTICACEJE. 521 



in accrete baccate and coloured calyx. Seed very sparingly albu- 

 minous ; cotyledons of embryo rotundate emarginate on both sides. — 

 Small trees, shrubs or erect undershrubs, sometimes climbing, plenti- 

 fully or more rarely sparingly stimulate or aculeate (sometimes un- 

 armed?) ; leaves alternate entire, crenate, dentate or incised, penni- 

 veined or digitiveined ; cystoliths punctiform, oblong or fusiform ; 

 stipules axillary, 2 -keeled, entire or 2-fid, deciduous ; flowers' either 

 discrete, or in glomeruli (sometimes capituliform) ; glomeruli aggre- 

 gated into 1 -parous or 2-chotomously 2-parous cymes; inflorescences 

 solitary in each axil, 1 -sexual; male pedicels articulate; bracts usually 

 {Tropical, rarely Extra-tropical America, Oceania, and Africa*). 



8. Scepocarpus Wedd. 3 — Flowers dioecious (?) ; males...? Female 

 calyx tubular, wholly including germen ; mouth contracted incon- 

 spicuously denticulate. Germen straight oblong ; ovule erect sub- 

 sessile ; stigma sessile penicillate-capitate and rotundate, persistent. 

 Achene obliquely set on thickened pedicel, obliquely ovate, convex 

 on both sides rather smooth, closely clothed by baccate 4 perianth. 

 Seed of Urera. — A climbing stinging shrub; leaves alternate dentate, 

 3-ribbed very small subpunctiform ; stipules axillary entire, de- 

 ciduous ; female flowers glomerulate ; glomeruli in 1-parous or 

 spuriously 2-chotomous axillary cymes {Tropical Western Africa"). 



9. Gyrotaenia Griseb. 6 — Flowers dioecious. Male calyx 4-partite; 

 segments orbicular ; bud subumbilicate. Stamens 4 ; anthers reni- 

 form. Rudiment of gynaeceum globose. Female calyx small, 2- 

 lobed ; lobes equal, ciliate-denticulate at edge. Germen straight 

 ovoid-oblong ; ovule erect ; stigma sessile penicillate-capitate rotund- 

 ate, persistent. Achene (almost dry) scarcely oblique ovate sub- 

 compressed, accompanied at base by unchanged calyx. — Shrubs or 



1 Coloured. Herald But., 194, n. 494.— Miq., in Mart. Fl. 



2 Spec, about 18. L., Spec, 1398 (Urtica).— Bras., Urtic, 194 ; Fl. Ind. Bat., i. p. ii. 232. 

 Sw., Fl. Lid. Occ, i. 322 (Urtica).— Pom., 3 Prodr., 98. 



Diet., Suppl., iv. 224 (Urtica).— Jacq., Sort. 4 "Coloured." 



Sehaenbr., iii. 71, t. 386 ( Urtica).— H. B. K., 5 Spec. 1. S. Mannii Wedd., loc. cit. 



Nov. Gen. et Spec, ii. 41 (Urtica).— A. Rich., 6 In Mem. Amer. Acad. Sc. et Art., n. ser., 



Fl. Abyss. Tent., iii. 260 ( Urtica).— Wedd., in viii. (1860), 174 ; Fl. Brit. W.-Ind., 155.— 



Ann. Sc. Nat., ser. 3, xviii. 177, 203 ; ser. 4, i. Wedd., Prodr., 99. 



177.— Geisfb., Ft. Brit. W.-Ind., 154.— Seem., 



