VRTICACEJE. 



female densely aggregate, globular, finally fleshy ; receptacle 

 sessile or shortly pedicellate ; pedicels terete, or thickened above, 

 bracteolate ; capitula axillary, geminate or more rarely corymbose, 

 sometimes irregularly cymose {Malay, Oceania}). 



IV. PARIETARIE^]. 



33. Parietaria T. — Flowers monoecious or polygamous. Calyx 

 4-merous ; sepals in hermaphrodite or male flowers ovate or shortly 

 acuminate (2 anterior), valvate, finally patent, in females more 

 or less highly connate to tubular or ventricose calyx, glabrous or 

 lanate within. Stamens 4, oppositisepalous hypogynous ; filaments 

 incurved in bud, finally elastically recurved or straight ; anthers in- 

 trorse, or in female flower rudimentary or 0. Germen (rudimentary 

 in male flower) straight, ovoid or oblong ; ovule ascending or sub- 

 erect ; style elongated filiform, erect or short ; apex long laterally 

 papillose, linear (Gesnouinia) or aspergilliform. Fruit dry straight 

 ovoid-subcompressed shining included in marcescent (often elongated) 

 cj'lindrical perianth ; cotyledons of albuminous embryo ovate-oblong 

 nearly as long as radicle. — Shrubs undershrubs or herbs, usually 

 covered with hamate hairs ; leaves alternate entire, 3-ribbed or 3-pli- 

 costate ; C}' stoliths punctiform ; stipules small or ; flowers densely or 

 rather laxly cymose; cjmies axillary, paired, sometimes 1-flowered (Hel- 

 (ui/ia) ; inflorescence androgynous, 3-llowered {Gesnouinia), or more 

 often polygamous, 3-x> -flowered ; herbaceous bracts 1-3, involucrant 

 {Temperate and subtropical regions of both hemispheres). See p. 504. 



34. Hemistylis Benth. 2 — Flowers monoecious. Male calyx 4-par- 

 tite ; segments acute, valvate. Stamens 4. Rudiment of gymeceum 

 obovate, lanate at base. Female calyx ventricose-tubular ; mouth 

 contracted, 4-dentate. Germen ovoid-lanceolate free ; ovule erect ; 

 style filiform, straight or incurved, sometimes stigmatose from base 

 to apex, articulate at base, soon deciduous. Achene compressed, for 



1 Spec. 9. Wedd., in Ann. Se. Nat., ser. 4, i. (Urtica). — Miq., Fl. hid. Bat., i. p. ii. 284.— 



195; Monogr., 465, t. 15, fig. IS (Missiessi/a). — Seem., Fl. Tit., 214 (Missiessya). 

 El., Bijdr., 498 ( Urtica) ; Mus. Lugd.-Bat., ii. 2 Plant. Kartweg,, 123. — Wedd., Monogr., 



t. 24 (Touchardia).— Roxb., Fl. Ltd., iii. 589 524, t. 18, C ; Prod,:, 235 5I . 



