Gyrotxnia 



UETICACE^. 



55 



Leaves alternate. 



Stigma penicillate-capitate. Shrubs or small trees. 

 Flowers sessile, thickly clustered on the rhachis, which 



becomes fleshy in fruit. Female perianth 2-lobed 1. Gyrotmnia. 

 Flowers stalked. Female perianth 4-lobed, becoming 



somewhat fleshy and enlarged in fruit 2. Urera. 



Stigma very short, becoming hooked in fruit. Annual 



herbs 3. Fleurya. 



Stigma filiform. 

 Stigma persistent. 



Flower-clusters sessile in axils or forming a spike, 

 with small scarious bracts. Female flower with 



perianth. Shrubs or herbaceous 5. Bo&hmeria. 



Flower-clusters sessile in axils, with large ferruginous 



bracts. Female flower without perianth. Shrubby 6. Phenax. 

 Stigma not persistent. Female flowers geminate in 

 the same axil, each with a broad bract. Perennial 

 herb 7. Roiisselia. 



1. GYROTMNIA Griseb. 



Shrubs or small trees. Leaves alternate, entire, triplinerved ; 

 cystoliths fusiform, of various lengths, prominent, densely covering 



Fig. 17.— Gyroioenm spicata Wedd. 

 A, Shoot bearing male spikes. D, Part of shoot showing female spikes. 



B, C, Male flower. 



E, Cluster of fruits. 



the upper surface of older leaves ; stipules small, lateral, free, 

 caducous. Flowers dioecious, sessile, densely crowded in clusters 

 more or less continuous, in axillary spikes or panicles. Male 

 flowers : perianth 4-partite, segments imbricate. Stamens 4. 

 Ovary rudimentary. Female flowers: perianth small, 2-lobed. 



