72 TASMA^'IAN BUYOPHYTA, 



5. Perianth towards the base Adehinthus 



Perianth terminal 6 



6. Leaves with an acute apex Cu^pidatula 



Leaf apex obtuse 7 



7. Leaves strongly succubous Jame>iunielUi 



Leaves nearly transverse 8 



8. Leaves entire Aylozia 



Leaves retuse Splienolohus 



9. Plant procumbent 10 



Plant ascending or erect 11 



10. Marsupium cylindric Syrajtliyoinitrd 



MarsLipium, short, broad Alicularia 



11. Marsupium apical Tylimanthufi 



Marsupium basal Marsui^idium 



12. Small, green 13 



Robust, rigid, reddish Aiuo'trojdiylluni 



13. Cuticle smooth SpJi(/i(}Ioh'Uf< 



Cuticle joapillose Acroholhux 



Sub-family Lophocoleoidae. — Leaves succubous, rela- 

 tively large, entire or dentate or sometimes 2-lobed ; under- 

 leaves always present, nearly always miich smaller than 

 and very dissimilar to the leaves. 



1. Sporophyte inserted in a perianth 2 



Sporojohyte in a marsupium Sdccoyyna 



2. Perianth at a distance from the 



apex CIn'IosrypIiu.'< 



Perianth apical 3 



3. Perianth triquetrous or cylindric, 



mouth 3-lobed Lopiiorolcd 



Perianth flattened and bilobcd at the 



mouth Lej}f(tsryj/Iii(s 



Perianth trigonous, mouth dentate, 



leaves with a thick margin ... Odonfoffrln's/na 



Sub-family Ptilidioideae. — Leaves usually small, in- 

 cubous to transverse, rarely slightly succubous, bilobed to 

 many lobed, lobes acute often spinous ; underleaves j^re- 

 sent (except in some Cephalozia,), similar to the leaves and 

 often nearly as large. One species of Leinhld'nini has entire 

 leaves. 



1. Leaves reduced to small lateral lobes ; 



underleaves rudimentary Zoojysis 



Leaves not so reduced 2 



2. Leaves bilobed 3 



Leaves with more than 2 lobes rarely 



bilobed in Lepidozia 6 



