242 HANDBOOK OF BRITISH HEPATIC^. 



closely imbricated. Antheridia numerous, oval, 

 solitary in the axils of the leaves. Fertile shoots 

 stouter, clavate, erect. Outer involucral leaves 

 occupying one-third of the shoot, subquadrate, free 

 from the inner, cleft half way into obtuse pointed 

 lobes, sinus narrow, reflexed; lobes entire. Inner 

 involucral leaves connate for two-thirds, trilobate 

 segments irregularly dentate, one-third shorter than 

 outer leaves. Calyptra campanulate. Capsule 

 sphaerical, cinnamon brown, pedicel stout, one line 

 long. Spores irregularly round, 12-15/i. Elaters 

 bispiral, narrowly fusiform. — {Plate 7, fig. 84.) 



From G. concinnatum and G. coralloides known 

 by its smaller size, absence of the creamy glaucous 

 colour, and the scariose margins of the leaves in 

 those species. 



Sub-tribe VII FOSSOMBRONIEJE. 



Plants foliose, or often frondose. Male 

 flowers longitudinally marginal ; antheridia 

 two to five. 



Genus 33. SCALIA, Gray. 



Involucre two-leaved, opposite, conforming 

 with the stem leaves ; perianth none ; calyp- 

 tra free, naked, exserted, elongated, cylin- 

 drical, longer than the perichsetium ; capsule 

 four-valved ; coriaceous, valves straight, 

 bearing elaters at the apex ; elaters bispiral, 

 persistent— Gray Arr. Br. PL, p. 705. Spruce 

 Hep. A mas., p. 531. 



