HEDWIGIACEI. 245 



obscurely plicate, acuminate but not hair-pointed, minutely 

 serrate above; veil conical, split more or less at the base; 

 leaf-cells very narrow, elongated and flexuose at the basal 

 disk, elsewhere punctiform, minutely papillose above; male 

 flowers at first terminal. '. 



78. HEDWIGIA, Ehr. 



Sporangium immersed, subsessile, globose ; ring none; peri- 

 stome none ; veil conical, smooth or hairy ; branches dicho- 

 tomous ; leaves nerveless, erose, diaphanous and ciliated above, 

 papillose. 



1. H. ciliata.— Hook. $ Wils. t. vi. ; Eng. Bot. t. 1179.; 

 (Plate 21, fig. 8) ; Moug. §■ Nest. n. 12. 



On rocks and stones, especially those which are granitic or 

 arenaceous, in mountainous countries. Bearing fruit in early 

 spring. 



Monoicous; forming loose, glaucous-green, hoary patches. 

 Stem at first erect ; branches more or less fastigiate ; leaves 

 spreading, densely imbricated when dry, oblongo-lanceolate, 

 with diaphanous eroded or ciliated points, nerveless, decurrent 

 below ; perichsetial leaves much ciliated ; sporangium globose ; 

 lid plano-convex, with or without a central papilla. 



A very variable plant. Veil sometimes naked, sometimes 

 hairy ; leaves sometimes striate, wider or narrower, more or 

 less distinctly produced, varying in direction and colour ; the 

 lid blunt or acute; male flowers lateral; leaf- cells above 

 larger and less regular, those on the basal disk broader; 

 leaves more or less transparent, strongly papillose. 



Oedee XXVI. ENCALYPTEI, Br. & Schimp. 

 Sporangium straight, cylindrical, even or striate, covered 



