BY L. ROD WAY. 69 



2. Closely decumbent, midrib very pro- 



minent on ventral surface rliodina 



Midrib rather flat 3 



3. Midrib slender, wings decurrent, 



usually twice forked hymenophyUa 



Midrib bold, base of wings bluff, sim- 

 ple or once forked ohovata 



Sy)nijhy(j(jyna inierrupta, C. et P. — Delicate, procum- 

 bent or ascending, fronds to 2 cm., stipitate below abruptly 

 expanded, with broad wings above, simple, or with few 

 bra.nches ; midrib slender ; wings in some instances inter- 

 rupted; margin entire. Calyptra 5-7 mm. long; bract 

 narrow, oblong, laciniate above ; capsule cylindric. Spores 

 20 IX. ^ asperate. 



Closely resembling Podomitrium phyllanthus. Mitt. 



Slopes of Mt. AVellingtou. Eastern Australia. 



Symphyoyyna rhodnia, Tayl. — Rosy, closely decum- 

 bent, about 1 cm. long, 2-3 mm. diameter, forked ; dorsal 

 surface concave, ventral with a deeply produced bold mid- 

 rib ; wings ascending, more or less dentate. Calyptra 

 about 6 mm. long, bract deeply lobed ; spores 20 /z., 

 asperate. 



On clay bank, Iluon-road. New Zealand. 



Sym phyogyna hymenopliylla (Hoolc), Sf. — Frond sub- 

 erect, forked into a broadly obconic fan, membranous 

 wings, broad, coalescing and decurrent below, margin 

 coarsely dentate, midrib slender, vanishing in or below the 

 obtuse apex. Calyptra slender, often exceeding 1 cm., 

 apex fimbriate, and carrying sterile archegonia ; bract 

 oblong or quadrate, margin strongly dentate or fimbriate. 

 Spores 18 /j.., papillate. 



Apex occasionally with a flagellate rooting tip. 



Very common. Australia. New Zealand. 



Sympliyogyna ohovata, Tayl. — Fronds decumbent or 

 ascending, about 2-3 cm. long, abruptly expanding, with 

 broad, crisped membranous wings, simple or with few 

 branches, midrib strong, attenuated towards the apex, 

 margin rather regularly dentate. Calyptra about 1 cm. 

 long, usually rosy, cylindric ; bract deeply divided once 

 or twice, fimbriate. Spores 22 ^, , yellow, with fine brown 

 reticulations. 



Yerv common. Australia. New Zealand. 



