BY EEV. F. E. M. WILSON. 159 



3. R. Ecklo7ii, Spreng., vai'. 1, vieiibranacea, Laur., pallido 

 glaucous or pallid, membranaceous, compressed, laciniate, 

 lacinise attenuato linear, glabrous, striated, apices acuminate, 

 inciso divided. Apotliecia small, marginal or scattered, 

 pallido carneous. Spores ovate or arcuate, 1 septate, 

 •012 X -005 mm. 



Hab. on trees. St. George's Bay, Simson. 



Var. 2, ovalis, Tayl. = E. ovrlis, Tayl., straw coloured or 

 pallid, membranaceous, glabrous, minutely lacunose, obovate, 

 simple, or sometimes broadly lobato divided. Apotliecia 

 small, scattered all over the upper surface. 



Hab. on trees. Gunn, Hook. Fl. Tasm. 



4. R. brevis, Wilson, var. brevissima, WilsoD, glaucous or 

 pallid, very short (3 to 10 mm. long), broadly applanate, 

 more or less divided at tlie circumference. Apotliecia large, 

 scattered, elevated, disk concave, carneous, or albid, margin 

 often inflexed. Spores oblong, slightly curved or reniform, 

 1 septate, -08 to -09 x -004 mm. 



Hab. on small branches of trees and bushes. Ulverstone; 

 Antill Ponds, Weymouth. 



5. R. fastigiata, Pers., pallid straw coloured, small, densely 

 csespitose, lacinise sub-compressed, dilated and inflated 

 upwards, smooth, lacunoso impressed, and nervoso rugose. 

 Apothecia terminal, peltate, sessile, sub-fastigate, on very 

 short divergent extremities of the lacinise, receptacle plicato 

 rugose. Spores ellipsoideo oblong, straight or curved, 1 

 septate, -012 to '017 x 006 to -007 mm. 



Hab. on trees. Hook. L. J. Bot. 



6. R. genicuiata, Tayl. = R. inflata, Bab. = R. pusilla, Le 

 Prev., pallid or straw coloured, csespitose, sub-fastigiate, 

 ramose, sub-terete or sub-compressed, smoother obsoletely sub- 

 nervose, often perforated with minute round holes, internally 

 fistulose, branches attenuate. Apothecia pallido testaceous 

 or glauco albid, terminal or sub-terminal, receptacle smooth 

 or rugulose, sessile on a turgid branch or appendiculate. 

 Spores oblong or fusiformi oblong, straight or obsoletely 

 curved, '009 to '015 x '004 to -007 mm. 



Hab. on living and decaying twigs and branches of trees 

 and bushes, Macquai'ie Plains, Oldfield, Oheshunt, Archer, 

 Eecherche Bay, Lake St. Clair, and St. Patrick's liiver, Gunn^ 

 Hook. PI. Tasm.; Krplh.; Hobart, Brown's Eiver, Laun- 

 ceston ; and B. v. M. Yic. Nat., 1887, and Weymouth. 



Series IV, Phyllodei. 

 Thallus foliaceous, depressed, lobate, or variously laciniate or 

 stellate, very rarely csespitoso intricate ; medulla stuppeous. 

 Apothecia peltiform, or lecauorine, of lecideine, or gyrose. 



