150 TASMANIAN LICHENS. 



12. C. comodendroides, Wilson; thallus of small pale 

 squamules investing the base of the podetia. Podetia elon- 

 gated dichotomously, divergent i furcate, with branches and 

 ramnles generally at right angles to each other, sometimes 

 irregularly clavale or contorted and swollen, or simple and 

 subulate, wholly covered with whitish or cinereo virescent 

 powder. Apothecia rare, pale fuscescent. 



Hab.on earth. Mount Wellington, Ulverstone ; Kermandie 

 Valley, Bastow. Possibly a variety of C. furcata. There is 

 almost complete atrophy of the cortical layer of the podetia, 

 leaving only a few scattered squamules and often atrophy 

 also of the gonidial layer, leaving only the chrondroid 

 medulla, clothed more or less with whitish powder. 



13. C. cenotea, Ach. = C. brachiata, Pr. of Hampe ; thallus 

 almost leafless, or with a few lobato crenate squamules at the 

 base of the podetia, which are cylindrical, whitish, or cineras- 

 cent, pulverulent, axils and apices dilated, scyphoid, perforated, 

 the margins of the apertures denticulate, and generally pro- 

 liferous, the podetia then ramose, repeatedly proliferous, the 

 apertures generally fuscescent within, apothecia pallescent or 

 fuscous. 



Hab. on trunks of trees, among mosses, Stuart^ Hampe. 



14. C. squamosa, Hffm., = Cejwmyce sparassa, Ach. of Taylor 

 and Hampe ; thallus squamulose, podetia caespitose, whitish 

 green, cylindrical, two inches high, erect, repeatedly branched, 

 proliferously denticulate, or subulate from margins of the 

 minute irregular scyphi, apices rigid, sub-corymbose, radiato 

 cristate, glabrous, longitudinally sub-lacunose, cortex entire, 

 clothed with minute leaflets or scales, apothecia clustered, 

 fuscous. 



Hab. Cheshunt, &c., Gunn, Hooker, Oldfield, Lyall, Hook. 

 L.J., Bot.; Hook. PI. Tasm.; Stuart, Hampe; Krplhb. ; Mount 

 Wellington, Brown, Cr. 



15. C. delicata, Plk., var. subsquainasa, ISTyl. Thallus 

 squamulose, white or cinereous ; podetia whitish, slender, 1 to 

 2 inches high, partially glabrous, cartilaginous, longitudinally 

 ribbed or fissured, clothed at intervals at the base with 

 spreading, incised, and crenate scales, granulate in the upper 

 part, branched, radiato cristate, subcorymbose ; K + C — . 



Hab. on decaying logs and trunks of trees. Mount 

 Wellington; New Town Falls, Bastow. 



16. C. capitellata,-=^ Cefiomyce capillata, Tayl., = C. afnaurocrea, 

 var. capitellata of Nyl., thallus sparingly foliolose at the base of 

 the podetia, and occasionally throughout ; podetia straw- 

 coloured or pallid, slender, smooth, rigid, dichotomously 

 branched, dilated here and there as if with scyphi, which are 



