BY EEV. F. E. M. WILSON. 143 



Var. gracile, "Wilson, apotliecia somewhat longer and 

 slenderer than type ; capitula turbinate and much smaller. 

 Spores smaller and narrower, fusco nigrescent. 



Hab. on decorticated decaying eucalyptus, Mount Wel- 

 lington, S. Esk at Launceston, 



3. C. TOseo-aTbid^im, Wilson, rosy whitish, thick, minutely 

 caucellate, chrysogonixQic. Apothecia black, minute, *7 mm. 

 high; stipe '06 mm. thick ; capitula lenticular, '2 mm. broad. 

 Spores nigrescent, oblong or oblongo ellipsoid, apices rotun- 

 date, uniseptate, "005 or more x "002 to "003 mm. 



Hab. on decorticated decaying eucalyptus, Ulverstone. 



The thallus often covers a large part of the tree, and when 

 bruised it becomes a deep yellow. It has a faint i^rimrose 

 scent. 



4. G. piperatum, Wilson, whitish or cincrascent. Apothecia 

 black, sub-sessile, "2 mm. high ; stipe, *! mm. thick ; capitula 

 lenticular, disk plane "25 mm. broad. Spores fusco nigricant, 

 oblong, -004 to '008 x '0025 to '005 mm., uniseptate, gener- 

 ally much constricted at the middle, each cell containing a 

 globular locule. 



Hab. on decorticated decaying eucalyptus, Mount Wel- 

 lington ; South Esk at Launceston. 



6. C. quercmum,, Pers. var. microcmyum, Wilson ; pallid 

 or pallido cinera scent, thin, effuse. Apothecia black, -5 mm. 

 high ; stipe '13 mm. thick ; capitula turbinate, '2 mm. broad, 

 with a thin whitish margin. Spornl mass black, protruded 

 upwards. Spores fuscous, with reddish epispore and nigres- 

 cent nuclei, uniseptate, "008 x '003 mm. 



Hab. on cortex of growing eucalyptus, Mount Wellington, 



6. C. ciirtum, Borr., whitish, thin or evanescent. Apothecia 

 variable in size, to 1'8 mm. high, but often much less, stipe to 

 •2 mm. thick ; capitula turbinate to '6 mm. broad, albo suf- 

 fused beneath. Sporal mass black, protruded upwards. 

 Spores nigricant, ellipsoid, uniseptate, '005 to '01 x '002 to 

 •003 mm. 



Hab. on decorticated decaying eucalyptus, Launceston, 

 at foot of Mount Arthur, St. Mary's, Mount Wellington. 



7. G. roscidulum, Nyl., white, thick. Apothecia '9 mm. 

 high; stipe "1 mm, thick; capitula turbinato lenticular, "4 mm. 

 broad, margin and upper part of stipe golden green. Sjwres 

 fuscescent, ellipsoid, constricted at middle, uniseptate, '003 to 

 •006 X -002 to -003 mm. 



Hab. on decorticated decaying eucalyptus, Launceston. 



8. G. tricolor, Wilson, sulphureous, leproso granulosa. 

 Apothecia black, to '75 mm, high ; stipe, -1 mm. thick ; capitula 



