272 FLORA OF MOUNT DESERT. 



* A. Hamamelidis, 'Ny\. 



Thallus thiu, white, but darkening, very diffused. Apotliecia 

 irregularly shaped, stellate, ramose, plane or somewhat convex, 

 pale within. Sjiores 4-locular, qq^i I 'qq ^ mic. Generally on smooth 

 barks of Hamamelis. Southwest Harbor (Eckfeldt) . 



Tribe IV. CALICIACEI. 



SPHiEROPHOREI. 



SPH^ROPHORUS, Pers.* {Splicer ophoroii, Pers.) 

 S. globiferus (L.), DC. S. coralloides, Pers. 



Thallus fruticulose, somewhat compressed or terete, with erect- 

 ish, minutely fibrillose, ramulose branches, from pale to chest- 

 nut brown. Apothecia black, globose, shining, terlninal with an 

 inflexed margin. Spores spherical, violet black, medullary layer 

 purple with potash reaction, ,009 X .011 mic. " Mt. Desert" 

 (Eckfeldt). 



CALICIEI. 



ACOLIUM, Fee.t 

 A. tigillare (Ach.), De Not. 



Thallus yellow-green or more lemon-colored, granulose or 

 areolate throughout. Apothecia black, stout, erect, more or 

 less innate. Spores brown, ellipsoid to bilocular, " qq- "q^^ mic. 

 On old fence rails and boards. (Eckfeldt) ; — Seal Harbor 

 (Wilson). 



CALICIUM, Pers. J 



* C. subtile, Fries. 



Thallus whitish or ash-colored, very thin, evanescent. Apo- 

 thecia very small, stipe delicate, short and black, capitula very 

 minute, somewhat globose, dark and depressed. Spores brown, 

 2-locular, ^gl'g mic. "Mt. Desert" (Eckfeldt). 



* For description of genus, see Tuck., Syn. N. A. Lichens, part i., 13. 

 t For description of genus, see Ibid. 

 X For description of genus, see Ibid. 



