Riddle: Lichens Collected in Jamaica 131 



ginate, ferruginous-brown to almost black. Epithecium pale 

 greenish; hypothecium pale; paraphyses filiform, sparingly 

 branched above, hymenium hyaline, becoming blue with iodine. 

 Spores 8, hyaline, 4-locular, fusiform-oblong with rounded ends, 



17-22 X 6-9 /X. 



Type collected on earth, Jamaica, B. W. 1. Clara E. Cummings 

 no. 164, in herbarium of Wellesley College. In habit, this species 

 resembles B. artytoides (Nyl.), but it is distinct in the discrete 

 granules of the thallus, in the convex and emarginate apothecia, 

 and in the pale hypothecium. 



29. Bacidia endoleuca (Nyl.) Kicks. Fl. Crypt. Eland, i: 261. 



1867. Biatora atrogrisea (Delise) Hepp. Cummings 

 no. 148. 



30. Bacidia RUBELLA (Hoffm.) Mass. Ric. sull. auton. Lich. 118. 



1852. Biatora Rabenh. Cummings no. 124. 



31. Bacidia subgranulosa (Tuck.) comb. nov. Lecidea micro- 



phyllina var. subgranulosa Tuck. Proc. Am. Acad. Arts 

 and Sci. 6: 278. 1864. Biatora subgranulosa Tuck. Syn. 

 N. A. L. 2: 40. 1888. Cummings no. 118. 



32. Toninia janeirense (Muell. Arg.) comb. nov. Thalloidima 



Muell. Arg. Hedwigia 31 : 280. 1892. Cummings no. 48. 

 The specimens agree exactly w^ith the description, but 

 there has been no material available for comparison. 



33. BoMBYLiosPORA TUBERCULOSA (Fee) Mass. Ricerch. sull. 



auton. Lich. 116. 1852. Heterotheciiim F\ot Cummings 

 no. 145. 



34. Lopadium amaurum (Wainio) comb. nov. Lecidea Wainio 



in Journ. of Bot. 34: 103. 1896. Cummings no. 152. 



35. Lopadium leucoxanthum (Spreng.) Zahlbr. Sitzungsber. 



kais. Akad. Wiss. Wien III : 398. 1902. Heterothecium 

 Mass. Cummings no. 146. 



36. Phyllopsora furfuracea (Pers.) Zahlbr. in Engler & 



Prantl Nat. Pflanzenfam. Teil i, Abt. i*, p. 138. 1905. 

 Lecidea Pers. and many authors. Biatora Tuck. Cum- 

 mings nos. 49 and 137. 



