Riddle: Lichens Collected in Jamaica 139 



102. UsNEA DASYPOGA (Ach.) Nyl. apud Hue in Nouv. Arch. 



Mus. d'Hist. Nat. Paris III. 2 : 270. 1890. Cummings 

 nos. 7 and 8. 



103. UsNEA FLORIDA (L.) Web. in Wigg. Prim. Fl. Holsat. 91. 



1780. Cummings no. 3. 



104. UsNEA LAEvis (Eschw.) Nyl. Syn. i: 271. 1858. Cum- 



mings no. I. A part of the material is minutely white 

 spotted, but it is not at all papillate. (Usnea plicata Ach. 

 was issued in Merrill's Lich. Exsic. no. 109, but the 

 species was not represented in the two sets which formed 

 the basis of this enumeration.) 



105. Teloschistes flavicans (Sw.) Norm. Con. Praem. Gen. in 



Nyt Magazin for Naturvidensk. 7: 229. 1853. Cum- 

 mings nos. 167 and 169. Issued in Merrill's Lich. Exsic. 

 no. 59. 



106. Buellia stipitata sp. nov. 



Thallus entirely endophloeodal. Apothecia elevated and sub- 

 stipitate, 0.8-1.6 mm. in diameter, brownish-black, at first con- 

 cave, with a prominent, thick, concolorous margin, then becoming 

 plane, the margin less prominent but persistent, and the apothecia 

 more or less flexuous. Epithecium fuliginous ; hymenium hyaline, 

 with iodine, blue, quickly becoming vinous-red ; hypothecium 

 brownish-black, subtended by a thick, fuliginous, pseudoparen- 

 chymatous region. Spores 8, brown, broad fusiform, bilocular, 

 rarely each cell biguttulate, 14-17 X 5-? f^- 



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

 no. 122, in herbarium of Wellesley College. 



107. Buellia subdisciformis (Leight.) Wainio (1890) i: 167. 



Cummings no. 147. 



108. RiNODiNA CoNRADi Kocrb. Syst. Lich. Germ. 123. 1855. 



Cummings nos. 116 and 165. 



109. RiNODiNA EXiGUA (Ach.) Th. Fr. Lich. Scand. 201. 1871. 



R. sophodes var. exigua Tuck. Syn. N. A. L. i : 208. 

 1882. Cummings no. 126. 



no. Pyxine picta (Sw.) Tuck. Syn. N. A. L. i : 79. 1882. 

 Cummings no. 112. 



