364 PROF. T. M. FRIES ON THE LICHENS 



cious. The description is, in short, the following : — Crusta fere 

 obsoleta ; apothecia parva, convexa, atra, verrucse thallina) albidse 

 adnata; hypothecium incoloratum ; paraphyses gelatinosocon- 

 cretae confluentesve, apice obscure violascentes ; asci breves, ven- 

 tricosi ; sporae minuta) (forsan nondum maturce); gelatina hymen, 

 iodo intense persistenterque cserulescens. Thecio (etsi angus- 

 tiore) cum L. petrosa fere congruit. 



* 



) 



Westw 



Floeberg Beach ; Discovery Bay ; Cape Union, altit. 1200 feet. 



Var. y. papillata (Smrft.), Th. Fr. On old bones and wood 

 in the vicinity of Floeberg Beach. In the same locality on mosses 

 a middle form between /3. mmcorum, y. papillata, and I. albo- 

 cincta. 



82. Buellia yilis, Th. Fr. Spitsb. p. 44. 



Some few apothecia on stone at the winter-quarters of the 



1 Alert.' 



Obs. Orphinospora groenlandica, Korb. Zw. Deutsch. Polarf. 

 ii. p. 81, is only an undeveloped state of Buellia moriopsis (Mass.), 

 Tb. Fr., growing in a dark place, crusta parum evoluta, verrucis 

 supra hypothallum dendriticum sparsis. On the contrary, B. 

 Fayeri, Korb. ibid. p. 80, seems to be quite a distinct species, the 

 description of which, according to the original specimens, is the 

 following : — Crusta crassiuscula, areolato-verrucosa, verrucis levi- 

 ter convexis, epithallo rimuloso, cinerascentibus, K — ; hyphse iodo 

 cserulescentes ; apothecia diam. ad 1 mm. lata, primum innata 

 dein adpressa thallumque paullo superantia, plana tenuiterque 

 marginata vel demum leviter convexa immarginata, nuda, sca- 

 brida; thecium 0090-0140 mm. altum ; hypothecium fuscum; 

 paraphyses gelatinoso-conglutinatae, apice fuligineae vel nonnihil 

 vergentes in atropurpureum (qui color, ut etiam in excipulo, & 

 intensior evadit); asci inflato-clavati (minime " mox evanidi ); 

 sporae 8nse, ellipsoideie vel breviter ellipsoidese, utrinque obtusae 

 (immixtis abnormiter evolutis, fere globosis), diblastse, nign- 

 cantes, 0011-0015 mm. longse et 0-006-0008 mm. crassa> ; gela- 

 tina hymen, iodo intense casrulescens. 



83. Buellia (Diplotomma) alboatra (Hoffrn.), Th. Fr. 



On stones : Westward-Ho ! Valley (apotheciis nudis) ; Floe- 

 berg Beach (apotheciis pruinosis). 





J 



* 



