Graff: Fungi and Lichens from Guam 



21 



Physcia (Schreber) Wainio 

 Physcia aipolia (Ach.) Nyl. Flora 1870: 38. 1870 

 Parmelia aipolia Ach. Syn. Lich. 215. 1814. 

 Physcia stellaris (Linn.) Fr. var. aipolia Nyl. Notis. Sallsk, 

 Fauna Flora Fenn. 5:111. 1861. 

 Gaudichaud, in herb. Paris Mus. 



Collected in Europe ; the American and Asiatic tropics. 



Physcia crispa (Ach.) Nyl. Syn. Lich. i 2 : 423. i860 



Parmelia crispa Ach. Syn. Lich. 312. 181 4. 

 Physcia domingensis Nyl. Enum. Lich. 106. 1857. 

 Gaudichaud, in herb. Paris Mus. 



A purely tropical species so far as known and collected only irt 

 the American tropics and the islands of the Pacific. 



Anaptychia Koerber 

 Anaptychia dendritic (Pers.) Wainio, Lich. Bresil 134. 1890 



Borrera dendritica Pers. in Gaud. Bot. Freyc. Voy. Uranie 207. 

 1826-30. 



Gaudichaud, in herb. Paris Mus. 



This species as yet has only been reported from Brazil and the 

 Marianne Islands. 



Rhipidonema Mattirolo 



Rhipidonema membranaceum (Arg.) Sacc. Syll. Fung. 6: 688. 



1888 



Dictyonema membranaceum Arg. Syst. Alg. 85. 1824. 

 Gaudichaud, in herb. Paris Mus. 



Described from material collected in the Marianne Islands by 

 Gaudichaud and placed under the Confervoideae. The species, 

 however, belongs to the small group of the Hymenolichens which 

 seem to be confined to a tropical habitat. 



Found in the tropics of both the old and new world. 



Doubtful species 



The following questionable species have been excluded from 

 the list above. They are from Persoon's enumeration of Gaudi- 



