49 



insularis Nyl. Pac. 

 tenebrosa Fl. Arc. 

 lugubrls (Smf.) Nyl. Arc. 

 panoeola (Ach.) Fr. Arc. 

 Rhaetica Hepp. Arc. 

 elata Schjer. Arc. 

 epiiodiza Nj'l. Arc. 

 subtristlsiuscula. Nyl. Arc. 

 lugubrior Nyl. Arc. 

 pycnooarpa Kbr. Atl. 

 vorticosa (Flk.) Kbr. Arc. 

 conferenda Nyl. Arc. 

 borealis-Kbr. Arc. 

 pallida Th. Fr. Arc. 

 sublimosa Nyl. Arc. 

 brachyspora'Th. Fr. Arc. 

 scrobiculata Th. Fr. Arc. 

 ultima Th. Fr. Arc. 

 despecta Th. Fr. Arc. 

 melapsepha Nyl. Arc. 

 dendroclinis Nyl. Arc. 

 lygotropa Nyl. Arc. 

 cyrtidia Tuck. Atl. 

 crassipes Th. Fr. Arc. 

 paraphanaNyl. Arc. 

 vitellinaria Nyl. Pac. 

 enteroleuca Fr. G. 

 melancheima Tuck. G. 

 parasitica Flk. Arc. 



2. Spores 2-plurilocular. TONINIA. 



acclinis Fl. Atl. 



caudata Nyl. Alp. 



granosa Tuck. Atl., S. 



massata Tuck. Pac. 



squalida (Schleich.) Ach. Pac, Arc. 



ruginosa Tuck. Pac. 



flavo-vii'escens (Dicks.) Borr. Alp. 



3. Thekes polysporous. Sporastatia. 



morio (DC.) Schser. Alp. 



BUELLIA (DN.) Tuck. 



A. Thallus lobulate. Catolechia. 



epigKa (Pars.) Tuck. Pac. 



badia (Fr.) Kbr. Pac. 



pulchella (Schrad.) Tuck. Alp., Arc. 



scabrosa (Ach.) Kbr. Alp., Arc; 



Catawbensis n. sp. Thallus thickish, squamulose, peltate, orbicular, 

 (about 4 inch in diam.) sub-entire, white, beneath black and naked. 

 Apoth. innate-superficial, the dii?k even with the thallus, black, at length 

 crowded and confluent in the centre of the th., hypothecium black, the 

 p]-oper exciple deficient; paraphyses distinct, agglutinate; Spores oblong- 

 ellipsoid, 2 loc. brown, .Ol.i-lS mm. by .007-8 mm. On rocks along Ca- 

 tawba Kiver, Landsford, S. C, Prof. H. A. Green, 1886. A singular plant 

 without near affinity. 



