PRODROMUS FLOR*: NOVO-GRANATENSIS. . 3Ù7 



TRYPETHELIUM Ach. 



1. Trypethelium scoria Fée, Ess., p. 69, Monogr., p. 37, 

 f. 15; Nyl., Pyrenoc, p. 74. 



Hab. Rio Magdalena, ad cortices, altit. 100 metr. (coll. Lindig., 27). 



Obs. — Ibidem variis formis Tr. pallescens Fée (datum in ead. coll. 

 n is 141, U2, 146, 147). Sporae longit. mm ,018-30, crassit. mm ,007- 

 mm ,011. — Tr. nigritulum Nyl. ad Rio Magdalena (Lindig), sporis 

 longit. mm , 018-23, crassit. mm , 007-9; etiam ad rio Negro (idem). 



2. Trypethelium variatum Nyl. — Thallus macula pallido- 

 virescente indicatus ; apothecia in verrucis stromaticis concolo- 

 ribus sat prominulis variis inclusa (i-4 vel plura in quavis 

 verruca), ostiolis nigris discretisaut conflueutibus cicatricosis 

 (verrucae vero variantes minus prominulse vel basi vaga) ; sporae 

 6-8 n * incolores fusiformi-oblongse submurali- divisée (seriebus 

 transversis loculorum vulgo 8, loculis mediis 2, 3, in quavis 

 série), longit. ,nia ,036-48, crassit. mm ,012-16. 



Hab. Rio Negro, ad corticem arboris, altit. 1200 metr. (Lindig). 



Obs. — Accedens quodammodo ad Tr. varium (Fée), sed notis datis 

 et praesertim sporis minoribus simplicioribusque differt (in Tr. vario eae 

 sunt oblongse, longit. mH \0k8-0 min ,105, crassit. mm , 022-46, et tota3 

 murali-divisse). 



3. Trypethelium columbianum Nyl. — Thallus macula pal- 

 lido-flavescente vel virescenti-pallida determinata indicatus; 

 apothecia in verrucis prominulis mastoideis (latit. cire. 1 m,u ,2) 

 monohymeneis inclusa, perithecio intègre nigro; sporae 8" w 

 incolores oblongee 5 - 11 -loculares (loculis subsphaeroideis) , 

 longit. m, \100-0 m, Y205, crassit. (T m ,034-40 (iodo haud tinçtae). 



Ad cortices simul cum Astrothelio sulphureo prope rio Negro (coll. 

 Lindig., 35) et Pie de Cuesta (ead. coll., 97), altit. 1200 metr. 



Obs. — Tangit Tr. uberinum (Fée), sed differt sporis, quae plures 

 habent loculos, etc. Tubercula apotheciorum subgloboso-mastoidea pal- 

 lida, epithecio nigricante vix prominulo. 



û. Trypethelium ph^iothelium Nyl. — Thallus macula pallida 



