10* ANNEE, N° 37. REVUE MYCOLOGIQUE 1 er JANVIER 1888 

 Rédaction : Rue Riquet, 37, Toulouse. 



Lichenes montevidenses 



quos legit et communicavit Prof. Arechavaleta et quos deter- 

 minavit D r J. Muller. 



1. Cladonia pyxidata v. costatâ Flk. Glad. p. 66; ad terrain. 



2. Cladonia furcata v. squamulo&a Schaer. Enum. p. 202; ad 

 terram. — v. subulata Schaer. Enum. p. 202; ad terrain. 



3. Clathrina aggregata Mull. Arg. L. R. n° 589; inter Muscos. 



4. Usnea angulata Ach. Syn. p. 307; corticola. 



5. Usnea laevis Nyl. Syn. p. 271 ; saxicola. 



6. Usnea barbata v. aspera Mull. Arg. Rev. Licli. Mey. n°2; 

 corticola. — v. strigosa Krplh. Lich. Exot. p. 312; corticola. 



7. Usnea densirostra Tayl. in Hook. Lond. Journ. of. Rot. 1847. 

 p. 191 ; saxicola. 



8. Ramalina Eckloni v. membranacea Mull. Arg. L. R.- n° 818, 

 ramulicola. — v. sublinearis Mull. Arg. s. R. Yemensis v. subli- 

 nearis Nyl. Ramai, p. 46; ramulicola. 



9. Ramalina lanceolata Nyl. Ram. p. 47; ad truncos. 



10. Parmelia eciliata Nyl. inExp. Scient. Mex. p. 3; ad truncos. 

 il. Parmelia urceolata Esclrw. in Mart. Icon. sel. p. 23. t. 13. 



f. 1 ; ad truncos. — v. Cladonioides Mull. Arg. L. R. n° 183'; ad 

 truncos. 



12. Parmelia Arechavaletae Mull. Arg. ; thallus laete rlavicans, 

 membranaceus, supra rugosus, margine nigro-ciliatus, subtus ni- 

 gricans, versus peripheriam pallido-brunneus, undique usque ad 

 marginemrhizinoso-vestitus ; laciniaeampliusculae, crenato-etinciso- 

 lobatae; apothecia juniora podicellata, margine incurva, subtus basi 

 plicato-rugosa; discus brunneus (Sporae baud visae). — Similis 

 P. flavescenli Nyl. in Flora 1885 p. 607, sed magis llavicans, dis- 

 tincte membranacea et induxentum paginae inferioris aliud, usque 

 ad ipsum marginem thalli, more Parmeliae perforatae Ach., evolu- 

 tum est. Pulchra species, juxta P. perforatam Ach. inserenda, sed 

 apothecia juvenilia tantum hucusque lecta sunt. — Corticola prope 

 Montevideo. 



13. Parmelia perforata Ach. Meth. p. '217; ad truncos. — v. 

 ulophylla Mey. et Flot, in Act. Acad. Leop. Gur. 1843, p. 218; ad 

 truncos. — v. ciliata Nyl. Syn. p. 378 ; ad truncos. 



14. Parmelia cetrata Ach. Syn. p. 98; ad truncos. 



15. Parmelia Balansae Mull. Arg. ; thallus virenti-v. glauco-cinc- 

 reus, laxe adpressus, rigidus, laevis v. bine inde vage rugulosus, 

 subtus nigro-fuscus et rhizinis densis breviusculis juxta marginem 

 obsoletis caeterum undique obsitus et in ipso margine setulis rigidis 

 nigris saepe semel v. bis bifurcatis aut dendroideo-ramosis ornatus ; 

 lobi ultimi rotundati, sinuato-incisi ; apothecia evoluta 5-7 mm. 

 lata, juniora subpodicellata, proi'unde urceolata, margine incurvo 

 integro cincta, démuni magis aperto- planiuscula, badiofusca, dorso 

 laevia; sporae in ascis cylindrico-obovoideisoctonae, subglobosae aut 

 lateellipsoideac, 11-14 p longae et 8-12 p latae. — Indumentum pas 

 ginae inferioris ut in P. perforata Ach. quacum etiam apothecii- 



