tlYMENOTHAtAMl 4^^ 



rotundis undulatis integris , apothecia sub - elevata 

 plana rufescentia iulegerrima. 



(^ 54. P' nigrescens = Acli: metli: p. 22^. =r Spr: 

 eysl: IV. iSy. excl: syu: P. flaccidce. Sub Collema 

 Acb: liclien: univ: p. 6\6. Sub Lichene L. aliique. 

 JLichen vesperulio , papyraceus, Laciuca, cristatus et 

 microcarpus quoruud: = Dill: musc: t. 19. f. 20. (^Euri 

 passim. Pedem-. nascitur abunde supra corticem ar- 

 borum in prov: Canapic. Bellard: app: p. 6Q. sub 

 Lichene. Ad truncos arborum prteserlim Fagi vulga- 

 ris BiROLi fl: acon: 11. p. 189. Sardin: ad truncos ar- 

 borum MoRis st: sard: ill. p. 18. sub Collema. Sa-^ 

 haud: Billet iu litl: sub ecd: ). Tballus orbiculatus 

 rugoso-plicatus sub-monopbyllus atro-viridis inciso - 

 lobatus lobis rotundatis integris , apotbecia minuta 

 conferta centraba rufo - fusca demum nigra margine 

 integro. Huic prorsus simile Collcma exasperatum Ach: 

 saltem ex specim: quse habeo a Bellarb: inter stirpes 

 indigenas. 



^ 55. P. Jlaccida — Acb: meth: p. 229. = P. ni-* 

 grescens Spr: syst: IV. 287. Collema Jlaccidum Ach; 

 llchen: univ: p. 647. = Sub Lichene Ach: in nov: 

 act: Stockh: vol. V. p. 16. t. 1. f. 4- (Inter muscos 

 in Suecia, Hehet: Pcdem: supra lapides prope Vena- 

 riam Pie app: II. p. 214. et fl: tor: II. p. 253. sub 

 Collemd). Vix differt a priori thallo profunde lobato, 

 lobis oblonge ovatis flaccidis suh ~ divisis , apotbeciis 

 rarissimis sparsis. 



56. P. tremelloides ir; Ach: meth: p. 224. = Spr: 

 syst: IV. 288. = Suh Collema Ach: lichen: univ: p* 



