— 139 — 



el Alger, in Ad. Soc. Linn. Bordeaux, t. XXI, 1857, 

 p. 132, pr. p., Emnn. génér. Lich. in Mém. Soc. 

 scienc. nat. Cherbourg, t. V, 1857 (seors. impress, 

 1858), p. 109, pr, p., Lich. Scmid. p. 122, pr. p. in 

 Notis. Saellsk.pro Faima et Flor. fennica fœrhancll. 

 1861, et Sg?iops!. Lich. II, p. 27, pr. p. ; P. (Lecothe- 

 cium) Tuck. Gêner. Lich. (1872), p. 53 et Synops. 

 North Americ. Lich. I, p. 126, pr. p. ; PateUaria 

 (Biatorina) Miill. Arg. Princip. classif. Lich. etEnum. 

 Lich. Genève, p. 56, pro unica spec. in Mém. Soc. 

 Physiq. et Hist. nat. Genève, t. XVI ; Pannularia 

 Nyl. apud Stizenb. Lich. helvet. p. 82, n. 355, in 

 Jahresb. S^-Gall. naturwiss. Gesellsch. 1880-1882 et 

 apud Hue Lich. exot. n. 1078 in A^. Arch. Mus., 

 3" sér., t. III, 1891 ; ParmcHella Miill. Arg. Consp. 

 System. Lich. N.-Zeland., p. 43, n. 243, in Bull. 

 Herb. Boissier, Append. I, 1894. 



Thallus niger, atratus, fuscus, CiTrulescens, cine- 

 reus vel griseus,parvulis squamulis vei granuliscrus- 

 tam formantibusconstitutus ac in pluribus speciebus 

 in hypothailo nigro pannum efficiente impositus ; 

 in tus homœomericus, liyphis gonidiisque lotam 

 amplitudinem squamularam occupantibus et extus 

 cortice circumscriptus. In squamulis bene evolutis 

 cortex sursum plectenchymaticus (I) e cellulis in 

 duobusvel tribus seriebus disposilis constans, atque 



(1) Hoc iiomen pleclenchyma, loco verbi vulgo usitati pseudo- 

 parenctiymatis, a cl. Liudau, Beilr. Kennln. Gall. Gyrophora, 

 p. 28, in Festsckrifl fur Schwendener, 1901, nierito proiiositiim 

 fuit, nam melius exprimit quo modo efformalurLichenum contextus, 

 ijui nen solum e\ liypliis semper in eodem sensu scplatis, sed 

 etiani ex eisdein et earum ramis arcte conglutinatis oritur. 



