156 



Affirmante D" Nylander apuJ Arnold Fléchi, aus. Krain p. 447 a 

 Pannaria dolichotera Nyl. Lich. Scand. p. 127 et tab. T, fig. 3 

 sporis et paraphysibus paulo crassioribus secernitiir atque ejus 

 varietas aut subspecies habetur. Illam P. dolicholeram non vidi 

 proindeque ejus structuram ignorans nihil certum judicare licet. 

 Niliilominus Placynthium pluriseptalum a vicinis speciebus 

 squamularum thalli minutie, hypothallinis byphis deficientibus, 

 excipulo squanmlas sublus non adniittente alque sporis magnis et 

 pluriseptatis facile removetur. 



Non alibi lecta fuit haec species nisi in Austria (Garniola etTyrolia). 



6. Pl, subradiatum Arn. Lich. frânkisch. Jura 

 p. 24 in Flora 1884 ; Pannaria subradiata Nyl 

 Prodr. lichenogr. Gall. et Alger. (1857) p. 68 

 Pterygiiun subradiatum Stizenb. Lich. helvet 

 (1882-83) p. 4; Lecothecium ? radiosuni Anzi Manip 

 Lich. rarior. vel nov. Langobardix et Etrurise p 

 4 in Comment. Soc. crittogam. Ital.^ 1862; Wilmsia 

 radiosa Kœrb. Parerg. lichenol. (1865) p. 406 

 Placynthium radiosum Jatta Sijlloge Lich. italic 

 (1900) p. 39 ; Lecothecium ? controversum Anzi 

 SgmboL Lich. rarior. vel novor. Italiœ super, p. 4 

 in Comment. Soc. crittog. Ital., 1864, 



Exsiccata in hei'b. Mus, paris, et in meo ; Placyn- 

 thium subradiatum Arn. Lich. exsicc. n. 159, a, b; 

 Lecothecium ? controversum Anzi Lich. rarior. 

 Langob. exsicc. n. 442; L. radiosum Anzi ibid. n. 

 476. 



Thallus in bis exsiccatis fusco vel olivaceo-niger, 

 tennis vel tenuissimus, opacus, plagulas parvas et 

 indeterminatas formans, e squamulis val irregu- 

 lariter diffraclis, vel passim et prsesertim in peri- 

 pheria radiosis radiis filiformibus, contiguis et in 

 apice crenatis formatas. Squamuke superiores 1-2 



