74 Acta Societatis pro Fauna et Flora Fennica X. 



Cladoiiia pityrea f. acuminata Malbr., Cat. Lich. Norm. (1870) p. 54. 



— Ohlert, Zusamm. Lich. Preuss. (1870) p. 6 (excl. exs. cit.). — Nyl., Lich. 

 Mex. (1872) p. 1? 



Cladonia aciimiuata Norrl., Herb. Lich. Fenn. (1875) n. 57. — Nyl., FI. 

 1875 p. 447. — Norrl., Fl. Kar. Oneg. II (1876) p. 12 (miis. Fenn.). — Cromb., 

 Lich. Kerg. (1877) p. 182. — Arn., Lich. Tirol XVII (1877) p. 563, XXI (1880) 

 p. 116, XXIII (1887 ) p. 107 (== *C1. foliata). — Cromb., Rev. Lich. Kerg. (1877) 

 p. 2 (ad CI. squamosam v. nanam teste Miill. Arg., Lich. Beitr. n. 1,225, per- 

 tinet, conf. autem p. 78). — Norrl., Symb. Lad.-Kar. (1878) p. 24 (mus. Fenn.). 



— Wainio, Fl. Tav. Or. (1878) p. 94. — Wainio, Clad. Fhylog. (1880) p. 36. 



— Lamy, Cat. Lich. Mont-Dor (1880) p. 18? — Cromb., Enum. Lich. Brown 

 (1880) p. 392 (= CI. subsqiiamosa y. pulverulenta, conf. Wainio, Mon. Clad. I 

 p. 449). _ Wainio, Adj. Lich. Lapp. I (1881) p. 109. — Cromb., Enum. Brit. 

 Clad. (188.-^) p. 112. — Hue, Addend. (1886) p. 29. — Hue, Lich. Mont-Blanc 

 (1887) p. 144. — Zw., Rev. Clad. (1888) p. 2 (= CI. pityrea). — Nyl., Enum. 

 Lich. Fret. Behr. (1888) p. 61. — Sandstede, Beitr. Nordwestdeutsch. (1889) p. 

 447 (^ CI. pityrea). — Hue, Lich. Canis. II (1891—2) p. 134? — Dens & Piet- 

 quin, Cat. Lich. Belg. (1891) p. 191? (exs. CI. pityreae citaniur). — Kernstock, 

 Lich. Beitr. Ill (1891) p. 717. 



Cladonia decorticata b) v. primaria f. acuminata Ollv., Etud. Clad. 

 (1885) p. 249. 



Descr. Hypoth alius nigricans aut fuscescenti-nigricans, 

 constans ex axibus nonnullis brevibus teniiibusque aut sat tenui- 

 bus aut ex axe solitario basi aut basin versus thalli primarii 

 affixis, inferne in hyphas dissolutis, demum evanescens. Th alius 

 primarius demum evanescens, constans e squamis mediocribus 

 niajusculisvc aut parvis, circiter 10—2 ( — 17) millim. longis, cir- 

 citer 0,500 — 0,i60 millim. crassis, majoribus vulgo irregulariter aut 

 digitatim anguste aut sat anguste laciniatis, minoribus crenatis aut 

 inciso-crenatis (laciniae 0,8—2, rarius —5 millim. latae, subcune- 

 atae, sinuatae crenataeque), demum vulgo involutis concaviusculisve, 

 adscendentibus, aggregatis sparsisve, superne glaucescentibus, sub- 

 tus intusque albis, esorediosis aut margine subtusve parce granu- 

 losis, hypochlorite calcico baud reagentibus, hydrate kalico superne 

 et inferne distincte sed baud intense lutescentibus, etiam his rea- 

 gentiis unitis lutescentibus; stratum corticale thalH primarii 

 circiter 0,0 4 o — 0,0 6 millim. crassum, satis laevigatum, decolora- 

 tum, pellucidum, ex hyphis crassis praesertim siibverticalibus for- 

 matum, membranis crassis, conglutinatis, parlim sat distinctis; 

 stratum meduUare thalh primarii hyphis circiter 0,oo-t — 0,oo6 

 millim. crassis, pachyderm aticis, sat arete contextis aut in latere 



