194 Acta Societatis pro Fauna et Flora fennica, VII. 



marginalia aiit supra thallum sparsa, peltata. Excipnlum strato 

 corticali pseudo-pareiichymatico crasso (celhih's fere sicut in 

 strato corticah thaUi), strato medullari ex hyphis leptoderma- 

 ticis contexto, zonam gonidialem vulgo solum infra stratum cor- 

 ticale continente (in sect. Ricasolia et Eulobaria et Lecano- 

 lobarina) aut gonidiis omnino destituto (in sect. Lobarina). 

 HypotJieciim palhdum aut testaceum aut raro testaceo-rufesccns. 

 Faraphyses sat arcte cohaerentes, gelatinam haud abundantem 

 (in KHO vulgo sat laxam) percurrentes. Sporae 8:nae aut abortu 

 pauciores, fusiformes aut oblongo-fusiformes aut fusiformi-acicu- 

 lares aut bacillares, 1 9-septatae, decolores aut pallidac fusce- 

 scentesve. Conceptacida pycnoconidiorum thallo immersa aut 

 saepe demum verrucas thallo obductas formantia, palhda, minute 

 parenchymatica. Sterigmxita ramosa aut subsimplicia, constricte 

 articulata, articulis numerosis, brevibus. Pycnoconidia subcylin- 

 drica, apicibus levissime incrassatis, brevia, recta. 



Sect. 1. Eicasolia ^) (De Not.) Wainio. Gonidia palmella- 

 cea. Bhizinae ex hyphis arcte connatis formatae aut pro parte 

 penicillatae et hyphis laxe cohaerentibus, apice liberis. Apothecia 

 zona gonidiali bene evoluta infra stratum corticale excipuh. Con- 

 ceptacula pycnoconidiorum thallo immersa aut saepe demum ver- 



rucas thallo obductas formantia. 



Ricasolia De Not., Framm. Liclienogr. (1846j p. 178 (emend.); Nyl.? 

 Ess. Nouv. Classif. Lich. (1855) p. 173 (liaud Mass., Mem. Lich. 1853 p. 47); 

 Linds., Mem. Sperm. (1859) p. 201, tab. X fig. 612; NyL, Syn. Lich. (1858 

 60) p. 365 (excl. R. Wrightii), Lich. Scand. (1861) p. 96, Fl. 1869 p. 313 

 (pr. p.), Lich. Nov.-Zel. (1888) p. 40. Sticta sect. Ricasolia Stizenb., Beitr. 

 Flechtensyst. (1862) p. 175 (pr. p.); Tuck., Syn. North Am. (1882) p. 91. 



') Ad genus Lobariae Schreb. etiam sectiones sequentes pertinent: 2. 

 EuloTDaria Wainio {Sticta sect. Eusticta Miill. Arg. ; nomen sectioni Lobariae 

 ineptum); gonidia palmellacea; rhizinae penicillatae; apothecia gonidia infra 

 stratum corticale plus minusve continentia; ex. Lobaria pulmonaria (L.) et 

 L. linita (Ach.). 3. Lecanololoarina Wainio ; gonidia nostocacea ; rhizinae 

 penicillatae; apothecia gonidia infra stratum corticale in basi apothecii parce 

 continentia; ex. Lobaria retigera (Ach.). 4. LolDarina (Nyl.) Wainio; gonidia 

 nostocacea; rhizinae penicillatae; apothecia gonidiis destituta; ex. Lobaria 

 scrobiculata (Scop.). 



