164 Acta Societatis pro Fauna et Flora fennica, VII. 



Lecidea theioplaca Fee. Bull. Soc. Bot. Fr. XX (1873) p. 319, secundum 

 specimen originale (in mus. Paris.), ad quod descriptio a Fee data spectat. 

 autonoma est species, colore thalli flavo a L. theioplacoide Wainio leviter re- 

 cedens (apothecia immersa, immarginata, thallus KHO — , Ca Cl 2 2 — , I -]-), 

 at specimen aliud immixtum, a Glaziou Krempelhubero communicatum, perti- 

 net ad L. Glaziouanam Krempelh. (Fl. 1876 p. 317), quae apotheciis demum 

 adpressis, excipulo nigro, crasso, margine persistente, crassiusculo, nigro, facile 

 a Rinodina theioplaca (Fee) distinguitur. 



10. B. contiguella Wainio (n. sp.). 



Thallus crustaceus, effusus, crassitudine mediocris aut sat 

 tenuis, subcontinuus rimulosusque aut demum areolato-diffractus, 

 laevigatus, albidus aut partim sordidus, esorediatus, KHO lute- 

 scens et demum fulvescens, medulla jodo caerulescente. Apoilie- 

 cia parvula, 0,3 — 0,2 millim. lata, thallo immersa, disco piano aut 

 concaviusculo, nigro, nudo, thallum vix aequante, margine cine- 

 rascente, integro, tenuissimo aut evanescente. Hypothecium fusco- 

 nigricans. Sporae 8:nae, ellipsoideae, 1-septatae, long. 0,oi8 — 

 0,on, crass. 0,oo9 — 0,0 7 millim. 



Ad rupem qvartziticam prope Rio de Janeiro, n. 59. — 

 Ad species inter Rinodinas et Ruellias intermedias pertinet. 

 Tliallus CaCl 2 2 non reagens, 0,5 — 0,3 millim. crassus, opacus, 

 hyp ot hallo indistincto. Excipulum laterale in lamina tenui su- 

 perne (sc. in margine apotheciorum) obscuratum, intus sordide 

 albicans et KHO lutescens, gonidiis destitutum, basi in thallum 

 transiens. Hypotliechim KHO purpureo-fuscescens fuscescensve. 

 Hymenium circ. 0,ioo — 0,oso millim. crassum, jodo persistenter 

 caerulescens. Epithecium fuscescens (haud intense), KHO saepe 

 purpureo-fuscescens. Paraphyses 0,ooi5 millim. crassae, apice 

 clavatae aut capitato-clavatae, clava fuscescente distincte septata, 

 sat laxe cohaerentes, neque constrictae, nee ramosae. Asci cla- 

 vati, circ. 0,020— 0,oi6 millim. crassi. Sporae distichae, fusco- 

 nigrae, medio non aut leviter constrictae. 



5. Buellia. 



De Not. in Giorn. Bot. Ital. II t. 1 (184G) p. 195; Mass., Ric. Lich. 

 Crost. (1852) p. 80; Koerb., Syst. Germ. (1855) p. 223; Th. Fr., Gen. Heteri - 

 lich. (1861) p. 91, Lich. Scand. (1871) p. 585; Tuck., Gen. Lich. (1872 p. 183 

 pr. p.; Moller, Cult. Fleeht. (1887) p. 25; Tuck., Syn. North Am. II (1888) v- 

 87 pr. p. 



*Z 



