BIHANG TILL K. SV. VET,-AKAD. HANDL. BAND 28. AFD. III. N:0 1. 29 



reus, hypothallo obscuro. Apothecia ± conferta v. sat sparsa, 

 aclnata v. rarius adpressa, sat parva, 0,3 — 0,6 mm. lata; disco 

 rufescente v. fulvo-castaneo v. fuscescente, opaco, persistenter 

 piano; margine sat crasso, subintegerrimo v. extus leviter 

 crenulato-granulato, thallo concolore, vulgo demum + obscu- 

 rascente, persistente. Hypothecium pallidum; thecium superne 

 fuscidulum, KOH immiitatum. Sporte in ascis clavatis JSnite, 

 dyblastffi, ovoideee v. late ellipsoideee, medio non constrictee, 

 (25 — )28 — 32( — 35) f.i longse, (13 — )14 — 15, b( — 17) ,« crassse, epi- 

 sporio valde et sequaliter incrassato. 



Cniista KOH immutata v, luteseens; stratuni corticale 

 tenue, inferne minnte cellulosum, superne subamorphum; go- 

 nidia subglobosa, 8 — 12 u crassa; liyphse medullares J. non 

 reagentes. Pars marg-iualis excipuli mediocris, gonidia sat nii- 

 merosa — pauea fovens; strato corticali pro rata crasso, superne 

 valde attenuato, J non reagente; margine proprio demum 

 bene evoluto, marginem thallodem non excludente. Thecium 

 125 — 140 u altum, J persistenter coerulescens; paraphyses 

 graciles, circiter 1 u crassaj, gelatinam hymenialem abun- 

 dantem percurrentes, superne valde ramoste et arcte cohai- 

 rentes, apicibus nonnihil clavato-incrassatee, usque ad 3 u 

 crassse. Sporae utroque apice obtusissimse, sat diu subhyalinse, 

 septo primario sat inconspicuo, loculis ovoideis v. subglobosis, 

 approximatis v. nonnihil remotis et poro conjunctis. 



Habitat ad corticem arborum nec non ad lignum nudum, 

 preesertim in umbrosis. 



Specimina reportavimus e Rio de Janeiro: Corcovado, Pai- 

 neiras (18 V^ 92. N:o 344.); Rio Gtraude do Sul: Porto Alegre 

 (18 Vii 92. N:o 663.), excol. Silveirse Martins pr. Santa Maria 

 (18 20/3 93. N:o 1209 B.); Måtto Grosso: Santo Antonio, Morro 

 Grande (18 -0/12 93. N:o 2159.). 



R. ascociscance Tuck. [Suppl. I (1858), p. 424 (sub Pannaria): Syn. 

 North am. lich. I (1882) p. 206.] peraffinis; forsan sit ejus varietas luicro- 

 carpa. R. tennis Mull. Arg. [Lich. Yatab. (1892), p. 195.] crusta albida, 

 disco apotheciorum nigro, sporis paulluJu majoribus (episporio sat tenui) recedit. 



Lecanora suhsoyhodes Nyl. [Enum. lich. (1857), p. 115.] tantuni e de- 

 scriptione brevi mihi est nota; cum R. turfacea (Wahlenb.) Th. Fr. ost 

 conferenda. 



Lecanora diplinthia Nyl. [Lich. Nov. Gran. I (1863), p. 444.] et jR. 

 Insitanica Arn. (Flora 1868, p. 244.), sporis submuralibus notatse, ad subscct. 

 Conradia pertinent. 



