134 Kryptogamen. — Flechten. 



saltem apothecia (sparsa) cingens et sparis nonnihil majoribus et coloris subolivacei 

 (22-25 m lg., 9— 10m er.). — Auf Pappeln, Finland. 



Myriostigma. 



243. As. M. candidum Kremph. 27, p. 45. Thallus continuus tenuissimus albidus quasi 

 afflatus irregulariter dilatatus. Apothecia aggregata, protuberantiis thallinis (stroma- 

 tibus) candidis depressis oblongo-difformibus numerosis (d. c. 2,0—4,0 mm), dispersis 

 innata, minutissima punetiformia fuscescentia; paraph. nullae; sporae in tbecis globosis 

 (arthonioideis) 4-nae, muriformes, interdum medio constrietae et septatae, curvulae, 

 fusiformi-oblongae, 39— 49 m lg., 11— 13 m er. — Auf Blättern, Borneo. 



244. As. M. cardinale Kremph. 27, p. 45, Tab. I f. 29, sporae duae. — Auf Bambusa 

 arundinacea, Indien. 



Odontotrema. 



245. Au. ? 0. concentricum Stirt. 48, p. 466. Thallus fere continuus tenuis albicans. Apo- 

 thecia demuni in fissuris thalli denticulatis dehiscentia; epithecium planum irreguläre 

 pulvereo-suffusum, duobus annulis concentricis fusconigris plus minus completis cinc- 

 tum; paraph. discretae capillares incol.; hypothecium fusconigrum; sporae 1- 8-nae, 

 4— 20-loculares, fere cylindricae, 40— 160 m lg., 7— 13m er. — Neu-Seeland. 



Opegrapha. 



246. b. 0. areniseda Nyl. 42, p. 446. Thallus vix ullus. Apothecia linearia subgyrose con- 

 glomerata in acervulis difformibus (d. 1 mm.) pulvinatis, nigra, epithecio angustato; 

 hypothecium nigrum; sporae 1 — 3-septatae fusiformes, 14— 16m lg., 4 m er., incol. — 

 — Auf Sand, Jersey. 



247. f. 0. atricolor Stirt. 47, p. 89. Thallus indeterminatus tenuissimus albidus. Apothecia 

 innato-sessilia angusta (lat. 1,0 mm.), plerumque simplicia acutiuscula nigra, intus cine- 

 rascentia v. pallide fuscescentia; epithecium rimiforme dein coneaviusculum v. etiam 

 explanatum rugulosum; paraph. indistinctae apice fusco; hypothecium fusco-nigrum; 

 sporae 4— 8-nae, 3-septatae, oblongo-ovoideae, 15— 21 m lg., 4— 5 1 j 2 m er., incol. — Auf 

 Holz, Schottland. 



248. s.p. 0. consimillima Nyl. 43, p. 725. Simillima 0. Caesareensi Nyl., sed differens 

 thallo minus tenui, sporis fere brevioribus et spermatiis brevioribus. Gonidia saepius 

 discreta, simplicia. — Auf Basalt und Dolerit, Insel Saint-Paul. 



249. e. 0. lithyrgodes Nyl. 39,' p. 106. „Dicatur, quae datur in Arn. exs. 418." 



*250. Af. 0. imdulata Stirt. 64, p. 369. Thallus crassus rimoso-areolatus pallidus v. pallide 

 flavidus subfarinaceus. Apothecia subinnata radiato-ramosa explanata apieibus rotun- 

 data, margine proprio tumidulo undulato, nigra albo-suff usa ; perithecium laterale; 

 paraph. sat distinetae; hypothecium pallide rufescens; sporae 8-nae, 7— 9-septatae, 

 fusiformi-ellipsoideae , 28— 35 m lg., 4 J / 2 — 5 1 / 2 m er. incol. — Auf Felsen, Capverdische 

 Inseln. 



251. e. 0. xylographiza Nyl. 41, p. 361. Thallus vix ullus proprius. Apothecia subparallele 

 dispersa, lanceolato-linearia (0,5— 7mm. lg., 0,1mm. er.) nigra; epithecium rimiforme 

 v. interdum subplanum marginatum, intus fuscescens; hypothecium nigrum; sporae 

 1— 3-septatae, oviformi-oblongae, 10— 14 m lg., 3 J /2— 5 1 / 2 m er. (arthoniomorphae aeque ac 

 thecae). — Auf Holz, Finland. 



Pannaria, Pterygium, Endocarpiscum. 



•252. Af. E. aterrimum Stirt. 64, p. 366. Thallus squamulosus , squamulis crassiusculis 

 segregatis v. fere conjunetis, ater. Apothecia endocarpea albida; paraph. graciles 

 sat confertae; sporae in thecis fusiformibus numerosissimae , ellipsoideae , 3 '/2 m lg., 

 2 m er., incol. An Felsen, Capverdische Inseln. 

 253. e. Pt. conferciens Nyl. 41 , p. 358. Thallus tenuiter fibrillosus v. fibrillis divisis 

 intricato-congestis. supra divisionibus imbricatis, totus crustam dense compaetam efficiens 

 (er. v. alt. 1— 2 mm.), olivaeeo-nigricans. Apothecia? - An Felsen, Finland. 



*254. Au. P. crustata Stirt. 63, p. 236; 48, p. 462. Thallus squamuloso-crustaceus, areolato- 

 diffractus, squamulis majusculis rugosis rotundatis, margine recurvo creuulato, obscure 

 olivaceus, hypothallo nigro. Apothecia plana v. subconvexa medioeria badiorufa, mar- 



