4 ARKIV FÖR BOTANIK. BAND 2. NO 5. 



N:o 537; Rio G-raiide do Sul, Hamburgerberg -V» 1892. N:o 

 83 B; Rio de Janeiro, Morro Canos da Carioca ad truneum 

 corticatum arboris, ^V« 1892, N:o 14. — Brasil., Rio Grande 

 do Sul, colonia Silveira Martins ad lignum trunci putres- 

 centis dejeeti, ^'V^^ 1893, N:o 276. Forma lignicola differt 

 stipite paullum longiore, apotheciis sordidis. 



Helotium. 



H. augrelense Starb, nov. sp. 



Apotbecia gregaria, e stipite firmo obconica vel turbinata, 

 distincte marginata, sicca liymenio patellare vel concaviusculo, 

 liumectata cupulseformia, textura generis porrecta, flavido- 

 f ulvescen tia, sicca rufescentia, glal^ra, subtus striatula, ^2 — 2 

 mm. diam., stipes crassiusculus, 1 mm. altus vel brevior, ad 

 basin nigrescens. Asci cylindraceo-clavati, longiuscule pedi- 

 cellati, sursum rotundatim detruncati, vix inerassatuli, 90 — 

 100 X 7,5 — 9 //. Sporidia octona, imbricatim vel transversim 

 monosticha, media autem plerumque disticha, fusiformia, 

 utrinque acutiuscula, recta, prinio, intra ascos, guttulata, deinde 

 plerumque plane continua, 12 — 15 x 3 — 4 11. Paraphyses non 

 numeroscE, filiformes, superne clavulatim incrassatse, circ. 2, .5 u. 

 Jodo asci leniter cserulescunt. — Hab.: Brasil., Rio Grande 

 do Sul, Santo Angelo pr. Cachoeira ad folia dejecta in silva, 

 ^/2 1893, N:o 238 B. — Inter Helotia foliicola quam maxime 

 H. gregario Boud. affinis heec species parapkysibus angustio- 

 ribus, sporidiis continuis differt. 



H. lobatum Starb. 



Hab.: Brasil,, Rio Grande do Sul. Santo Angelo pr. 

 Cachoeira, ^/2 1893, N:o 234 B. 



MolHsia. 



M. Tariecolor Starb, nov. sp. 



Apothecia sparsim gregaria vel interdum nonnulla con- 

 fluentia, e stipite brevissimo, obconoideo-turbinato vel longiore 

 et late cylindrico sensim crasse patellaria, interdum tenuiora, 

 irregulariter determinata, plerumque circulariter marginata, 

 margine distincto, tuniidule acutiusculo, disco applanato, 

 paullumque umbonato, interdum varie constricta, textura 



