[21J f. theissen: de hemisphaerialibus notae supplendae 93 



6. Microthyriella v. Hõhn. 

 Fragtn. /.. Myk. vi p. [37 ij. 



1. M. Rickii (Rehm) v. II. 1. cit. (typus). 



Syn. Microphyma Rickii Rehm in Brotéria 1906, p. 227. 

 Exc. Rick, F. austro-am. 97. 

 Peltothecia superficialia, orbicularia, applanato-scutata, nigra, 

 0,6-0,8 mm. diam., mycelio nullo, ex hyphis brunneis, intricate 

 contextis et septatis pseudoparenchymatica, glebose secedentia, 

 osLiolo nullo. Asei ovati sessiles, paraphysibus atypicis, octospori. 



Sporae hyalinae, oblongae, médio septatae, utrinque angustato- 

 rotundatae, 32-36= IO a. 



2. M. applanata (Rehm) v. H. Fragm. z. Myk. n.° 519- 



Syn. Microthyrium applanatum Rehm — Ann. myc. 1908, 

 p. 122. 



Exúcc. Rehm Ascom. 1774. 



3- M. (?) astoma (Speg.) Th. Oester. Bot. Zeitschr. 1912, p. 

 278. 



Syn. Microthyrium astomum Speg. — F. Chilenses (1910) 

 n.° 161. 



Hab. in foi i is Cryptocaryae, Chile. 



Specimen authenticum non visum, hinc species dúbia. 



4. M. Coffeae (P. Henn.) Th. — Oester. Bot. Zeitschr. 1912, 

 p. 275. 



Syn. Microthyrium Coffeae P. Henn. Notizbl. Bot. Gart. 

 Berlin 1903, p. 240; Sacc. Syll. F. xvn, p. 863. 



Hab. in foliis vivis Coffeae libericae, Africa orient. 



Peltothecia epiphylla, sparsa, applanato-discoidea, 500-850 u 

 diam., médio dein convexo-elevata, centro umbilicata, non tamen 

 ostiolata, contextu obscure griseo-viridulo subbrunneo, ex hyphis 

 primo maeandrice intertextis, dein glebose-pseudoparenchymatico, 

 margine hyaline laxe reticulata. Asei sessiles, octospori, ovato- 

 elliptici, 70-85 = 48-54 u., paraphysibus deficientibus. Sporae hya- 

 linae, médio septatae, non constrictae, plano-convexae, subcur- 

 vulae vel rectae, 60-70=9-12 a. 



