662 MicrotliyriaeeiB, Hyalodidytme, Microthyrium. 



orbicalaria, applanata, seutato-adnata, cellulas (ascos?) rniniraas, 

 globosa obtegens. Sporiiia minuta oblongo-ellipsoidea v. cyiiudra- 

 cea< — Genus rnihi oranino dubiuro. 

 1. Parmularia Styraois Lev. i. c. pag. 281, Rerk. F. Brag. n. 427. 

 — Peritlieciis epiphyllis nigris orbiculatis asperis; loculis (ascis?) 

 raris globosis; sporidiis cylindraceis, obtusis, hyaliuis, continuis, 

 utrinque guttulatis. 



Uab. in foliis Styracis in Brasilia (Claussek). 



Sccl. 2. Phaeospora Sacc. 



VJZELLA Sacc. (Etym. a Rev. J. Vize, egregio raycologo anglico 

 ftx Forden). — Perithecia diraidiata, atra. superficialia. Asc! octo- 

 spori. Spoririia elliptico-oblonga, continua, fusca. 



1. Vizella conferta (Cooke) Sacc, Micropeltis conferfa Cooke Grev. 

 VI, 118. — Peritheciis conicis, diraidiatis, atris, nitidis, in maculas 

 minimas confertis; ascis clavatis; sporidiis ellipticis vel ciavatis, 

 brunneis, 12-14 »5. 



flab. in pag. sup. foliorum Symploci spicatae (vulgo Bha- 

 uri), Dinagepore Indiaj. 



Sect. 3. Hyalodidynue Sacc. 



MICROTHYRIUM Desm. Ann. Sc. nat. XV, pag. 137, (1841). (Etvm. 

 micros, parvus et fhyrion, fenestra). — Perithecia superficialia, 

 simplicia, membranacea. dimidiata, scutato-adpressa, centro perfo- 

 rata. Asci teretiusculi v. obovati, aparaphysati. Sporidia oblonga 

 v. fusoidea, typice 1-septata hyalina. 



1. Microthyrium microscopicum Desm. Ann. Sc. nat. (1841) XV, p. 

 138, tab. 14, flg. 1, Sacc. F. it. t. 562. — Peritbeciis dimidiatis, 

 scutiformibus, margine fimbriatis, 150 /.'.. diam., centro pertusis; 

 ascis oblongo-clavatis, 25-30 s 7-9, subsessilibus, apice tunica in- 

 tegra obtusatis, aparaphvsatis, 8-sporis (rarius sub-4-sporis); spo- 



