Pyrenomycetse, Microthyriacese, Didymosporse, Seynesla. 6SS 



p. 343. — Peritlieciis epiphyllis, sparsis, d imidiato-scutatis, appia- 

 natis, majusculis, 0,5-0,8 mm. diam., atris, margine non fimbriatis, 

 astomis, centro irregularitcr dehiscentibus, membranaceis, contextu 

 3ximie minuteque muriformi, cellulis ambitu Scepius uniguttulatis ; 

 ascis globosis v. ovatis, 50-55 v 40-45, sessilibus, crassiuscule tuni- 

 catis, pseudoparaphysibus coalescentibus immersis, 8-sporis; spo- 

 ridiis e cylindraceo subclavulatis, 30-34 « 8-9, utrinque obtusiu- 

 sculis, non v. leniter arcuatulis, medio 1-septatis, non constrictis, 

 hyalinis; mycelio nullo. 



Hdb. in foliis languidis Coffese arabicae, Costa-Rica. 



SEYNESfA Sacc. — Syli. II, p. 668, IX, p. 1064, XI, p. 38] . 



1. Seynesia Balansae Speg.-Sacc. Syll. IX. p. 1065. — Var. jidefonsiaa ^36 

 Rehm, Hedw. 1895, p. (101). — Su]>iculo tenuissimo. atro, S8e- 

 pissime epiphyllo, orbiculnriter i-2 mm. late expanso, velutino, ex 

 hyphis brevibus, simplicibus, vix ramosis, septatis, 3-5 a, crass., 

 fuhginois composito; peritheoiis sparsis, hemisphterico-diraidiatis, 

 100-120 p. diam., tenuiter membranaceis, parenchym^ate radiante 

 contextis, fusco-olivaceis, ostiolo minutissimo pertusis, 16 ascos 

 gerentibus; -ascis ovalibus vix stipitatis, 25-30^18, ootosporis; 

 sporidiis oblongo-clavatis, obtusis, medio 1-septatis, vix constrictis, 

 hyalinis, dein fuscis, quaque cellula nucleo oleoso magno praedita, 

 10-17=!^ 5; paraphj-sibus paucis, ramosis, 



Hcib. in foliis vivis Ildefonsise bibracteatae in Brasilia 

 (Ule. 



2. Seynesla rimosa Pat. Bull. Soo. Mye. de Fr. 1895, p. 230. — 2637 

 Maculis nullis; peritheciis epiphyllis, orbicularibus vel sinuatis, 

 atris, Vj-l mm. diam., applanatis, centro elevato, levibus v. minute 

 striaiis, SEepe circulariter raptis; nucleo albido; ascis aparaphysatis, 

 claviformibus, 80-90 ^^! 16-20, octosporis; sporidiis diu hyalinis, 

 oyatis, utrinque obtusis, medio septatis, fuscis, 16-20 -^ 6. 



Hah. in foliis indetermiiiatis in -^quatoria (v. Lagerheim). 



3. Seynesla disciformis Pat. Bull. Soc. Myc. de Fr. 1895, p. 230. 26:38 

 — Maculis amphigenis, orbicularibus, 3-4 mm. diam., fuscis; peri- 

 hheciis epiphyllis, atris, lenticularibus, 3 mm. diam., margine si- 

 nuato, contextu ceraceo, melleo-olivaceo ; ascis aparaphysatis, dense 



Qt parallele stipatis, apice obtusis, 100 ^ 20, crasse tunicatis, 8- 

 sporis; sporicliis ellipticis, 1-septatis, medio constrictis, 20 v 7, mel- 

 leis, dein fuliginosis. 



Hnh. in foliis arboris ignotae in ^quatoria (v. Lagerhf.im). 



44 



