Microthyriace83, Phaeodidymae, Seynesia. 251 



80-100 p.. diam.; ascis piriformibus, 30 = 25; sporidiis ovoideis, 

 i5i;7. — /] Acanthacearum : subiculo amphigeno sparso; perithe- 

 ciis raembranaceis, 60-70 [j.. diam. ; ascis piriformibus, 25-30 =: 

 20-22; sporidiis elliptico-ovoideis, 15 s 7-8. — /! Solani sp. cuj.: 

 subiculo epiphyllo, laxe aggregato; peritheciis coriacellis, 150-200 

 u.. diam.; ascis piriformibus, 35-40 c; 25-32 ; sporidiis ovoideis, 14- 

 16::; 7-8. — /'. SolanJ verbasclfolli: subiculo epiphyllo, laxo; pe- 

 ritheciis membranaceis, 100-120 p.. diam. ; ascis globoso-ovoideis 

 (an muco immersis?), 30:^20-25; sporidiis elliptico-ovoideis, va- 

 lide constrictis, 18i;10. 



3. Seynesia paraguayensis Speg. Fungi Guar. Pug. I, n. 300. — 7335 

 Maculis hypophyllis, parvulis, 3-5 mm. indeterminatis, fuscis; su- 

 biculo maculiforrai, 2-5 mm. diam., crustaceo-subvelutino, atro, or- 

 biculari, hinc inde sparso, ex hyphis laxe intricatis, gracilibus, 

 simplicibus v. parce ramosis, 3-5 [j.. crassis, parce septulatis, ra- 

 mulis densis, breviusculis, 9-11:^4-5, distichis (fere ut in Melio- 

 lis), olivaceis ornatis coraposito; peritheciis scutato-dimidiatis, 100- 

 150 (x. diam., atris, opacis, glabris, primo astomis dein stellatim 

 dehiscentibus, contextu indistincto; ascis globosis, 30-40 a. diam,, 

 6-8 in quoque perithecio, aparaphysatis, 8-sporis ; sporidiis con- 

 globatis, ellipticis, rectis, medio 1-septatis, leniter constrictis, utrin- 

 que obtusiusculis, 20-25^:10, loculis crasse 1-guttulatis, supero 

 majore crassioreque, opace fuligineis. 



Hab. ad folia viva Bignoniacete spec. cujusdam in silvis 

 prope Peribebuy Bras. 



4. Seynesia guaranitica Speg. Fungi Guar. Pug. 1, n. 299. — Subi- 7336 

 culo epiphyllo, rarissirae parce hypophyllo, laxe arachnoideo, te- 

 nuissimo, subcrustaceo, atro, ex hyphis repentibus, flexuosis, se- 

 ptatis, 4-5 a. crass., ramosis composito, folium ssepe totum arabien- 



te; peritheciis scutato-dimidiatis, hinc inde densiuscule aggregatis, 

 parvulis, 150 ^j.. diara., atris, astomis, lacero-dehiscentibus, margine 

 densissime ac tenuiter reticulato-flmbriatis, contextu eximie pro- 

 senchyraatico-radiante, olivaceo, subopaco; ascis non visis; spori- 

 diis ellipticis v. vix int^quilateralibus, medio 1-septatis, leniter con» 

 strictis, utrinque obtusiuscule rotundatis, 25 ^ 10, loculis subajqua* 

 libus, opace fuligineis non v. 1-guttulatis. 



Ilab. ad folia viva Trichilise spec. cujusdam in silvis prope 

 Piragu Bras. 



5. Seynesla piraguensis Speg. Fungi Guar. Pug. I, n. 298. — Ma- 7337 

 culis nuilis; peritheciis sparsis vel hinc inde laxe gregariis, subi- 



