1&,36 Sphaeropsidese. Sphaerioidese, Hyalospor», Placosphseria. 



70-300 u. diam., fusco-nigris, intus KS-locellatis; sporulis cy- 

 lindraceis 3-5:=], subrectis, hyalinis; basidiis 10-15'* 1. 



Hab. in foliis Campanulje Trachelii in Gallia, Gerraania, 

 Hungaria. — Pyrenopeziza Campanulce Fuck., Syll. VIII, p. 357, 

 forte in Placosphaeria parasitatur. 



8. Piacosphoeria Urticae (Lib.) Sacc. Fung. Ard. n. 153, '^eilaria Lib. ^^^^ 

 Crypt. I, n. 62 (1830). — Habitus Rhijtismatis Urticm (Cfr. Syll. 

 VIII, p. 755), sporulis fusoideis, curvulis, granulosis, hyalinis, 20- 



25 s 4; basidiis teretiusculis 15-18^:3. 



Hab. ad caules Urticse dioicae in Arduennis (Libert). 



9. PlacosphaBria Caa-oatii Speg. Guar. I, p. 144. — Maculis nullis seii 

 vel hypophyllis, minutis, fuscescentibus, stromatibus sparsis, irre- 

 gulariter subelliptico-orbicularibus, 1-1,5 mra. diam. vix pulvinu- 

 lato-prominulis, atro-fuscis, glabris, rugulosis, coriacellis, contextu 

 indistincto, opaco; loculis paucis globulosis vel e mutua pressione 

 angulosis. 100-150 u.. diam.; sporulis ellipticis v. subnavicularibus, 

 utrinque obtusis 12-16-4-6, dense granuloso-nubilosis. 



Hab. ad folia viva arboris cujusdam Caa-catu vocatse in sil- 

 va subvirginea Caa-guazii Brasilise. 



10. Piacosphaeria Pestis-nigra Speg. Guar. I, pag. 144. — Stroraate sbis 

 parum manifesto, innato, ramulos foliaque orania ac tota ambien- 



te eaque tamen vix deformante, sed intense nigrificante; loculis 

 parenchymate immersis vix ad epiphyilum prominuiis ac perspi- 

 cuis, minutis, globoso-Ienticularibus 90-110 u.. diara. densiuscule 

 sparsis, non confluentibus, atris, glabris, levibus; sporulis ellipti- 

 cis, utrinque obtusatulo-rotundatis, 2,5-3 =:1, hyalinis. 



Hab. ad folia viva Malpighiacese cujusdam in dumetis pr. 

 Paraguari Brasiliae. — Status spermogonicus Phyllachorce Pe- 

 stis-nigrce. 



11. Piacosphaeria? acalyptosporides Speg. Guar. I, p. 144. — Macu- sfus 

 lis deterrainatis, stromatibus atris, amphigenis, tenuibus, coriacel- 



lis, irregulariter angulosis, majusculis 3-6 mm. diam., saepius se- 

 cundura nervos secundarios evolutis, giabris vel rainute rugulo- 

 sis; stromate intus albo, loculis minutis, densissimis, labyrinthoi- 

 deo-cerebrinis; sporulis non visis. 



Hab. ad folia viva Eugeniae speciei cujusdara in dumetis pr. 

 Gnarapi Brasiliae. 



12. Placosphaerla Allii Karst. et Har. Rev. myc. 1890, n. 47. — Stro- 5614 

 raatibus gregariis, parallelis, per rimas epidermidis erumpentibus, 

 linearibus, angustissimis, convexis, atris, intus pallidis, uni- v. plu- 



