n|>', Pyrenomycetse, Dothideacese, Hyalodidymse, Dothi<lell;i. 



raro 1 ram. latis; loculis 3-8-compluribus, plus minus peripheri- 

 cis, clense constipatis, parvis; ascis cylindraceo-clavatis, apice 

 obtusatis, basi breviter tenuatis, 120-140 » 9-11,5; sporicliis obli- 

 que monostichis, rarissime subdistichis, fusoideo-oblongis, utrinque 

 obtusatis v. obtusiusculis, 1-septatis, ad septum valde constrictis„ 

 utraque cellula binucleatis, hyalinis, 18,5-22 « 4,5-6. 



Ilab. in cortice vivo Quercus nec non Fagi et Castane;r 

 Moklomburg Germani;e borealis, socio statu pycnidico Fusicocco 

 no.rio Ruhl. — Arboribus indicatis species vere noxia. 



3. Plowrightia circumscissa Tracy et Earle in Bull. of the Torr. bot. -' ,u 

 Club. 1901, p. 187. — Maculis latis; stromatibus dense sparsis, 

 nigris subcutaneis dein erumpentibus in areis circumscissis, irre- 

 gulariter ovatis vel suborbicularibus, raro confluentibus 0,8-1 mm. 

 diam., ostiolis 3-8 in quoque stromate vel compluribus; ascis 

 stipitatis, aparaphysatis, 60-80 ^IG; sporidiis subdistichis, ovatis, 

 1-septatis, hyalinis, 20 w 5. 



Ilab. in foliis languidis Agaves spec , Longboat Key, Fla., 

 Amer. bor. 



4. Plowrightia argentinensis Speg. Myc. argent. ser. II, 1902, p. 76. 2942 

 — Stromatibus subsuperficialibus, a matrice cinerescente vel ni- 



grefacta facile integre secedentibus 1-3 mm. diam. 0,5-1 mm. crass., 

 superne planis sed etiam convexulis, inferne coarctatis applanatis, 

 margine rotundatis non nitentibus, atris, carbonaceis opacis minu- 

 tissime ostiolato-papillulosis; loculis numerosis ellipticis, 100-120 » 

 125-150; ascis clavulatis, breviter pedicellatis, paraphysatis 50- 

 60*6-8, densiuscule paraphysatis; sporidiis oblique subdistichis, 

 utrinque acutis, 16 « 3, s;epe subcurvulis, loculis sub;cquilongis 

 grosse 1-guttulatis. 



Ilab. ad culmos aridos Setariae cujusdam propo Mendoza et 

 in culmis subemortuis Gymnopogonis spoc. pr. Rufino in Ar- 

 gfiitina. — Species eximia habitu fere Iliipocrece cujusdam, sed 

 stromatibus atris, carbonaceis mox dignoscenda. 



DOTHIDELLA Spog. Syll. II p. G27, IX p. 1036, XI p. 375, 



XIV p. 676, XVI p. 626. 

 1. Dothidella Melicyti Syd. Ann. Myc. 1904, p. 164. — Stromatibus 2943 



amphigenis, rotundatis vol subrotundatis, innatis, '/ -1 '/., mm. 



diam., atris, rugulosis; loculis numerosis; ascis cylindraceo-clava- 



tis, apice rotundatis, breviter stipitatis, 45-65 ^ 9-12, octosporis; 



sporidiis distichis, subnavicularibus v. subfusoidcis, utrinque atte- 



