Pyrenomycetae, Sphseriacefe, Phseodictyfe, Pleomassaria. 759 



18; sporidiis 19^9, intense brunneis, subinde medio constri- 

 ctulis. 



Hab. in foliis emortuis Alsines aretioidis, Riva Valdob- 

 bia Ital. bor. (Carestia). 



6. Pyrenophora PestalozzaB Magn. in Bull. Herb. Boissier 1903, 2639 

 n. 7, p. 582, tab. IV, fig. 15-20. — Peritlieciis hinc inde sparsis, 

 subepidermicis, atris, subcarbonaceis, setulis rigidulis, filiformibus 

 prope ostiolum vestitis ; ascis oblongo-clavatis brevissime stipitatis 

 octosporis; sporidiis subdistichis, 7-septato-muriformibus, medio vix 

 constrictis, 34-35 « 13,5 brunneis. 



Hab. in foliis siccis Alsines Pestalozz;c in jugis alpinis 

 Phrygise. 



7. Pyrenophora polyphragmoides Saccardo et Scalia Harrim. Alaska 2640 

 Exped. Crypt. p. 28, pl. V, %. 13. — Peritheciis erumpentibus, 

 sparsis, punctiformibus, nigris, globulosis, 190-220 a. diam., setis 

 rigidis, fuscis septatis, 160-190^7-5, vertice vestitis; contextu 

 parenchymatico, fuligineo; ascis cylindraceis, rectis curvulisve, apice 

 roturidatis, brevissime oblique stipitatis, octosporis; sporidiis disti- 

 chis, oblongo-fusoideis. utrinque obtusulis, initio 3-septatis, dein 

 sub-7-septatis, melleis, tandem 9-12-septatis, murali-divisis, meclio 

 vix v. non constrictis, 36-56 « 18, fuligineis. 



Hab. in caulibus et foliis emortuis Polemonii humilis, Po- 

 pof Island, Alaska (Harrington). — Affinis Pyren. pluvosporir et 

 P. polypliragmke sed rite distincta. 



8. Pyrenophora Salsolae G-rifnths — Syll. XVI, pag. 549. — var. 264] 

 Majanthemi Feltg. Vorstud. Pilz. Lux. Nachtr. III, 1903, p. 204. 



— A typo differt peritheciis minoribus 150-200 [>.. diam. lenticu- 

 laribus, setis vaiidioribus vestitis sporidiisquo irregularibus iiavo- 

 brunneis, 5-septato-muriformibus. 



Hdb. in pag. super. foliorum Majanthemi bifolii, Lu- 

 xemburg. 



PLEOMASSARIA Speg. — Syll. II p. 239, IX p. 872, XI p. 341, 



XVI p. 552. 

 1. Pleomassaria Magnoliae Shear in Bull. of the Torr. Bot. Cl. L902, 2642 



p. 455. — Peritheciis gregariis, immersis, subcutaneis, depresso- 

 sphiericis vel sublenticularibus, coriaceo-carbonaceis 600-800 ;i.. 

 diam., ostiolo conico erumpenti donatis; ascis clavatis, breve sti- 

 pitatis, octosporis, 195-230^55-60; paraphysibus filiformibus; spo- 

 ridiis irregulariter dispositis, oblongo-clavatis, ad septum medianum 



