430 Pyrenomycetae, Dothideaceae, Plowrightia. 



deo-oblongis, breviter pedicellatis, aparaplfysatis, circ. 60 «14; 

 sporidiis distichis. hyalinis, ovoideis, ina-qualiter uniseptatis, forti- 

 ter constrictis, 20-22 « 7-10, cellula minori plerumque 9 » 7. 



Hdb. in ramis emortuis Ampelopsidis quinquefoliae, 

 inter San Ignacio et Las Vegas, New Mexico ('T. D. .\. Cocke- 

 rell), 



2. Plowrightia placida Sydow, Deutsche Zentral-Afrika Exped. (1907- 479: 

 1908) II Bd. p. 99. — Stromatibus epiphyllis, dense sparsis, ma- 

 culis nullis, sub epidermide ortis, erumpentibus et tandem subsu- 

 perficialibus, applanato-globosis, basi coarctatis, plerumque centro 

 tantum matrici insidentibus, atris, 200-300 [x. diam., superficie ob 

 loculos paucos prominulos rugosis, loculis c. 3-8 in quoque stro- 

 mate; ascis clavatis v. anguste saccatis, apice rotundatis, leniter 

 incrassatis, subsessilibus, 50-70*^14-18, octosporis, aparaphysatis ; 

 sporidiis distichis, fusoideis, medio 1-septatis, non constrictis, 18- 



30 « 5-8, hyalinis v. subhyalinis. 



Hdb. in foliis Fici oreodryadum, Rugege- Wald Africa 

 trop. — Plowrightice basirufce (B. et C.) v. Hohu. et Pl. Koor- 

 dersei (P. Henn.) v. Hohn. affinis. 



3. Plowrightia Agaves Maubl., Bull. Soc Myc. Fr. XXIII (l907j 479- 

 p. 143. — Ita vocanda Hypocrea Agaves Maubl. — Syll. XVII, 



p. 802 — ex ipso auctore. 



4. Piowrightia Williamsoniana Kellerm., Journ. of Mycol. Xni906) 479i 

 p. 186. — Stromatibus per epidermidem erumpentibus, globosis 



vel subpolygoniis vel oblongis, 250-750 [x. alt., 0,5-2 mm. long., 

 concentrice seriatim dispositis, primum maculum definitam subor- 

 bicularem v. oblongam efformantibus, siispe folio partim v. omnino 

 tandem infecto; stromatibus primum fulvis dein fuscis demumque 

 nigris, minute papillatis, non carbonaceis supra conidiferis; loculis 

 numerosis usque ad 40 et ultra 110-125 «^ 90-120; ascis numerosis 

 oblongis V. subovato-oblongis, inferne attenuatis 60-90 * 12-20, pa- 

 rietibus crassis, octosporis; sporidiis subdistichis, suboequaliter bi- 

 locularibus, ovoideo-oblongis, subfulvis v. hyalinis, plerumque 22- 

 24 « 5-6 ; pararaphysibus non visis. 



Hah. in foliis vivis v. languidis Agaves americanoe prope 

 urbem Guatemalam America centr. alt. 1200-1800 m. (W. A. Kel- 

 lerman). — Teste cl. Maublanc nou satis differt a specie pra;- 

 cedente. 



5. Plowrightia MassariaB (Pass.) Saecardo, Not. Myc. VI, Ann. Myc. 479G 

 V. III (1905) p. 506, Epicymatia Massarice Pass. — Syll. I, p. 573. 



