DiscomycetsB, Protomycetacerc, Protomyccs. 789 



Fam, 18. Protoiiiycetaceae de Bary 



PROTOMYCES Ung. — Syll. VII p. 319, IX p. 363, XI p. 251, XIV 

 p. 829, XVIIt p. 202. 



1. Protomyces Crepidis (Jaap.) Sacc. et Trott., Protomycopsis Crepi- B983 

 dis Jaap, Ann. Mycol. VI (1908) p. 204. — Pustulis parvis 0,5- 

 0,75 mm., sa^pe punctiformibus, rotundatis. numerosia, sordide 

 griseo-flavis, demum flavo-brunneis, in pagina inferiore hemisphsB- 

 rico-prominentibus ; sporis irregulariter globosis , 25-36 ;j.. cr., 

 hyalinis v. pallide flavis; episporio 2-5 ii. cr., verrucis hyalinis 

 crebris ssepe lineariter elongatis tecto, contentu hyahno, granuloso. 



Flab. in foUis vivis Crepidis incarnatse prope St. Ulrich 

 et Penegal Mendelgebirge Austri;ie. — A Pr. Leucanthemi (Sjd.) 

 Magn. sporis multo minoribus omnino diversum. 



2. Protomyces gravidus Davis, Journ. of Mycol. XHI (1907) p. 188. 6984 

 — Sporis subepidermicis vel in zona vasculari ortis, numerosis, 

 plerumque globosis vel etiam ellipsoideis, ovoideis vel polygoniis, 

 30-55 * 27-40, plurinucleatis. superficie plus v. minus imequali, 

 episporio 1-3 a. cr. brunneo; endosporis maturis 3-5 [x. crassis, 

 hyalinis. 



Hah. in ramis, petiolis et nervis plus minusve hypertrophicis 

 Bidentis cernuie, B. connat;e, B. frondosiu in Ame- 

 rica boreali. 



3. Protomyces ?Gaillardiae Speg., An Mus. Nac, Buenos Aires t. XIX B98B 

 (1909) pag. 284. — Maculis obsoletis orbicularibus indeterminatis, 

 araphigenis vix incrassatulo-prominulis, opacis, 2-6 mm. diam., 

 fuscidulis, s;epe areola pallescenti cinctis; sporis solitariis in qua- 

 que matricis cellula, globosis, 30-35 [j.. diam., crassiuscule tunica- 



tis, levibus. pellucidis, pallide rufescentibus, eguttulatis. 



Hab. in foliis vivis Gaillardi;!? Donianse in pratis circa 

 Metan, Salta Amer. austr. — An oogonia Peronosporce v. Cystopodis 

 cujusdam ? 



4. Protomyces (?) persicifilus Speg., Rev. Ministerio Agric. Buenos 6986 

 Aires II (1908) n. 2, pag. 39, Nota, cura icon. — - Maculis effusis 

 tumidulis, subtorulosis, flavescenti-aurantiacis; sporis in cellulis 

 subepidermicis hypertrophicis parum deformatis, solitariis, globosis, 

 20-25 ;j.. diam., crassissimo tunicatis, levibus, grosse 1-nucleatis, 

 cndoplasmate uubiloso. 



