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FUNGORUM - Acervo Digital de Obras Especiais

FUNGORUM - Acervo Digital de Obras Especiais

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Perisporiaceæ, Erysipheæ, Pleochæta. 9<br />

fuso, persistente; peritheciis majusculis <strong>de</strong>pressis, nigris; appendiculis<br />

copiosissimis, angustis, perithecium subæquantibus, simplibus,<br />

hyalinis; ascis oblongis v. anguste ovoi<strong>de</strong>is, 8-16, octosporis.<br />

Hab. in Amer. bor. Watkins et Greenbush, in foliis Aceris<br />

spicati et rubri. - Ab U. Aceris differt quia hypophylla, ascis<br />

copiosioribus, appendicibusque simplicibus prædita.<br />

13. Uncinula Tulasnei Fuck. Symb. Mycol. p. 81. - Mycelio orbiculatim<br />

effuso, epiphyllo, niveo, margine fimbriato; conidiis catenulatis,<br />

perfecto globosis 8 µ. d.; peritheciis sparsis mycelio subimmersis,<br />

majusculis, hemisphæricis <strong>de</strong>mum <strong>de</strong>pressis, atris; appendicibus<br />

plerumque simplicibus v. bifidis, raro bis bifidis; ascis octonis,<br />

octosporis.<br />

Hab. in pag. sup. foliorum Aceris piatanoidis, circa Johannisberg<br />

in Rhenogovia. - Præcipue habitu et conidiis globosis<br />

dignoscenda species.<br />

Species nomine tantum notæ<br />

14. Uncinula luculenta Howe (citat. in Peck 29 Rep. on the St. Mus.). 30<br />

Hab. in foliis Populi heterophyllæ in Amer. bor.<br />

15. Uncinula parvula C. et P. (citat. in Peck 26 Rep. on the St. Mus.). 31<br />

Hab. in foliis Celtidis occi<strong>de</strong>ntalis. Poughkeepsie, Amer.<br />

bor. (GERARD).<br />

PLEOCHÆTA Sacc. et Speg. Michel. II. p. (Etym. Pleon, plus et<br />

chæta, seta). - Perithecia subiculo mucedineo insi<strong>de</strong>ntia, globuloso-lenticularia,<br />

astoma, contextu parenchymatico solidiusculo,<br />

setis copiosissimis radiantibus, bacillaribus, rectis, simplicibus, hyalinis<br />

cincta. Asci clavulati, bispori; sporidia ellipsoi<strong>de</strong>a, continua,<br />

subhyalina. - Setis creberrimis rectis, contextu perithecii subcoriaceo,<br />

ascis teretiusculis etc., ab Erysiphe et Uncinula dignositur.<br />

1. Pleochæta Curtisii Sacc. et Speg. Fung. Arg. Pug. II. p. 44. Erysiphe<br />

et Uncinula polychæta Berk. et Curt. Grev. 1876 p. 159.<br />

Uncinula Lynckii Speg. Fung. Arg. Pug. II. p. 17 n.° 54. -<br />

Mycelio hypophyllo, orbiculatim effuso albido-lutescente; peritheciis<br />

sparsis; appendicibus (circ. 28) perithecio sesquilongioribus,<br />

hyalinis; ascis tereti-clavatis in stipitem basi nodulosum productis<br />

80-90 25-30, bisporis; sporidiis ellipsoi<strong>de</strong>is, 25 17, hyalinis.<br />

Hab. in pag. infer, foliorum Celtidis Talæ et C. occi-<br />

29<br />

32

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