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FUNGORUM - Acervo Digital de Obras Especiais

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PYRENOMYCETEÆ FR. EM. DE NOT.<br />

Giorn. bot. ital.7I, p. 322 (1844)<br />

Fungi perithecio ascigero instructi, ut plurimum phytogeni, rarius<br />

zoogeni, numquam vere terrestres. Adsunt in plerisque varii<br />

status secundarii seu metagenetici familias Sphæropsi<strong>de</strong>arum, Melanconiearum<br />

atque Hyphomycetearum sistentes.<br />

Fam. 1. Perisporiaceæ FR. Summa V. S. p. 375 p. p.<br />

Simplices. Perithecia membranacea, coriacea v. subcarbonacea tota<br />

clausa, hinc astoma et irregulariter fissilia.<br />

Subfam. 1. Erysipheæ LÉV.<br />

Biogenæ, seu parasiticæ in plantis vivis, mycelio effuso arachnoi<strong>de</strong>o<br />

albido (plerumque Oidii erysiphoidis formas sistente) insertæ.<br />

Perithecia appendicibus variis plerumque eumorphis instructa subglobosa,<br />

astoma, tenui-membranacea.<br />

Clavis analytica generum.<br />

1. Amerosporæ:<br />

{<br />

sporidiis ovoi<strong>de</strong>is continuis hyalinis.<br />

monoasca; asci 8:spori;<br />

apice pluries refracto-<br />

carpogonia orthotropa;<br />

dichotomæ. Podosphæra<br />

perithecii appendices.<br />

simplices v. vage ramosæ,<br />

hyphoi<strong>de</strong>æ. Sphærotheca<br />

aciculares, basi sæpe<br />

inflatæ.<br />

Phyllactinia<br />

apice uncinatæ; asci<br />

Perithecia<br />

globoso-ovoi<strong>de</strong>i. Uncinula<br />

polyasca; asci 2-8-spo- apice rectæ; asci tereri;<br />

carpogonia campy- tiusculi.<br />

Pleochæta<br />

Iotropa; perithecii ap- apice pluries refractopendices.dichotomæ.<br />

Microsphæra<br />

simplices vageve ramosæ;<br />

asci ovoi<strong>de</strong>i. Erysiphe<br />

obsoletæ; asci oblongi. Erysiphella<br />

2. Dictyosporæ: sporidiis clathrato-septatis.<br />

Perithecia polyasca; asci octospori globosi v. oblongi. Saccardia<br />

{<br />

{

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