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FUNGORUM - Acervo Digital de Obras Especiais

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Perisporiaceæ, Erysipheæ, Erysiphella. 23<br />

36. Erysiphe Quisquiliarum Schw. Syn. Amer. bor. n. 2486. - Hyphasma<br />

in<strong>de</strong>terminatim effusum, albo-virens, floccis intricatis. Capillitio<br />

parco. Peritheciis crebris, rugosis, nigris, globosis.<br />

Hab. super folia caulesque variarum herbarum <strong>de</strong>jectarum<br />

inter quisquilias horti, Bethlehem, Amer. bor.<br />

37. Erysiphe Asterum Schw. Syn. Amer. bor. n. 2489. - Hyphasma<br />

tenue, album, laxum, in<strong>de</strong>terminatim effusum. Peritheciis suffultis<br />

brevi capillitio, nigris.<br />

Hab. frequens in foliis languescentibus Asterum, præsertim<br />

Asteris paniculati, Bethlehem, Amer. bor.<br />

Species prorsus dubiæ.<br />

38. Erysiphe epixylon Schlecht. Fl. Ber. p. 170. - Floccis tenerrimis<br />

hyalinis, albis, peritheciis sessilibus sphæricis, ascis pluribus.<br />

Hab. in ramis <strong>de</strong>corticatis Quercus, Berolini. - Ad triviales<br />

accedit. Flocci arachnoi<strong>de</strong>i, late serpentes, laxi, dichotomi, haud<br />

intricati. Perithecia pro more <strong>de</strong>mum <strong>de</strong>pressa, ascis numerosis.<br />

39. Erysiphe epigæea (Wallr.) Link, Fr. S. M. III. 236. - Floccis laxis<br />

candidis, peritheciis sessilibus maximis, hemisphæricis basi di -<br />

latatis, peridiolo (asco?) solitario. - Wallr. Fl. cr. pag. 761,<br />

n. 3670, sub Alphitomorpha.<br />

Hab. in terra ad semitas, in ericetis, radicibus etc. in Germania.<br />

- Initio thallus tenerrimus albus multis granulis inspersus<br />

est. Tum flocci increscunt, granulis <strong>de</strong>stituuntur, hyalini fiunt sericeo<br />

splen<strong>de</strong>ntes nitore, utriculares, laxe incumbentes nec intricati.<br />

Peridiolum gelatinosum, album peridium primo replens, tum<br />

collabens, et cavitatem relinquens. Wallr. et Link. Spec. I. p. 105.<br />

Hæc sola a me non visa species (Fr. 1. c.).<br />

ERYSIPHELLA Peck. in XXVIII. Rep. of New-York. State Museum<br />

pag. 63, tom. II. fig. 1-2. - Perithecia superficialia, globosa,<br />

astoma, erysiphoi<strong>de</strong>a, hypulis mycelicis cincta. - Appendices<br />

<strong>de</strong>finitæ nullæ; asci octospori, oblongi; sporidia continua, hyalina.<br />

- Genus a Perisporio Fr. sporidiis continuis hyalinis ab<br />

Erysiphe Lév. etc. <strong>de</strong>fectu appendicum genuinarum differt.<br />

1. Erysiphella aggregata Peck. 1. c. Myc. Univ. N. 753, 754, Erysiphe<br />

aggregata Farl. Herb. - Mycelio arachnoi<strong>de</strong>o, effuso, albido;<br />

peritheciis abundantibus, confertis, subglobosis, glabris, badiis<br />

vel nigris; ascis plerumque 10-12, oblongo-ovatis vel etiam<br />

subclavatis; sporidiis 8, late ellipticis, 20-22 12-15, hyalinis.-<br />

94<br />

95<br />

96<br />

97<br />

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