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Contribution a l'étude de la flore mycologique de l'Afrique du Nord

Contribution a l'étude de la flore mycologique de l'Afrique du Nord

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Scolecotrichum c<strong>la</strong>dosporioi<strong>de</strong>um R. Maire, n. sp.<br />

Caespitulis compactis punctiformibus, atro-brunneis erumpenti-supei'ficia-<br />

libxis, in macu<strong>la</strong> arida f<strong>la</strong>vo-maryinata ssepe circinatis, circa 0,1-0,3 mm.<br />

diam.; hyphis conidiferis crectis, <strong>de</strong>nse fascicu<strong>la</strong>tis, brunneis, parce septatis,<br />

100-150 x 8-10 Jul, levibus, apice conidiferis pallidioribusque, conidiis sxpius<br />

acrogenis, f<strong>la</strong>vo-brunneis, verrucosis, oblonyis velcylindraceis, 23-42 X 12-16 p,<br />

utrinque rotundatis i-2- septatis, ad septa haud vel paululum constrictis.<br />

Hab. in foliis Iridis foetidissimx .<br />

Tlemcen, aux casca<strong>de</strong>s, 8 avril 1904, 20 avril 1906.<br />

06s. ' — Ce Champignon est voisin <strong>de</strong> Sc. graminis, dont il differe par les<br />

spores asperulees <strong>de</strong> gran<strong>de</strong> taille, 1-2-septees, comme celle <strong>de</strong>s C<strong>la</strong>dos-<br />

porium dont il differe a peine par les hyphes courtes, tres rareraent<br />

rameuses, dressees.<br />

C<strong>la</strong>dosporium Typharum Desmaz. PL Crrjpt. <strong>Nord</strong>. France, n°304,<br />

forma minus P. Brim. Bull. Soc. Bot. France, 1889, p. 340.<br />

Sur les feuilles <strong>de</strong>ssechees <strong>de</strong> Typha angusti folia, marais au Khrei<strong>de</strong>r,<br />

18 avril.<br />

Fusic<strong>la</strong>diopsis R. Maire, nov. genus Dematiearum. Est quasi Fusi-<br />

c<strong>la</strong>dium dictyosporum. A Macrosporio hyphis conidiferis brevibus, suo-<br />

fascicu<strong>la</strong>tis, nee septatis distinguen<strong>du</strong>m.

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