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75
Exsicc. v. Thum. Myc. univ. 422.
Hab. In foliis vivis Geranii sylvatici mensibus Julio et
Augusto circa Mustiala aliqvoties parce leginius.
Sect. II. Plasraatoparae. Zoosporangia Candida, apicc
papillata, germinando protoplasma integrum e papilla aperta
emittentia, qvod liberatum mutatur in cellulam globosam,
tubum (-hypliam) crassum arcuatum mox protrudentem.
3. P. pygmaea (Ung.) De B. Rech, sur le dév Per.
in Ann. Sc. nat. ser. IV, p. 103, t. XX et in Hedw. 1864,
n:o 9, p. 132.
Mycelii hyphae crassae, saepe constrictae et varicosae.
Ilaustoria minuta, obovata vel pyriformia. Stipites fertiles
fasciculati (2—5 et plures), singuli sursum latiores apice
aut in ramulos 2—4 simplices breves conidiophoros divisi,
aut breviter bis dichotomi, caeterum omnino simplices, aut
sub apice diviso ramos 1—4 breves, horizontaliter patentes,
semel, bis, terve dichotomos gerentes. Ramuli ultimi
cylin-drico-conici, conidiis delapsis subtruncati. Zoosporangia
ovoi-dea vel ellipsoidea, variae magnitudinis, apice låte et obtuse
papillata. — Oosporae globosae, maturae oogonii
membra-nam tenuem, pallide luteo-fuscam, pellucidam omnino fere
explentes, episporio tenui, diaphano, pallide luteo-fusco, laevi
vel subrugoso, endosporio crasso, nitido munitae.
Syn. Botrytis pygmaea Ung. Exantli. p. 172. Peronospora
macrocarpa Cord. Icon. II, f. 21.
Exsicc. Karst. Fung. Fenn. 395. Bab. Fung. eur. cd. II,
373, 374 et 792. Thum. Fnng. austr. 108 (in Anem. ranimc.).
Hab. In foliis vivis Anemonis nemorosae mensibus Majo
et Junio in Fennia australi sat freqventer occurrit.
4. P. de n sa Rab. Herb. myc. ed. II, 173.
Mycelii hyphae crassae, saepe varicosae. Haustoria ve-
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