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Switzerland; Italy; Belgium; Denmark; Hungaiy; Finland;
Bohemia; Venezuela; United States; Cuba; Ceylon; Australia;
New Zealand.
(Rostafinski’s Synonyms.)
Clathroides pyriformc, Hall, t. 1 , f. 5 (1742).
Trichia, Hall, t. 48, f. 5, No. 2167 (1798).
Lycoperdon vespariwii, Batsoh, t. 80, f. 172 (1786).
Stemonitis cinnaharina, Roth. FI. Germ., 347 (1788).
Lycoperdon favaceum, Schr. FL Bav., ii., 667 (1789).
Trichia pyriformis, Hoffm. V. Or., t. 1 , f. 1, (1790).
Stemonitis faseieulata, Pers. in Gmel. Sys., 1468 (1791).
Stemonitis vesparia, Gmel. Sys., 1070 (1791).
Trichia rubiformis, Pers. Disp., t. 1, f. 3, t. 4, f. 3 (1797);
Berk. Ann. N. H., No. 218; Cooke, Hdbk., No. 1177.
Trichia rubiformis, ¡3 minor, Pers. Disp., 54 (1797).
Lycoperdon ferrugineum, Hedw., t. 10, f. 1—4 (1802).
Trichia chalybea, Chev. FI. Par., t. 9, f. 24 (1827).
Trichia Ncesiana, Corda lo., i., f. 288 C (1837).
Trichia Ayresii, B. and Br., Ann. N. H., No. 390; Cooke,
Hdbk., No. 1179.
Arcyria paradoxa, Mass. (fig. 272).
Sporangia scattered or aggregated, sessile on a broad base,
hemisjjherical or irregularly elongated, smooth, rather shining,
dirty oohraceous, inner surface of the wall with a layer of organic
particles; mass of capillitium and spores pale lemon-yellow;
capillitium scanty, threads 4—5 g thick, much contorted and
forming a very loose net with hut few abrupt free tips, spirals
very much crowded, not prominent; spores globose, very minutely
warted, 8— 10 g diameter.
Hemiarcyria paradoxa, Mass., Rev. Trich., p. 356, 357, fig. 35.
On wood. Weybridge; Surrey.
Sporangia when hemispherical about '5 mm. diameter, 1— 2
mm. when elongated. Distinguished amongst species with
warted spores by the densely crowded spirals of the elaters,
and the presence of organic particles on the inner surface of
the sporangial wall.
A note by Currey, who collected the specimen, now in the
Currey collection in the Kew herbarium, says, “ The spores of
this specimen sown in water produced de Bary’s zoospores in
24 hours.”
Arcyria Bucknalli, Mass. (figs. 270, 271).
Sporangia sessile on a broad or narrow base, seated on a very
thin hypothallus, circular, reniform, or subangular from mutual
pressure, wall very thin, gilvo-ochraceous, soon disappearing;
mass of spores duU orange; capillitium well-developed, threads
sparingly branched and combined to form an irregular open
network with numerous, long, free tips, 4—5 g thick, walls with
annular ridges mostly crowded, but here and there scattered,
and sometimes passing into a spiral, the ridges with numerous
thin, straight spines 3—4 g long the free tips irregularly swollen,
without spirals or rings, but bristling with spines, as are also
certain interstitial swollen portions; spores globose, pale yellow,
minutely warted, 7—9 g diameter.
Hemiarcyria Bucknallii, Mass., Grev., v., 18, p. 27 (1889);
Bucknall, Fungi of the Bristol district, in Bristol Nat. Soc.
Proc., voL vi., pt. 11., 1889, 1890, p. 4, pi. 2, f. 5.
On wood. Bristol.
Generally crowded, about -5 mm. diameter, but extending
to 1'5 mm. when isolated and elongated. Most closely allied
to Hemiarcyria Wigandi, Rost., but at once distinguished by
the larger sporangia, the markings on the elaters being mostly
rings and not spirals, and in being furnished with numerous
spines. The present species combines the characters of Rostafinski’s
genera Ilemiarcyria and Gornuvicc, the spirals on the
threads of the capillitium pointing to the former, and the
numerous free arms to the latter. The spirals technically
separate this species from Ophiotheca as understood in the
present work.
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