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FUNGORUM - Acervo Digital de Obras Especiais

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Agaricineæ, Leucosporæ, Russula. 469<br />

noso, violaceo-purpureo; lamellis attenuatis, inæqualibus furcatisve,<br />

plorantibus, albis.<br />

Hab. in pinetis Juræ et Britanniæ. - Pileus 2½-8 cm. latus;<br />

stipes circiter 5 cm. longus, 12 mm. crassus; sporis sphæricis, albis,<br />

echinulatis. Caro firma, alba, sub pellicula rubro-purpurea. E guttis<br />

lamellarum exsiccatis oriuntur maculæ cæruleo-cinereæ v. palli<strong>de</strong><br />

olivaceæ.<br />

53. Russula expallens Gill. Tab. Champ. Fr. p. 49, cum ic. - Pileo car- 1840<br />

noso, firmo, sub<strong>de</strong>presso, viscido, læte purpureo, centro atro-purpureo,<br />

6-8 cm. lato, <strong>de</strong>mum, excepto disco, <strong>de</strong>colorato, cutícula separabili;<br />

carne purpurea; stipite cylindrico, firmo, æquali v. prope<br />

basim paullo incrassato, 5-8 cm. longo, 2 cm. cr., purpurascente,<br />

farinoso; lamellis palli<strong>de</strong> flavis, basi furcatis, latis.<br />

Hab. sub arboribus in Gallia et Kew Gar<strong>de</strong>ns Britanniæ, - A<br />

R. drymeja Cooke differt sporis albis, carne flaccida, minus acri etc.<br />

V. FRAGILES. Pileus plus minus carnosus, rigido-fragilis, pellicula semper contigua,<br />

jove pluvio viscida et subseparabiIi tectus; margo membranaceus,<br />

primo connivens nec involutus, in adultis vulgo sulcatus tuberculosusque.<br />

Caro vulgo floccosa, laxa, friabilis. Stipes spongiosus, <strong>de</strong>mum totus mollis<br />

cavusque. Lamellæ fere omnes æquales, simplices, antice latescentes, in pileo<br />

clusili liberæ. - Plures occurrunt ambiguæ formæ; præcipue R. inte-<br />

gra coloris varietatibus fallax.<br />

*) Lamellis sporisque albis.<br />

54. Russula emetica Fr. Epicr. p. 357, Sverig. ätl. Svamp. t. 21, Hym. 1841<br />

Eur. p. 448, Bern. Roch. t. 40, f. 3, Berk. Outl. p. 212, Kickx p.<br />

205, Quél. p. 186, Agaricus Harz. t. 63, Barl. t. 14, f. 4. Lenz<br />

f. 15, Secr. n. 508. - Acris; pileo carnoso, explanato <strong>de</strong>pressove,<br />

polito, nitido, margine patente <strong>de</strong>mum suIcato, carne alba, sub pel-<br />

licula separabili rubella; stipite spongioso-solido, firmo, elastico,<br />

levi, albo rubel!ove; lamellis liberis, æqualibus, latis, subdistan ti-<br />

bus, candidis.<br />

Hab. in silvis Europæ, Amer. fœ<strong>de</strong>r, et ad terram Hautane,<br />

Ceylon Indiæ, nec non in Australia. - Pileus 5-10 cm. latus;<br />

stipes 6-8 cm. longus; sporæ sphæroi<strong>de</strong>æ, echinulatæ, 8-10 µ. diam.<br />

v. 9-10 8. Ampla, speciosa, regularis, firma, <strong>de</strong>in fragilis; lamellæ<br />

numquam pulveraceæ. Alia habetur forma elatior, pileo e cam-<br />

panulato expanso, lamellis persistenter liberis; alia pileo e con-<br />

vexo expanso, lamellis adfixis apparentibus. In forma typica pileus<br />

primo roseus, mox sanguineus, <strong>de</strong>in fulvus v. interdum ochroleucus<br />

et (locis udis) omnino albus. A. atro-purpureus Krombh. t. 64, f.

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