>406 



FUNGUS-FLOEA. 



On whitewashed walls and on mortar. ' 



, Distinguished by the minute, almost blood-red aecophore, 

 large elliptical spores, and habitat. 



Specimen collected at Pen-y-Gwryd, by Broome, and now 

 in Herb. Berk., Kew, accepted as typical. 



Humaria rutilans. Sacc, Syll. viii., n. 518; Eehm, 

 Krypt.-riora, Disc, p. 960; figs. 1-4, p. 918. 



■ Sumaria rutilans, Saco. — Fig. 1, group of fungi, natural size ; — Fig. 2, 

 sections, natural size ; — Fig. 3, section of excipulutn ; — Fig. i, asous with 

 spores and paraphyses ; — Fig. 5, free spores in various stages of develop- 

 ment ; — Fig. 6, spore showing structure of episphore at maturity. Figs. 

 3-5, X 400 ; fig. 6 X 800 (drawn from specimen named by Fries). 



Ascophore sessile, attached by a very short central point, 

 subglobose and closed at first, then expanding and becoming 

 quite plane, fleshy, margin entire, sometimes slightly raised, 

 at others Somewhat drooping ; ^1 cm. across; disc orange- 

 red or sometimes almost crimson, externally paler and beldw 

 the margin very minutely downy ; excipulum parenchymatous. 



