718 TUBERACEl, 



225S. Genea verrucosa. Vitt. "TVarted Genea." 



Very irroo^nlar anrl polymorphons, gibbons, snlcate, or also 

 somewliat many-lobed, black, verrucose ostiolate ; ostiola some- 

 times very broad, radical filaments abbreviated ; sporidia broadly 

 elliptic, verrucose. — Tuf. Hyp. t. 4, f. 1, f. 12, f. 3. t. 13,/. 5. Vitt. 

 Tub. t. ii. /. 7. B. ^' Br. Ann. N.II. xviii. p. 78. G.j^ajnllosa, B. 

 Ann.N.II.xm. p. 356. 



In clayey soil. Bowood Park and King's Cliffe. 



Yariable in size from a pea to a small uut, erlobose, very irregular, often 

 many-lobed, with the lobes rounded, pxternally black and verrucose, cine- 

 reous or dirty white within ; sporangia bnear-elongfated, vervnbtu?'e; sporidia 

 broadly elliptic, '0256 m.m, broad, '032 m.m. long, verrucose and whitish, 

 ■warts very obtuse and unequal, nucleus oily. (Fig- 353.) 



2257. Genea Klotschii. B. db Br. " Klotsch's Genea." 



Foetid, peridium subplicate, black witbout and witbin, verru- 

 cose, affixed below to ratber rigid, brown, rooting fibrils ; my- 

 celium effuse, white, arachnoid and woven ; sporidia large, tuber- 

 culate. — B. ^ Br. Ann. N.H. xviii.;?. 78. Berh. Outl.p. 378. Corda. 

 Ic. vi. t. 11,/. 101. TuL Hyp. t. 13, /. 4. 



On the soil. Bristol and Devonshire. 



The mycelium spreads for some distance on or within the soil, so that the 

 plant is easily detected when the leaves are raked off. This vanishes when 

 the peridia are perfect. One or more individuals are found in each patch of 

 mycelium. In the young peridium the point of attachment is lateral. The 

 sporidia are large, coarsely granulated, and much exceeding iu volume those 

 of O. verrucosa.— M.J. B. Sporidia *04-'05 m.m. diameter. 



2258. Genea hispidula. Berl. " Hairy Genea." 



Small, brown, externally invested everywhere with rather 

 rigid, adpressed, brown flocci ; interior cavity very often simple, 

 with the mouth almost hidden ; radical fibres brown, adhering 

 to the base ; sporidia large, ellipsoid ; warts thick and crowded. 

 — G. papulosa, Berk. Ann. N.H. xviii. ;;. 76. Berk. Outl.p. 378. 



In the ground. Xear Chudleigh, Aspley, Beds., and Bristol. 



The whole peridium is of a rich brown, and is densely clothed with brown 

 bristles wherever it extends. The sporidia are very much larger and far 

 more coarsely granulated than in G. verrucosa, the granules, indeed, being 

 often bifid ; they often contain two nuclei, but sometimes there is but one. 

 Fi-om the size of a pea to that of a filbert. Sporidia "032 m.m. broad, '038- 

 '042 m.m. long; odour faint, not peculiar. 



