ELVELLACEI. 719 



2172. Patellaria aquatica. Curr. " Aquatic Patellaria." 



Disc minute, scarcely a line wide, of a brownish tinge, dis- 

 tinctly margined, usually quite round and compact ; sporidia 

 colourless, 1-3 septate. — Carr. Linn. Trans, xxiv./). 155, t. 25,/. 

 23. B. ^ Br. Ann. N.H. no. 1079. 



On dead rushes, in water. Weybridge. May, 1862. 



The shape of the sporidia varies from cylindrical (and uniseptate) when 

 youn^, to elliptical (2-3 septate), when mature (•0()09--00 11 in) •022--027 

 m.m. long. The excipulum is formed of small distinct brown cells. 



2173. Patellaria palustris. Curr. " Swamp Patellaria." 



Disc very dark bluish-gray, almost black, margined, round, 

 or irregular, not a line wide ; excipulum composed of small, 

 distinctly outlined cells ; sporidia colourless, narrowly turbinate, 

 elliptical or curved. — Curr. Linn. Trans. xxW.p. 155, t. 25,/. 35. 

 B.^ Br. Ann. N.H. no. 1080. 



On dead rushes in water. Paul's Cray. May, 1862. 

 Sporidia (•OOOl-'OOOo in.) •01--0125 m.m. long. 



2174. Patellaria olivacea. Batsch. " Olive Patellaria." 



Disc at first circular, dark olive-green ; margin greenish- 

 brown, strongly incurved, ribbed and granular ; disc ultimately 

 effused, dark olive-green, with a narrow brown margin, the latter 

 very slightly incurved ; sporidia elliptical, or slightly turbinate, 

 clear bluish-green, uniseriate, binucleate. — Rhizina nigro-olivacea, 

 Curr. Linn. Titans, xxiv p. 494,?. 51,/. 10-12. Patellaria olivacea, 

 Batsch. f. 51. B. ^- Br. Ann. N.H. no. 1077, t. 15,/. 22. 



On rotten willow. 



Tt runs over the wood in an irregular manner, like thethallus of a Peltidea. 

 In its young state it is truly Peziza-\\ke, and very beautiful ; sporidia 

 (•0003-'U004 in.), 'OOZG-'Ol m.m. long; disc at first |to i in., ultimately ^xiu 

 or more across. 



2175. Patellaria bicolor. Curr. '• Two-coloured Patellaria." 



Disc variable in size, bright golden-yellow, fringed with rough 

 hairs, sometimes of the same colour as the disc, sometimes of a 

 beautiful scarlet, occasionally there is a tuft of hairs in the 

 middle of the disc, corresponding with the point of attachment 



