Bovista LYCOPERDACE, 477 



2078. B. plumbea Pers. (from the lead-coloured inner layer of the 



peridium ; plum bens, leaden) a b c. 

 Globose. Cor. thin, whitish, persistent towards base, inner layer 



tough, thin, dehiscing by a small irregular somewhat prominent 



stoma, lead-colour, slate-whitish or purplish-slate. Cap. and 



Spores brown. 

 Dry grassy and heathy places, downs, rarely on stumps. July-Nov. 



if x I -| in. 



2079. B. nigreseens Pers. (from the at length black or blackish 



colour of the inner layer of the peridium ; nigrescent, turning 

 black) a b c. 



Subglobose. Cor. papery, whitish, inner layer thin, tough, 

 dehiscing by an irregular somewhat prominent stoma, blackish, 

 brown-, slate-, olive-brown- or blue-black. Cap. and Spores 

 olive-brown then purplish-brown. 

 Dry pastures, heathy places. Jan. -Dec. 2% x 2% in. 



2080. B. olivaeea Cooke & Mass, (from the at length olive-coloured 



capillitium and spores) a c. 



Globose. Cor. thin, fugacious, whitish or ochreous, inner layer 

 thick, soft, becoming brittle and breaking away in patches 

 above, white or ochreous. Cap. and Spores citrine then olive. 



On the ground. Sept. 2 x 2 in. 



2081. B. ammophila Lev. (from the habitat, sandy places ; Gr. 



ammos, sand, phileo, to love) a. 



Broadly obovate, plicate below and tapering into a long stout 

 root-like growth. Cor. broken up into tomentose warts, 

 whitish, inner layer thin, dehiscing by a small irregularly torn 

 stoma, pallid. Cap. and Spores olive. 



Sandy places. Sept. if X if in. without root. 



2082. B. eepseformis Mass, (from the shape, like a flat onion ; cepa, 



an onion, forma, shape) a. 



Subglobose, flattish, somewhat plicate below. Cor. minutely 

 furfuraceous, whitish to very pale buff, inner layer dehiscing 

 by a small torn stoma, whitish or pale buff. Cap. and Spores 

 citrine. Myc. rooting, cord-like. 



On the ground. Ig X ij in. 



2083. B. pusilla Pers. (from the very small size ; pusillns, small) a b. 

 Subglobose. Cor. breaking up into minute scurfy squamules, 



pale yellowish-brown, inner layer flaccid, dehiscing by a small 

 stoma, pale yellowish-brown or olivaceous ochre. Myc. cord- 

 like, rooting. 

 Pastures, hedgebanks. f X g in. 



2084. B. ovalispora Cooke & Mass, (from the oval spores) a b. 

 Subglobose. Cor. very thin, subpersistent towards base, whitish 



or ochreous, inner layer thin, flaccid, smooth, dull lead-colour, 

 dehiscing by an irregular stoma. Cap. and Spores brown. 

 On the ground. Diam. 2 in. Formerly included with 2078 and 2079, but 

 differing in the oval spores and thinner cortex. 



