A REVISION OF THB GENUS BOVFSTA. 131 



coarsely spinulose, 12 p. diam. (Type in Herb. Berk. 4585). 

 Remarkable for the varied irregularity of form. From 1-1$ in. 

 across. No locality. 



5. B. Muelleri Berk. Linn. Journ., v. 13, p. 171. — Sub- 

 globose, with a short stout rooting base ; cortex soon broken 

 up into minute pale subpersistent warts ; peridium firm, rather 

 thick, brown ; mass of spores and dense capillitium reddish brown ; 

 threads flaccid, pale, but little branched ; spores globose, reddish 

 umber, coarsely spinulose, 10-12 //. including spines. (Type in 

 Herb. Berk. no. 4599.) Remarkable for the very large spinulose 

 spores. From ^ to 1 in. diam. Australia. 



6. B. pannosa Cooke. — Subglobose ; cortex thin, papery, becom- 

 ing torn and adhering in patches, brown ; peridium tough, smooth 

 hke leather, cinnamon ; mass of spores and capillitium umber 

 with purple tinge ; threads thick- walled, brown, branched, thinner 

 than diameter of spores, which are globose, warted, umber with 

 purple tinge, 7 /z. diam. Cooke in Grevillea. (Type in Herb. 

 Ivew.) Eio Janeiro. About 2 in. diameter. 



7. B. lateritia Berk in Herb. no. 4593. — Subglobose; cortex 

 evanescent ; peridium pale, thin ; mass of spores and exceedingly 

 dense capillitium bright rust-colour; threads thick-walled, brown, 

 branched, tapering ; spores spherical, coarsely warted, pale brown, 

 8 I*, diam. (Type in Herb. Berk. 4593. Sent as a queried 

 specimen by Montagne). About 1£ in. diam. Locality not known. 



8. B. dealbata Berk, in Herb. no. 4597. — Subglobose ; cortex 



piass of spores and 



._ f _ _._.__. w _ own, branched, 



tapering towards the tips; spores pale brown, globose, coarsely 



waited, 8 /x. diam. From li-2 in. across. N. Zealand. E. 

 Nepaul. * 



9. B. argentka Berk. — Oval, depressed; cortex evanescent, 

 Perulium very thin, papery, shining, silvery outside ; mass of 

 flares and capillitium dingy red-brown ; threads pale, sparingly 

 branched; spores globose, minutely warted, pale brown, 8-9 //. 

 <nam. « Larger diameter 2| inch., smaller 2£ inch., depth about 

 1 inch. Inner peridium resembling very thin paper which has 

 b een washed with silver. The sporidia and flocci resemble in 

 eoiour coffee and ©warn." (fcL J. B.) Berk., Ann. Nat. Hist. hi. 

 P. 400. (Type in Herb. Kew). Madras. 



*0. B. circdmscissa Berk, and Curt. Grev. n. p. 50.— bub- 

 globose ; cortex thick subcoriaceous, breaking in a circumsci de 

 fanner, the lower portion persistent and cupulate, peridium 

 "nckisli grey, furfuraceous, mouth small, rather silky; mass of 



Pores and capillitium umber with olive shade ; threads flexuous, 

 P**e, rarely branched ; spores globose, minutely verruculose, olive, 

 * bo *t 5 p. diam. Boi ta mbtemmm Peck, Ellis N. Amer. lung. 



*o.522. (Type in Herb. B.rk. 45-98). From f-1 in. diam. The 

 fPecies of Peck is simply a form in which owing to the locality, 

 . m hard trodden paths by the roadside," the cortex is pen tent ; 

 ■ ev ery other respect the two are identical. Spores sometimes 



'"most Or nnlu n ~*JL*l. n^UiJ tUttiittL 



evanescent, peridium very thin, fragile, silvery ; ma 

 ^ eilse ■ capillitium brown'; threads thick- walled, br 



or quite smooth. United Stat* 



K » 



