BY LEONARD RODWAY, GOVERNMENT BOTANIST. 25 



1-3 m.m., irregular, dark brown, giving a marbled appear- 

 ance in section. Spores brown, covered with very coai'se 

 nodules, 13 micron. Sterile base absent. 



HYDNANGIUM AUSTRALIENSE, B. et Br. 



Subglobose, pale, 1-2 cm. diameter. Peridiuni thin. 

 Gleba pale, and exuding white fluid on section at least till 

 old, becoming red-brown. Spaces numerous, small, tortuous, 

 the trama thin. Sterile base sometimes slight in other 

 specimens piercing the tuber to the apex. Spores pale 

 jellow, coarsely warted, 10-12 mici'on. 



HYDNANGIUM CARNEUM, Wallr. 



An irregular tuber, 2-3 cm. diaineter, pale pink. Peri- 

 diuni very thin and delicate. Gleba friable, pink, hyme- 

 nial spaces very crowded, rather large contorted, trama 

 very thin. Sterile base present. Spores white, finely 

 echinulate, 13-18 micron. 



HYDNANGIUM ARCHERI, Berk. 



''Obovate, small with a lai'ge sterile base, without 

 febrils ; gleba compact; spores globose, echinulate. 21-22 

 micron, diameter" (Cooke.) I have not met with this 

 species. 



2. GYMNOMYCES, Mass. et Rod. 



Peridium none or rudimentary. Gleba fleshy ; hy- 

 menial spaces numerous, not much contorted, trama thin. 

 Stgrile base absent, except in a few isolated tubers. Spores 

 hyaline, globose, I'ough, or echinulate. 



GYMNOMYCES PALLIDUS, Mass. et Rod. 

 ("Kew Bulletin," June, 1898.) 



Irregularly spherical, 2-3 cm. diameter, nearly white, 

 very fragile, with no apparent peridium. Gleba very 

 pale; hymenial spaces about 1 m.m. diametei*. Spores 

 iiiinutely warted, 9-10 micron. 



