1918] 
ZELLER AND DODGE—RHIZOPOGON 25 
5. Rhizopogon rubrocorticeus Zeller & Dodge, sp. nov. 
Fructificationes globosae, 1.7-3.7 cm. diametro metiens, servatae 
“Hessian brown" (Ridgway) saepe eum “coral-pink”’ (Ridgway) 
maculis, siccatae “Verona brown" vel “snuff-brown” (Ridgway), 
tactu nigrescentes; funieuli pauci, liberi, subramosi, prominentes, 
“Hessian brown" (Ridgway) vel saturatiores; peridium crassum, 
600-800 ц crassitudine, simplex, “russet” vel “ox-blood-red” et 
“claret-brown” (Ridgway), hyphis septatis, granulis coloratis im- 
pletis, contextum; gleba albida recens, "light buff" (Ridgway) 
sicca; locelli irregulares, vacul aut nonnulla ex "MG recens im- 
pleti; septa hyalina, 60-70 ш crassitudine, cellulis pseudoparen- 
chymatibus confecta, non scissilia; basidia late ovate, 61010-13 ш 
sterigmatibus 3-6 д longitudine munita; sporae acrogenae, “cream- 
buff" (Ridgway) acervatae, ellipsoideae, 5-6.53-4 y, saepe digut- 
tulatae. 
Habitat in Mauritio Insula. 
Type: in Lloyd Museum, Zeller Herb., and Dodge Herb. 
Fructifications globose, 1.7-3.7 em. in diameter, with a dis- 
tinct reddish appearance in preserved specimens, Hessian 
brown (often with spots of coral-pink), on drying becoming 
Verona brown to snuff-brown and almost black where bruised; 
fibrils few, free, somewhat branched, very prominent, Hessian 
brown to darker; peridium 600—800 џ thick, simplex, russet to 
ox-blood-red and claret-brown, of septate hyphae containing 
pigmented granules; gleba white when fresh, drying to light 
buff; cavities irregular, medium size, empty or partially 
filled when young; septa hyaline, 60-70 и broad, compact, com- 
posed of pseudo-parenchyma, not scissile; basidia hyaline, 
broadly ovate, 6-10X 10-13 ш; sterigmata about as long as 
the spores; spores cream-buff in mass, appearing hyaline 
when alone, ellipsoidal, mostly 2-guttulate, 5-6.53-4 и. 
In Mauritius. 
Specimens examined: 
Mauritius: Le Reduit Gardens, C. A. O'Connor (in Lloyd 
Mus., 06217, type, 06316, and 12191, under the name Anthra- 
cophlous rhizopogonoides. 
6. Rhizopogon Briardi Boudier, Bull. Soc. Bot. France 32: 
984-985. 1885; Icones Мус. 4: 97. 1911; De Toni іп басс. Syll. 
Fung. 7 : 163. 1888. 
