1918] 
ZELLER AND DODGE—RHIZOPOGON 27 
8. Rhizopogon lapponicus Karsten, Finska Үеі.-бос. 
Bidrag Natur och Folk 48: 19. 1889 (ok Krit. Öfversigt af 
Finl. Basidsv. 19. 1889); Saccardo, Syll. Fung. 9 : 280. 1891. 
Rhizopogon luteolus Karsten, Finska Vet.-Soc. Bidrag 
Natur och Folk 25 : 354. 1876 (or Myc. Fenn. 3 : 354. 1876). 
Peridium difform, commonly sphaeroid, reniform or ovoid, 
with loose, radicating fibrils, at first white, then light yellow or 
dirty yellow, within becoming yellow; spores ellipsoid, dilute 
yellowish or subhyaline, smooth, straight, 7-104-5 p. .... 
Hab. wooded areas in earth, very rare. So far, I have 
collected it on the Island Runsala near Åbo and at Knisiguba 
in southern Russian Lapponia. Summer and autumn. 
—Karsten. 
Sparse or gregarious. About 2 cm. in diameter. Odor and 
taste nauseous. 
There seems little in the above description to distinguish it 
from R. rubescens. The type should be carefully studied. 
9. Rhizopogon Webbii Tulasne, Fung. Hypog. 91. 1851; 
De Toni іп Saec. Syll. Fung. 7: 164. 1888. 
Rhizopogon albus Montagne in Webb & Bertholet, Hist. 
Nat. des Iles Canar. ПІ. 24:85. 1841.—Splanchnomyces 
Webbiana Corda, Icones Fung. 6 : 40. 1854. 
Illustrations: Corda, Icones Fung. 6: pl. 8. f. 74. 
Fructification rotund, difform, lobate-depressed, confluent, 
smooth, from white becoming brown, with fibrillose base, 2-2,5 
em. in diameter; peridium testaceous-fulvous, smooth, thin; 
gleba fulvous-alutaceous, firm, compact; cavities narrow, bent, 
meandriform; septa pale luteous, homogeneous; hymenium 
greenish; sterigmata short; spores cylindric, ellipsoid, 
smooth, rounded at each end, olivaceous, .0003 p. p. p. long 
(teste Corda). 
Habitat: under fallen leaves of Pinus canariensis in high 
places, Chasna and elsewhere in the Canary Islands. Edible. 
The above description was drawn up from a combination 
of the references given above. Both Montagne and Tulasne 
state that the specimens, preserved in alcohol, were sterile and 
young. The Corda description was probably drawn up by 
