334 BOTANICAL GAZETTE [NOVEMBER 
on the spore. As the spore matures and dries, _— oD — on 
either collapses or breaks off, leaving a“ truncate” or “emargin 
nd, ; 
aon spores of P. applanatus of both Europe and the ais — 
have exactly the same general structure as those of Ganoderma luci 
described above, as I shall explain in another paper. ag 
The spores of Ganoderma oregonense Murrill have the x pi 
structure, but the wall is thinner and the structure 1s mi 
easy to make out. The form of the spores is also somewhat e a 
being more nearly elliptical in form, though some are obova — 
they are slightly larger. In the spores from Ganoderma re ee 
from Mr. Harp, mentioned above as growing on roots of an a 
the peculiarities in the structure of the wall described — - 
G. lucidum and some other species are not well developed, an on 
demonstrated with difficulty. After several examinations, = 
the use of the oil immersion lens, I had nearly come to the conc - : 
that this species was an exception; but after boiling the bee a 
weak solution of potassium hydrate, the brownish perforati pre 
the wall were faintly visible. With some other differences e pee 
character this species seems to be different from the others. ae 
to present my interpretation of the different species ane add the 
study of specimens from Europe and the United States, I w1 
following diagnoses, : 
Same. PSEUDOBOLETUM (Jacq.) Murrill,?7 Bull. Torr. ie 
Club 29:602, 1902. | 
Agaricus pseudoboletus Jacq. Flor. Austr. 1:26-27. pl. 41. 1773: 
Boletus rugosus Jacq. Flor. Austr. 2:44. pl. 169. 1774- 
us lucidus Leys. Flora Halensis 300. 1783. 
Boletus obliquatus Bull. Herb. France. pl. 7. 1780; pl. 459- 179°: 
Polyporus lucidus Fries, Syst. Myc. 1:353. 1821. 
Polyporus laccatus Pers. Myc. Eur. 2:54. 1825. 
belli- 
It 
Ficheli (Nov. Plant 
Scopout cites. BATARRA in tum Cites Agaricum flabellijorme ena 2 applies to 
Gen. 118. 1729), which from his own and MicHeEtt’s description ev! 
some other plant. 
