MYCOLOCICAL NOTES 
0, G, LLOYD 
jr'Oge 02 6 
XYLARIA BOTUIIFORM' 7 '"’ 
065).- (Based on Balter 61) 
XD 
mcu 
4 U> • 
This 
pas named ey 
nx 
d.b 
I Know, oir 
it 
is 
inadvisable to base species on such s 
material. The features are the short, cylindrical, subsessile, 
obtuse clubs, strongly protruding perithecia, solid white stroma and 
small spores, 4 x 6-7, The clubs are not sterile at the apex as 
stated, nor has it for me any suggestion of Xylarie subgraeillina as 
Illustrated. It is needless to say it is 11 only known from the type 
locality”. 
D. MERRILL, PHI 
by Rehrn, 
nadvisable to base species 
t, cy 1 i ndr ical, b< 
tfl 
It is 
(Pig. 
good 
ant j- 
o 
r a 
ch> 
•XT 
ARRAEGEMIHT OP ALEURODISCUS OF OUR MUSEUM 
pretty 
The genus Aleurodiscus which has been 
fished by the recent work of Hohnel, Bourdot and Burt 
eseao- 
a el 
s based on 
Oorticiuias, Peniophorrs, Oyphellas 
large spores and basidia. It is about as illogical a genus as could 
be invented and embraces Stereurns 
and Oytidia of the older worhers, and 
a plant that was misclassed as 
ion. 
fiidio. 
^ c* 
cno 
it has been consistently ignored in Snecardc, but jl expect m 
•o - 
If 
LOW he 
considered even includes 
Purely artificial in my opin- 
T- 
JL 
•/ill be forced to recognise 
The name was proposed by Rabenhorst (or more likely Pinter) 
but 
view of its extensive employmen 
it. 
he had no idea of it in its present sense and Schroeter is really the 
nan who first defined it as at present employed. Th 
and basidia are the essential idea, but in addit 
mont of pcowphyses, cystidia, gloeocystidia. of v 
characters. The texture is membranaceous, cerac 
or subligneous, and in the sense of one author fleshy, and I believe 
in being logical and adding those that are gelatinous in order 
make the inconsistency complete 
T-'O'p. cn 
ores 
it has an 
as sort 
us shames 
and 
or firm. 
hard 
V o 
4.1 
elaborate p.per with 
Hohnel gave 
Iguros, some of thorn very inaccurate, of the species (12) with 
given a full mid c-refill account 
which he was acquainted. Burt has 
of the (14) Anorie-n species with emphasis on the microscopic char¬ 
acters. Those characters while easily seen in some species -re very 
difficult to mho out in others, ana it is hard to associate in one-*s 
mind species of fungi with microscopic characters mainly. As wo have 
had only r confused idc? of the species that have ••'ccuiuil'tni in our 
museum we have worked them over in the light of Burt’s p*per nd 
prusent photographs of those wo have, twenty-two in number, Given 
that a plant is an Aleurodiscus, which rests on only two characters 
u largo spores and basidia” it is easier to determine them from macro 
scopic characters and there are none wo have that cm be 
with emh other to the eye. I thirl: tho tendency of mod 
to base classification on difficult anatomical dissections, while 
perhaps theoretically correct, is practically doing a gr,ri cLwi to 
dopopuiarize the -subject or rather to prevent the subject from 
becoming popular. Tho genus Aleurodiscus differs so much in 
grosser aspect of the species that we have divided it into six 
sections, each of which could bo made ~ u nc?w genus”. 
v" 
con fused 
rn nyeolof 
jvmr 
T w - 
, Jm 
t J b 
Section 1. Fruit bodies small, gregarious 
chod by small point with fro, margin, cup 
UU V 
usum lly di s t inert, 
o n 
— 
* l) r. 
j.e v<‘ . 
«e 
cm sco ic. 
ALEURODISCUS AMOHPIIUS (Fig. 1 
cups with raised margins, 
prob'bly other acorous trees. 
LS66) 
- r''' -V "l - -N 
vx 11/ 
Xl 
x -v 
Grows on the bark 
of fir. 
snru 
r ' 
w-L, 
Spores 2C X 26. 
1 v . .JL 
sf ic: th 
i 
r.O 
l>v 
,'rl 
i. A J 
