MYCOLOGICAL NOTES 
C. G. LLOYD 
Page 937 
This is a form with distinct zones on the surface, the first 
have noted. In every ether lespect it is exscbly the same as 
usual plant, so abundant in the American tropics but more rare 
the East. 
W 3 
THE GENUS' PORONTA 
This genus, as we would define it, differs from other large 
Pyrenomycetes in having the black, carbonous peritheeia imbedded in 
a white, fleshy stroma-.. The shape is usually cup—form, rs-rely hemi¬ 
spherical', and the only other genus that approximates it is Garno— 
stromata which resembles a Xy laris. in form. All other of the large 
Pyrenomycetes have a black, carbonous crust. The name ( "because the 
disc is punctate porous") is a- misnomer because the disc is no more 
punctate porous than any other Pyrenomycete. There is one species-, 
Poronia punctata which is fairly common on c.img in Europe^ and 
widely 
species 
distributed 
OU'U 
rather 
o 
ed 
are dung 
iovxng, 
the 
rare in the Unit 
few that aie nor are 
States, Mo: 
exceptions. 
PORONLA PUNCTATA ( Rig. 1717).- Growings on dung; the head cup- 
form'and even with the surface, the stem imbedded in the matrix and 
can not be mistaken from our figures. 
it 
12 X 24, and like many of the 
has 
a thin, 
dung" 
It 
ovxn 
o 
The spores are 
Pvt enemycetes 
la 
each 
-ge, 
aoout 
spore 
mucilaginous coat. It is fairly common in Europe, rare 
in America, has been reported from India- and probably occurs in 
many temperate region countries, 
it appears on the surface of the 
from the matrix. 
Our Pig. 1717 shows the plant as, 
dung' and Fig. 1718' the same separate 
PORONIA OEDIPUS (Fig„ 1719).- Like the preceding species 
this grows usually on cakes of manure or manured ground but the 
heads are raised on a stalk either simple or branched and usually 
swollen near the base. It is very common in the West Indies, occurs 
in southern Europe' and southern United States and is recorded from 
many tropical countries. It seems to replace Poronia punctata in 
warm countries. The spores axe similar to those of Poronia punctata 
and our figure tells the remainder of my story. It was first col¬ 
lected at ly.on, France, and sent to Montagne who named it oedipus 
(or rather oedipoda ) as a stalked form of the preceding species. 
Then he got it from Cuba, and illustrated it in his work on Cuba, 
raising it to specific rank. It has since been found widely in 
tropical countries. Montagne was only acquainted with the simple 
form (Fig. 1719) with a swollen stem, hence the name. But a branched 
form (Fig. 1720) occurs also In the tropics, which has never xeceiv- 
ed a special name, but is as much entitled to one as many species 
are. The stem of this branched form is not swollen as far as the 
specimens I have seen and I have the impression it takes this 
branched form when growing in manured earth and rarely in cakes of 
manure. Our Fig, 1719 with simple stem is from Rev. Langlois, 
Louisiana. Fig. 1720, right, from Ji A, Stevenson, Porto Rico, 
and Fig. 1720, left, from F c 8. Earle, Cuba, the two latter in the 
New York Botanical Garden. 
All 1 the following" species of Poronia are known from but few 
collections each. 
