The Biology of Polyporus Pargamenus Fries 23 
LOUISIANA — Continued: 
On . Ville Platte, A. B. Langlois, in May, 1886 
(Herb. Path. Coll.) ; Slidell, C. J. Humphrey, in July, 1909 (F. P. 
5376). 
MAINE: 
On Salix sp. Kittery Point, A. 8. Rhoads, in April, 1918. 
On Populus tremuloides. Kittery Point, A. 8S. Rhoads, in June, 
1918. 
On Betula populifolia. Kittery Point, A. S. Rhoads, in April, 1918; 
in July, 1918 (F. P. 23681). 
On Betula lutea. Hastings, G. G. Hedgecock, in July, 1913 (F. P.). 
On —. Orono (Fungi of N. A., No. 140 a). 
MARYLAND: 
On Pinus virginiana. Takoma Park, A. S. Rhoads, in November, 
NOE Bs 23651). 
On Betula nigra. Takoma Park, G. G. Hedgcock, in September, 1908 
(F. P. 4020) ; Great Falls, A. S. Rhoads, in October, 1917 (F. P. 
23650) ; Cabin John Creek, A. S. Rhoads, in November, 1917 
(EB. P. 23656). 
On Carpinus caroliniana. Takoma Park, A. S. Rhoads, in Novem- 
ber, 1917 (F. P. 23649); Cabin John Creek, A. S. Rhoads, in 
November, 1917. . 
On Fagus atropunicea. Cabin John Creek, A. S. Rhoads, in Novem- 
ber, 1917. 
On Castanea dentata. Takoma Park, G. G. Hedgecock, in September, 
1908 (F. P. 253 and 411); in 1909 (F. P. 467). 
On Quercus alba. Takoma Park, G. G. Hedgecock, in April, 1911 
(F. P. 9006). 
On Quercus prinus. Cabin John Creek, A. S. Rhoads, in November, 
1917. 
On Quercus rubra. Glen Echo, A. 8. Rhoads, in August, 1917; 
Great Falls, A. S. Rhoads, in October,. 1917. 
On Quercus palustris. Cabin John Creek, A. S. Rhoads, in October, 
1917. 
On Liriodendron tulipifera. Takoma Park, G. G. Hedgecock, in June, 
1910 (F. P. 4001 and 4006) ; Glen Echo, A. S. Rhoads, in August, 
1917. 
On Prunus serotina. Chain Bridge, A. 8. Rhoads, in October, 1917. 
On Acer rubrum. Great Falls, A. S. Rhoads, in October, 1917; 
Cabin John Creek, A. S. Rhoads, in November, 1917. 
MASSACHUSETTS: 
On Salix sp. Mt. Auburn, E. A. Burt, in November, 1893 (Herb. 
HH. A. Burt). 
