I 
82 Journal of Mycology [Vol. 8 
Phoma lupinicola Earle n. sp., on dead lupine stems. PI. Baker- 
ianae, 2:27. 25 March 1901. 
Phragmidium occidentale Arthur n. sp., on Rubus nutkanus. 
PI. Bakerianae, 2:3. 25 March 1901. 
Picea engelmanni, host to Lachnum engelmanni Tracy & Earle 
n. sp. PI. Bakerianae, 1 \2 6. 22 Feb. 1901. 
Picea engelmanni, dead wood, host to Guepinia alpina Tracy & 
Earle n. sp. PL Bakerianae, 1:23. 22 Feb. 1901. 
Pierce, Newton B. Walnut Bacteriosis. Bot. Gaz., 31 '.272-^. 
April 1901. 
Pinaroppus roseus, host to Puccinia pinaroppi Syd. nov. spec. 
Beiblatt zur Hedwigia, 401(128). Sept.-Oct. 1901. 
Pine, decorticated trunk, host to Peniophora crassa Burt. n. sp. 
An. Rep. N. Y. State Mus., 54:155. 1901. 
Piper aduncum, host to Cercospora portoricensis Earle sp. nov. 
Muhlenbergia, 1:15. July 1901. 
Piper aduncum, host to Meliola piperis Earle sp. nov. Muhlen¬ 
bergia, 1 :i3- July 1901. 
Plasmodia of Fuligo septica, Observations upon the Feeding. 
John W. Harshberger. Bot. Gaz., 31:198-203. March 
1901. 
Platystomum aceris Tracy & Earle n. sp. (Lophidium), on 
Acer glabrum. PI. Bakerianae, 1:32. 22 Feb. 1901. 
Platystomum alpinum Tracy & Earle n. sp., on Populus tremu- 
loides (decorticated wood). PI. Bakerianae, 1:32. 22 
Feb. 1901. 
Platystomum amelanchieris Tracy & Earle n. sp., on Amelan- 
chier (decorticated branches). PL Bakerianae, 1:32. 22 
Feb. 1901. 
Platystomum desertorum Tracy & Earle n. sp., on Artemisia 
sp. ? “Sage Brush/’ PL Bakerianae, 1132. 22 Feb. 1901. 
Platystomum hysterioides Earle n. sp., on decorticated Amelan- 
chier, and Fendlera. PL Bakerianae, 2:18. 25 March 1901. 
Platystomum salicum Earle n. sp., on Willow (dead barkless 
twigs). PL Bakerianae, 2:18. 25 March 1901. 
Pleospora balsamorrhizae Tracy & Earle n. sp., on Balsamorr- 
hiza deltoidea (dead stems). PL Bakerianae, 1:35. 22 
Feb. 1901. 
Pleospora compositarum Earle n. sp., on dead stems of Euce- 
phalus. PL Bakerianae, 2:21. 25 March 1901. 
