May 1902 ] bidex to North American Mycology 
31 
Chester, Fr. D. A Manual of Determinative Bacteriology. Pp. 
VI and 401. New York. 1901. 
Chester, Fr. D. Pear Blight and Pear Canker. Del. Agr. Exp. 
Sta. Bull. 52:2-8. April 1901. 
Chitonomyces bullardi Thaxter nov. sp., on the inferior margin 
of prothorax of Cnemidotus 12-punctatus Say. Proc. Amer. 
Acad. Arts & Sci. 37:31. June 1901. 
Chitonomyces hydropori Thaxter nov. sp., on the mid-elytron 
of Hydroporus modestus Aube. Proc. Amer. Acad. Arts & 
Sci. 37:32. June 1901. 
Chitonomyces occultus Thaxter nov. sp., on elytron of Cnemi¬ 
dotus sp. Proc. Amer. Acad. Arts & Sci. 37:30. June 1901. 
Chitonomyces psittacopsis Thaxter nov. sp., on the posterior legs 
of Laccaphilus sp. Proc. Amer. Acad. Arts & Sci. 37:30. 
June 1901. 
Chondrioderma trevelyani Rost. (With trace of columella — 
Arthur Lister.) Jour. Bot. 39:87. PI. 1. March 1901. 
Chrysopsis mariana, host to Puccinia marianae Syd. nov. sp. 
Beiblatt zur Hedwigia, 40:(127). Sept.-Oct. 1901. 
Chrysothamnus, decorticated stems, host to Trematosphaeria 
chrysothamni Earle n. sp. PI. Bakerianae, 2:17. 25 March 
1901. 
Clinton, G. P. Two New Smuts on Eriocaulon septangulare. 
Rhodora, 3 yg-82. April 1901. 
Clavaria acris Peck n. sp. on much decayed wood of coniferous 
trees. An. Rep. N. Y. State Mus. 54:155. 1901. 
Clavaria cervicornis A. L. Smith sp. n., on rotten wood. Jour. 
Linn. Soc. 35:10. 1 April 1901. 
Clavaria exigua Peck n. sp., among fallen leaves in woods. An. 
Rep. N. Y. State Mus. 54:155. 1901. 
Claviceps cinereum Griffiths n. sp., on Hilaria mutica and H. 
cenchroides. Bull. Torr. Bot. Club, 28:241. April 1901. 
Clematis ligusticifolia, host to Otthia clematitis Earle n. sp. 
PI. Bakerianae, 2:13. 25 March 1901. 
Clematis ligusticifolia, dead stems, host to Pyrenophora clema¬ 
titis Earle n. sp. PI. Bakerianae, 2:24. 25 March 1901. 
Clements, Frederic E., See Bessey, Charles E., Pound, Roscoe, 
and Clements, Frederic E. 
Clitocybe parasitica Wilcox n. sp., on dead trees and crowns of 
trees, peach, apple, cherry, oak. Oklahoma Agr. Exp. Sta. 
Bull. 49:1-32. 11 PI. Feb. 1901. 
Clitopilus noveboracensis umbilicatus Peck n. var. An. Rep. 
N. Y. State Mus. 54:165. 1901. 
