Oct. 1903] hidex to North American Mycology 
195 
Puccini a windsoriae Burr, non Schw., syn. of Puccinia hibis- 
ciata q. v. 
Pyrus coronaria, host to Ascochyta coronaria Ell. & Davis n. sp. 
Trans. Wise. Acad. Sci. Arts & Let. 14:94 1903. 
Ramularia waldsteiniae Ell. & Davis n. sp., on leaves of Wald- 
steinia fragarioides Tratt. Trans. Wise. Acad. Sci. Arts & 
Let. 14:99. 1903. 
Ramularia waldsteiniae Ell. & Davis n. sp., on leaves of Wald- 
heimeriae. Ann. Mycolog. 1:330. July 1903. 
Relations of Insects to Fungi, see Fungi, The Relations . 
Rhizobia, Contributions to the Biology of. Ill; Notes on the 
Winter and early Spring conditions of Rhizobia and Root 
Tubercles. Albert Schneider. Bot. Gaz. 36:64-7. July 
1903. 
Rhizobia, Outline of the history of Leguminous root Nodules 
and, with titles of literature concerning the Fixation of free 
Nitrogen by Plants, — III. Albert Schneider. Minn. Bot. 
Studies, 3:133-9. 3 July 1903. 
Rhizobia and root Tubercles. [Winter and early Spring con¬ 
ditions of. Schneider.] Bot. Gaz. 36:64-7. July 1903. 
Rhizoctonia, A Rosette Disease of Potatoes attributed to, see 
Selby, A. D., A Rosette Disease. 
Rhizopus nigricans, formation of spores, see Spores, Formation. 
Rot, Bitter, of Apples [Glomerella rufomaculans], see Bitter 
, Rot 
Rust, Asparagus. [Notes on distribution.] Halsted, Byron D. 
and Kelsey, James A. An. Rep. N. J. State Agr. Exp. Sta. 
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Rust of the Cultivated Snapdragon. [Puccinia antirrhini.] W. 
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Rusts and Mildews, Notes upon some, at Wernersville, Pa. 
Halsted, Byron D. and Kelsey, James A. An. Rep. N. J. 
State Agr. Exp. Sta. 1902, 23:419-420. 1903. 
Sagittaria heterophylla Ph., host to Doassansia sagittariae con- 
fluens Davis n. forma. Trans. Wise. Acad. Sci. Arts & Let. 
14:92. 1903. 
Saprolegnia, Oogenesis in. Bradley Moore Davis. Bot. Gaz. 
35 ^33-249, 320-349. PI. IX-X. April and May 1903. 
Sarcosoma carolinianum Durand n. sp., attached to dead sticks 
among leaves, on damp wooded slopes. Jour. Mycol. 9:103. 
May 1903. 
