324 Index to American botanical literature 



Randolph, H, The influence of moisture upon the formation of roots 



by cuttings of ivy. Bull. Torrey Club 33 : 93-99. f. 1-5. 14 

 Mr 1906. 



* 



Rehm, H. Ascomycetes Americae borealis. III. Ann. Myc. 3 : 

 516-520. 10 F 1906. 



Includes descriptions of 10 new species in 8 genera. 



Riddle, L. W. Contributions to the cytology of the Entomophtho- 

 raceae : preliminary communication. Rhodora 8: 67, 68. 27 Mr 

 1906. 



Robinson, C. B. The history of botany in the Philippine Islands. 

 Jour. N. Y. Bot. Gard. 7: 104-112. Ap 1906. 



Rusby, H. H. A floating orchid {Habenaria repens). Jpur. N. Y. 

 Bot. Gard. 7: 112-115. /. j. Ap 1906. 



Rusby, H, H. The home of Dudley a Rusbyi. Torreya 6 : 50, 51. 

 16 Mr 1906. 



Rydberg, P. A. Studies on the Rocky Mountain flora — XVI. Bull. 

 Torrey Club 33: 137-161. 7 Ap 1906. 



Includes descriptions of 7 new genera and 9 new species, and many new com- 

 binations. 



Salmon, E. S. On the variation shown by the conidial stage of 

 Phyllactinia corylea (Pers.) Karst. — I. Ann. Myc. 3: 493~5°5- 

 //. 13-15. 10 F 1906. 



Two American varieties are named as new. 



Schaffner, J. H. Chromosome reduction in the microsporocytes of 

 Lilium tigrinum. Bot. Gaz. 41 : 183-191. //. 12, 13. 31 Mr 1906. 



Selby, A* D. Studies in etiolation. Bull. Torrey Club 33: 67-76- 

 P L 4> 5 +/• A-D. 14 Mr 1906. 



Simons, E. B. A morphological study of Sargassum Filipendula. Bot. 

 Gaz. 41 : 161-182. //. 10, 11. 31 Mr 1906. 



Smith, A. W. A new station for Asplenium ebenoides. Rhodora 8 : 

 68. 27 Mr 1906. 



Spalding, V. M. Biological relations of desert shrubs. II. Absorption 

 of water by leaves. Bot. Gaz. 41 : 262-282. 28 Ap 1906. 



Sprague, T. A. Polygala apopetala. Curt. Bot. Mag. IV. 2: pi. 

 8065. 1 Mr 1906. 



Native of Lower California. 



Stockard, C. R. Cytological changes accompanying secretion in the 

 nectar-glands of Vicia Faba. Bull. Torrey Club 33: 247-262. //. 

 10, 11. 10 My 1906. 



