702 Index to American botanical literature 



Penhallow, D. P. An account of certain noteworthy features in the 



habitat qX Rhodora. Rhodora II : 173-177. 29 S 1909. 

 Quehl, L. MamiUaria ceratites Quehl n. sp. Monats. Kakteenk. 



19: i55» 156. 150x909. [Illust.] . 

 Ramaley, F. The silva of Colorado — IV. Forest formations and 



forest trees. Univ. Colorado Studies 6 : 249-2S1. / /-J^. [My] 



1909. 



Rosendahl, C. 0. Embryo-sac development and embryology of Symplo- 

 carpus foetidus. Minnesota Bot. Stud. 4: 1-9. //. 1-3. to Je 1909. 



Rusby, H. H. Report on botanical work on the Pacific coast. Jour. 

 N. Y. Bot. Gard. 10 : 227-234. O 1909. 



Sampson, A. W,, & Allen, L. M. Influence of physical factors on 

 transpiration. Minnesota Bot. Stud. 4: 33-59. 10 Je 1909. 



Smith, J. D. Undescribed plants" from Guatemala and other Central 

 American Republics — XXXIL Bot. Gaz. 48 : 294-300. 21 O 

 T909. 



Describes 14 new species distributed through 13 genera. 



Stapf, 0. Laurelia serrata. Curt. Bot. Mag. IV. 5 : //. 82jg. O 

 1909. 



Sydow, P, & H, Monographia Uredinearum seu specierum omnium 

 ad hunc usque diem cognitarum descriptio et adumbratio systematica, 

 2^: 1-144. //. i'-j. 20 S 1909. 



Includes 2 new Brazilian species of Uromyces. 



Underwood, L. M. Ptcridophyta, N, Am. Fl. 16 : i. 6 N 1909. 

 Underwood, L, M. Marattiahs. N. Am. FL 16: 15. 6 N 1909. 

 Underwood, L- M. Marattiaceae. N. Am. Fl. 16 : 17-23. 6 N 1909. 



Includes Marattia excavaia sp, nov. 



Underwood, L. M., & Benedict, R. C. Ophioglossaceae. N. Am. Fl. 

 16 ; 2-13. 6 N 1909. 



Includes Ophioglossum Harruii Underwood, sp. nov. 



Underwood, L. M., & Benedict, R. C. Ophioglos sales. N. Am, FL 



16 : I. 6 N 1909. 



Underwood, L. M., & Maxon, W. R. Filicales. N. Am. FL 16 : 25. 



6 N 1909, 



« ■ 



Weingart, W. Cereus Purpusii^^xxi^. spec. nov. Monats. Kakteenk. 

 19: 150. 153-155- ^5 O IQ09. 



