INDEX TO RECENT LITERATURE 461 
Kneucker, A. Bemerkungen zu den ‘‘ Carices exsiccatae,’’ X Liefe- 
rung, 1902. Allgem. Bot. Zeits. 7: 170-172. 15 O I901; 192- 
495. I8.N 190%, 
Kneucker, A. Bemerkungen zu den ‘‘ Gramineae exsiccatae,’’ III u. 
IV Lieferung 1901. Allgem. Bot. Zeits. 6: 240-244. 15 D 1900; 
7: 9-14. 15 Ja gol. 
Kraenzlin, F. Orchidacearum Genera et Species. 1: i-viii. 1-986. 
Berlin, [1897—-] 1901. 
Monograph of the family ; nearly 200 American species are described in this volume. 
Kraenzlin, F. Orchidacearum Genera et Species. 2: 1~32. f/. 1-4. 
Berlin, 1903. 
Twelve species, all American, including two new species of Bzpinnu/a from Chile. 
Lazenby, W. R. Notes on some Forest Trees of Ohio. Jour. Co- 
lumbus Hort. Soc. 16: 115-118. f z, 2. D 1901. 
Lazenby, W. R. The Pollination and Fertilization of Plants. Jour. 
Columbus Hort. Soc. 18: 20-24. Mr 1903. 
Lyon, H. L. The Pteridophytes of Minnesota. Minn. Bot. Stud. 
3: 245-255. 3 Jl 1903. 
Molisch, H. Ueber localen Blutungsdruck und seine Ursachen. Bot. 
Zeit ung, 60': 45-63. 16 Mr 1902. 
Nash, G. V. A Preliminary Enumeration of the Grasses of Porto 
Rico. Bull. Torrey Club, 30: 369-389. 10 Jl 1903. 
Includes new species in MJonachne, Paspalum (3), Jsachne, Panicum (3) and 
fleterosteca, and several new combinations. 
Purdy, C. A Revision of the Genus Calochortus. Flora and Sylva, 
I: 22-30. f/. Ap 1903. 
Rennert, R. J. The Phyllodes of Oxyfolis filiformis, a Swamp 
Xerophyte. Bull. Torrey Club, 30: 403-411. f 7-3. 10 Jl 1903. 
Robinson, B. L. A hitherto Undescribed Pipewort from New Jersey. 
Rhodora, 5: 175, 176. 6 Je 1903. 
Eriocaulon Parkeri sp. nov. 
Rosendahl, C.0. An Addition to the Knowledge of the Flora of 
Southeastern Minnesota. Minn. Bot. Stud. 3: 257-269. 3 Jl 
1903. 
Rosendahl, C.0. A New Species of Razoumofskya. Minn. Bot. 
'. Stud. 3: 271-273. pl. 27, 28. 3 Jl 1903. 
R. tsugensts, from Vancouver Island. 
Sargent, C.S. Crataegus in Northeastern Illinois. Bot. Gaz. 35: 
377-404. 22 Je 1903. 
Includes descriptions of 20 new species. 
