Twenty-first Annujil Meeting. 



Peronospora. Corda 74 



alta Fuckel (24), 79 



AnaqaUidis Schroeter,! ,1, „„, „ ,-, , , ^ _„ 



Androsacesme^sX., 'j (Peronospora Candida.) 79 



Arenariae Berkeley, var. macrospora Farlow (14), 75 



Arthuri Farlow (16), 75 



Auslralis Speg. ( Plasiuopora Austral is) 72 



Candida Fuckel (25), 79 



Corydalis De Bary (18), 76 



Cynoglossi Burrill (21), 77 



Cynoglossi var. (?) Echinospermi Swingle 77 



Effusa (Grev.) Rabenh (29), 83 



Euphorbiae Fuckel (31), 84 



grisea Unger (26), 81 



Hedeomae Kell. & Sw (27), 81 



Kellermanii Ell. & Halsted ( Plasmopara sp.) 74 



leptosperma DeBary (23), 79 



Lini Schroeter (15), 75 



Lini E. & K. ( Peronospora Llni Schroeter) 75 



OxybaphiE. & K (17), 75 



parasitica (Pers.) Fries (19), 76 



Polygoni Thiim. (Peronospora Rumicis) 83 



Potentillae DeBary (20), 77 



Rumicis Corda (30), 83 



sordida Berkeley (32), 84 



Swinglei E. & K (28), 82 



Trifoliorum Pe Bary (22), 79 



Viciae (Berkeley) De Bary (13), 74 



Phytophthora De Bary 69 



[infestans (Mont.) DeBary] 69 



Plasmopara Schroeter 70 



Australis ( Speg.) Swingle (9), 72 



Geranii (Peck) Berl. & DeToui (7), 70 



Halstedii (Farlow) Berl. c% DeToni (10), "3 



viticola (B..t C.) Berl. & DeToni (S), 70 



sp. (=Peronospora Kellermanii) (11), 74 



ScLEROSPORA Schroeter 70 



graminicola (Sacc.) Schroeter (6), 70 



AN ARTIFICIAL KEY TO THE KANSAS GRASSES. 



BY W. A. KELLERMAX, PH. C, 

 State Agricultural College. 



[Descriptions of the species are given under corresponding numbers in "The Native Grasses of 

 Kansas," published in the Report of the State Board of Agriculture for the Quarter ending Marctf 31, 

 1889.] 



Spikelets sessile on opposite sides of a jointed, or channeled rachis, forming a simple spike (1). 



Spikelets not as above (5). 

 1. Spikelets single at each joint of the rachis (2). 



1. Spikelets 2 or more at each joint of the rachis (3). 



2. Spikelets one-flowered, partly immersed in the triangular rachis 30 Schedonn.\rdus. 



2. Spikelets many-flowered, placed edgewi.se on the rachis 52 Lolium. 



2. Spikelets several-flowered, placed flatwise on the rachis 53 Agropyrum. 



8. Outer glumes anterior, forming a sort of involucre (4). 



3. Outer glumes none or 1-2 awn-like rudiments 56 Asprella. 



4. All the spikelets perfect and similar 55 Elymus. 



4. Central spikelet of each cluster perfect and sessile, the two lateral short- 



stalked and sterile 54 Hordeum. 



5. Spikelets in a coriaceous, spiny involucre, or bur 7 Cenchrus. 



5. Spikelets capitate; small grasses, creeping or stoloniferous (6). 



5. Spikelets not as above (7). 



