A CALENDAR OF THE COMMON GRASSES ACCORDING 



TO THEIR SEASONS OF MOST ABUNDANT 



BLOSSOMING 



April 15th to June 15th: 



Low Spear-grass (Poa annua) 195 



Sweet Vernal-grass {Anthoxanthum odoratum) .... 94 



White-grained Mountain Rice {Ory^opsis asperifolia) . . 99 



Slender Mountain Rice (0. pungens) 99 



Downy Brome-grass (Bromus tectorum) 222 



Meadow Foxtail {Alopecurus pratensis) 112 



Orchard Grass (Dadylis glomerata) 188 



Meadow Oat-grass {Arrhenaiherum elaiius) 142 



Black Oat-grass {Stipa avenacea) 100 



Kentucky Blue-grass {Poa pratensis) 195 



Canada Blue-grass (P. compress a) . 197 



Early Bunch-grass {Sphenopholis obtusata) 134 



Meadow Sphenopholis (5. pallens) 134 



Slender Sphenopholis {S. nitida) 134 



Velvet Grass (Holcus lanatus) 133 



Silvery Hair-grass {Aira caryophyllea) 132 



Wild Oat-grass (Danthonia spicaia) 143 



Narrow Melic-grass (Melica mutica) 181 



June 15th to July 20th: 



Reed Canary-grass {Phalaris arundinacea) 90 



Vanilla Grass {Hierochloe odoraia) 97 



Long-awned Wood-grass (Brachyelytrum erecium) . . . 108 



Brown Bent-grass {Agrostis canina) 115 



Rough Hair-grass {A. hyemalis) 115 



Black-grained Mountain Rice (Ory^opsis racemosa) . . 99 



Sheep's Fescue {Festuca ovina) 217 



Slender Fescue (F. ocioflora) 217 



Nerved Manna-grass {Glyceria nervata) 206 



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