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COMPAEATITE ANALYSIS. 



TEIANDEIA. Monogynia. 



Naedtjs. 

 riorets spiked, unilateral . 



TmANDRIA. Digynia. 



Alopecurtjs. 



1. Glumes not united 

 Glumes united at base. 



2. Spike ovate, inflated sheath of upper leaf thrice as long as 



the leaf ..... Alpinus. 



Spike cylindrical, sheath not thrice as long as upper leaf 3 



3. Culm erect, glumes acute 

 Culm ascending, glumes obtuse 



4. Spike obtuse, awn twice length of corolla . 

 Spike acute, awn more than twice length of corolla 



5. Awn as long as the glumes 

 Awn longer than the glumes 



Stricta. 



Bulhosus. 

 o 



4 

 5 



Pratensis. 



. Agrestis. 



Fulvus. 



Geniculatus. 



Spike dense, ovate 

 Panicle branched 



Glumes acute 



Phalaeis. 



Ammophila. 



Canariensis. 

 Arundinacea. 



Anmdinacea. 



Phlethh. 



1. Glumes awnless, twice as long as the corolla . Arenarimn. 

 Glumes mostly awned, not twice as long as the corolla . 2 



2. Glumes naked or downy (not ciliated) at the back. 3 

 Glumes ciliated at the back . . .4 



3. Culm mostly branched, glumes wedge-shaped . Asperum. 

 Culm simple, glumes lanceolate . . JBcehmeri. 



4. Glumes lanceolate, gradually tapering . . Michelii. 

 Glumes truncated . . . . .5 



5. Spike ovate-oblong, awn as long as the glume . AJfinum. 

 Spike cylindrical, awn shorter than the glume . . Pratense. 



Awns long 

 Florets 2;labrous 



Lagueus. 



Milium. 



Gasteidium. 

 Awn twice as long as the glumes . 



Ovafus. 



Effusum. 



Lendigerum. 



