﻿DR PARNELL'S ANALYTICAL ARRANGEMENT 

 OF THE SPECIES. 



Genera. Species. Plate. 



Nardus Nardus stricta. 2 



Rottbollia Rottbollia incurvata 2 



. , t [ Stem rough to the touch Alopecurus agrestis. 3 



(Stem smooth 1. 



i S Upper leaf much shorter than its sheath 2. 



( Upper leaf about equal in length to its sheath ... 3. 



Awn projecting more than half its length be- 

 yond the floret Alopecurus alpinus. 4 



Awn (when present) projecting not more than 



one- third beyond the floret A lopecurus pratensis. 4 



Awn projecting about half its length beyond the 4 



floret Alopecurus geniculatus. 5 



Awn not projecting beyond the floret Alopecurus fulvus. 5 



-. ( Glumes awned 1. 



Phlecm. ] 



( Glumes acute, not awned 2. 



j Awn not half the length of the glume Pkkum pratense. 6 



I Awn more than half the length of the glume... PJdewn alpinum. 6 



9 ( Floret not half the length of the calyx Phleum arenarium. 7 



I Floret more than half the length of the calyx...Phleum Michelii. 7 



Anthoxanthum Anthoxanthum odoratum. 8 



Ammophila Ammophila arwidinacea. 8 



_ ( Base of floret with two membranous valves Phalaris canariensis. 9 



Phalaris. ] , „ 7 _ . _. 



f Base of floret with two hairy valves Phalarts arv/ndinacea. 9 



TT ( Glumes of the middle spikelet fringed Hordcura murinum. 1 Q 



Hordbum. ] 



' Glumea not fringed 1. 



b 



