DR PARNELLS ANALYTICAL ARRANGEMENT 

 OF THE SPECIES. 



Genrm. 



JIOTTBOLLLS 



Alopectkcs. ptem rough to the touch. 

 (Stem smooth 



Speaa. 

 .JTardms ttrida. 



Plate. 



..Alopeeunu offratu. 



\ Upper leaf much diorter than its sheath 2. 



' Upper leaf about equal in length to its dieath ... 3. 



r Awn projecting more than half its length be- 



J Tond the floret ^lopeewna alpinni. 



j Awn (when present) projecting not more than 



I one-third bevond the floret ^h^peemnu pntmU. 



I Awn projecting about half its length beyond the 



< floret Alopeewnu gemit*dahu. 



' Awn not projecting bermid the floret Aioparmnu fulrtu. 



Phleim. 



Glumesawned _1. 



Glumes acute, not awned 2. 



^ Awn not half the length of the glume 



i Awn more than half the length of the glvune. . .Phletm alpinttm. 



Floret not half the length of the calyx .J'kU:nmeurHarimi». 



Floret more than half the length of the caljx-J*kUwm Midulii. 



AxTHOXAXTHlTt. . 

 AaOIOPHILA 



.-AtiAoaeBmgkm odontmm. S 



PHALARIi 



HORDBCM. 



.PhaJarit anrndimacea. 



^ Base of floret with two membranous valres Phalans eamariauia. 



( Base of floret with two hairr valves 



\ Glumes of the middle spikelet fringed... 

 ' Glumes not fringed 



.ffordeum tr.vrinun. 



