KEY TO PLATE XVII 



No. i. Seaside Manna Grass 

 (Glyceria tnaritima, WahL) 



a, Floret, witlj stamens and 4 

 versatile anthers, with palea, 

 with inflexedjedges, and flow- 

 ering glume. I, Pistil, with 

 2 feathery stigmas, c, Spike- 

 let, with anthers appearing 

 between glumes of 

 florets, d, Stem, with 

 and sheaths and flowers ip 

 panicle. 8 



No. 2. rf edgebog Grass 



(Cynosurus echinatus, L.) 



a. Floret, with-ciliate palea, 

 awned flowering glume, and 

 within stamens, with yellow 

 anthers, a^d pistil with stig- 

 mas (feathfcry) ; empty glumes 

 below. ^Floret, with pecti- 

 t nate em pty glumes and sp i ke- 

 ' let With glumes ani^anthie^ 

 Xfc, Plant, wjkh root^tpHc, M0ts, 

 r leaves\\^ ' 

 with spik 



' 



ushy Wheat Grass/ 



njunceum, Beauv.) 

 with stamens, long ; 

 -.-^and ^urp/e anthers, 

 palea and flowering glume, d, 

 Sptfctffety'/^f lowering steal/ 

 with leaves, sheathed belovr 

 and spike with altern^t 



No. 4. Squirrel-tail Grass 

 (Hordeutn maritimum, With.) 

 a, Pistil, with 2 feathery stigmas, lodicules 

 below, b, Bisexual middle spikelet with 

 palea, awned flowering glume, and awned 

 setaceous empty glumes, c. Lateral floret 

 with awned empty glumes ; awns! longer 

 than the glume, curved flowering jlumes, 

 and rachilla. ^Flowering steito, with 

 sheathing leaf and spike, with awned 

 spikdets. 



