AND SYNONYMS 



187 



alis, 7, 11, 13, 14, 16, 17, 18, 27, 

 32, 42, 44, 45, 54, 74, 90, 112, 

 113, 139, 140, 141, 146, 148 



Pollen, 93, 94, 119 



Pollen-grain, 120, 121 



Pollen-tube, i-?C, 121 



Pollination, 93, 119, 120, 121 



Polygonum, 3 



Polypogon — Beard-grass, 69, 90, 91, 

 92, iOO, 101, 109 ; P. littoralis, 

 31 ; P. vionspeliensis, 31 



Ponds, grasses of, 28, 29 



Popular names, 6 



Potassium salts, 32 



Prairies, 1, 36, 38 



Prickle-hairs, 66 



Primary root, 123, 131 



Procumbent Meadow-grass — Poa 

 procumbens 



Protandrous — when the pollen is 

 mature and shed before the 

 stigma of the same flower is 

 ready for pollination, 119 



Proterogynous — when the stigma 

 is receptive before the pollen of 

 the same flower is mature, 119 



Psamma, 4, 11, 13, 14, 21, 25, 36, 

 48, 79, 81, 89, 90, 92, 95, 138; 

 P. arenaria, 7, 29, 33, 35, 36, 

 48, 70, 79, 102, 138, 139 



Pubescence — hairiness, 26 



Pungent — spine-like, 22 



Purple-flowered Small-reed — Caki' 

 magrostis lanceolata 



Purple-stalked CsiVs-tSiil—Phleum 

 Bcehmeri 



Purple-veined sheaths, 18 



Quadrangular shoot-section, 16, 40 

 Quake-grass — Briza 

 Quaking-grass — Bi-iza media 



Eacemous — like a raceme, 105 

 Eachilla, 85, 123, 124, 128, 129, 



131, 137, 138, 142, 143, 144, 



149, 150, 164, 167, 169, 170, 172 

 Eachis, 9, 85, 88, 106, 107 

 Eadiele, 121, 123 

 Eare grasses, 6, 30, 31, 89, 90, 



91, 92 

 Eat's-tail Fescue — Festuca Myu- 



rus 



Eed-sheathed grasses, 18, 49, 59 



Eeed, 2 



Eeed Canary grass — Digraph is 



anmdinacea 

 Eeed Fescue — Festuca sylvatica 

 Eeed-grass, 1, 6 

 Eeed Meadow • grass — Glyceria 



aquatica 

 Eeed Sweet-grass — Glyceria aqua- 

 tica 

 Eeflexed leaves, 16 

 Eellexed Meadow-grass — Poa dis- 



tans 

 Ehizomes, 10, 11, 35, 36, 37 

 Ehomboidal shoot-section, 16, 42 

 Eib-grass — Plantago 

 Eibbon - grass — iJigraphis arun- 



dinacea 

 Eibs — the more opaque veins due 



to the larger vascular-bundles, 



22, 25, 62, 91, 127 

 Eice, 1 



Eidgeless grasses, 25 

 Eidges, 18, 21, 22, 23, 24, 25, 26, 



47, 51, 53, 54, 65, 66, 67, 68, 69, 



71, 73, 77, 78, 79, 80, 91 

 Eiver-banks, 28, 29 

 Eoad-sides, 29 

 Eolled leaves, 15, 16, 20, 24, 25, 



63 

 Eolling of leaves, 24, 25, 36 

 Eoot-cap, 121 

 Eoots, 8, 12, 35, 121, 123, 131, 132, 



133 

 Eough Cock's-foot — Dactylis glo- 



merata 

 Eough Meadow-grass — Poa trivialis 

 Eough Phleum — Phleum asperum 

 Eough-stalked Meadow-grass — Poa 



trivialis 

 Eound shoots, 15, 16, 42, 50, 57 

 Euderal grasses, 29, 32, 34, 35 

 Eudimentary flowers, 89, 90, 105 

 Eunners, 12, 13, 14 

 Eushes, 4, 33 

 Eushy Wheat-grass — Agropyrum 



junceum 

 'Rye—Secale, 120, 132, 133 

 Eye Brome — Bromus secalinus 

 Eye-grass — Lolium perenne 



Salt species, 33 



