AND SYNONYMS 
fe LS 84 1G, 17; 28,27, 
32, 42, 44, 45, 54, 74, 90, 112, 
113, 139, 140, 141, 146, 148 
Pollen, 93, 94, 119 
Pollen-grain, 120, 121 
Pollen-tube, 120, 121 
Pollination, 93, 119, 120, 121 
Polygonum, 3 
Poly pogon—Beard-grass, 69, 90, 91, 
92,100, 101, 109; P. littoralis, 
31; P. monspeliensis, 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, 
feet ool, 69, 90, 92, 9o, 138); 
Parenaria, 7, 29, 33, 35, -36, 
48, 70, 79, 102, 138, 139 
Pubescence—hairiness, 26 
Pungent—spine-lke, 22 
Purple-flowered Small-reed—Cala- 
magrostis lanceolata 
Purple-stalked Cat’s-tail— Phleum 
Bohmert 
Purple-veined sheaths, 18 
Quadrangular shoot-section, 16, 40 
Quake-grass— Briza 
Quaking-grass—Briza media 
Racemous—like a raceme, 105 
Rachilla, 85, 123, 124, 128, 129, 
131, 137, 138, 142, 1438, . 144, 
149, 150, 164, 167, 169, 170, 172 
Rachis, 9, 85, 88, 106, 107 
Radicle, 121, 123 
Rare grasses, 6, 30, 31, 89, 90, 
91, 92 
Rat’s-tail 
rus 
Fescue—Festuca Myu- 
187 
Red-sheathed grasses, 18, 49, 59 
Reed, 2 
Reed Canary grass — Digraphis 
arundinacea 
Reed Fescue—Festuca sylvatica 
Reed-grass, 1, 6 
Reed Meadow - grass — Glyceria 
aquatica 
Reed Sweet-grass—Glyceria aqua- 
tica 
Reflexed leaves, 16 
Reflexed Meadow-grass—Poa dis- 
tans 
Rhizomes, 10, 11,.35, 36, 37 
Rhomboidal shoot-section, 16, 42 
Rib-grass—Plantago 
Ribbon - grass — Digraphis 
dinacea 
Ribs—the more opaque veins due 
to the larger vascular-bundles, 
22, 25, 62, 91, 127 
Rice, 1 
Ridgeless grasses, 25 
Ridges, 18, 21, 22, 23, 24, 25, 26 
47, 51, 53, 54, 65, 66, 67, 68, 69, 
CE ae dh bp Oks ko OU OL 
River-banks, 28, 29 
toad-sides, 29 
Rolled leaves, 15, 16, 20, 24, 25, 
63 
Rolling of leaves, 24, 25, 36 
Root-cap, 121 
Roots, 8, 12, 35, 121, 123, 131, 132, 
133 
Rough Cock’s-foot—Dactylis glo- 
merata 
Rough Meadow-grass—Poa trivialis 
Rough Phleum—Phleum asperum 
Rough-stalked Meadow-grass—Poa 
trivialis 
Round shoots, 15, 16, 42, 50, 57 
Ruderal grasses, 29, 32, 34, 35 
Rudimentary flowers, 89, 90, 105 
Runners, 12, 13, 14 
Rushes, 4, 33 
Rushy Wheat-grass — Agropyrum 
junceum 
Rye—Secale, 120, 132, 1383 
Rye Brome—Bromus secalinus 
Rye-grass—Lolium perenne 
arun- 
Salt species, 33 
