INDEX, 



GLOSSARY AND LIST OF SYNONYMS. 



Figures in bold type (2S) refer to pages whereon the species or 

 subject is more particularly dealt with ; figures in italics (25) refer to 

 pages containing illustrations. 



Achene, 123 



Aoicular — bristle-like 



Acuminate — tapering to a long 



point, 21, 139, 146, 147 

 Acute — simply pointed, 19, 21 

 Adaptations, 20, 24, 36, 37, 70, 



124, 125, 132 

 Adventitious roots, 8, 131 

 Agriculture, 2, 3 



Agropyrum — Wheat-grass, 11, 14, 



i 2'2, 25, 26, 36, 49, 50, 51, 57, 69, 



88, 90, 91, loe, 107, 108, 144, 



\_150, 167, 170, 171 ; A. caninum, 



7, 21, 28, 34, 57, ao, 92, 107, 



150, 168, 169, 170 ; A. junceum 



— var. of A. repens, 21, 29, 33, 35, 

 36, 57, 66, 81, 102, 107; A. 

 repens, 7, 30, 57, SO, 81, 93, 

 _102, 106, 149, ISO, 169, 170 



l^grostis — Bent-grass, 7, 15, 22, 23, 

 49, 50, 51, 52, 53, 57, 82, 88, 89, 

 91, 103, 104, 105, 112, 118, 



125, 136, 137, 141, 144, 145, 

 159, 160, 161 ; A. alba, 7, 11, 

 13, 14, 28, 29, 32, 33, 34, 51, 52, 

 69, 92, 104, 144, 145, 162; 

 A. canina, 7, 11, 20, 28, 29, 37, 

 51, 52, 104, 161, 162 ; A. 

 setacea, 31, 104, 161, 162 ; A. 



W. 



Spica-venti, 31, 104, 130, 161, 

 162 ; A. stolonifera — var. of A. 

 alba, 14, 51, 52, 104, 145 ; A. 

 vulgaris — var. of A. alba, 29, 

 51, 52, 66, 104, 145 

 4ira— Hair-grass, 6, 20, 21, 36, 48, 

 88, 89, 90, 91, 103, 104, 105, 

 106, 110, 112, 117, 118, 125, 

 127, 138, 141, 144, 145, 159, 

 162 ; A. alpina — var. of A. ccb- 

 spitosa ; A. canescens, 8, 11, 14, 

 32, 47, 66, 78, 91, 112, 159; 

 A. caryophyllea, 8, 10, 14, 29, 

 32, 46, J18, 160; A. ccespitosa, 

 6, 11, 14, 22, 23, 25, 28, 33, 37, 

 41, 47, 48, 63, 65, 68, 69, 77, 

 104, 106, 117, laS, 160, 161; 

 A. fiexuosa, 7, 11, 14, 29, 33, 

 34, 46, 68, 70, 71, 79, 118, 

 158, 160, 161, 171 ; A. montana 

 — var. of A. flexuosa ; A. setacea 

 — var. of A, flexuosa; A. prtecox, 

 8, 10, 29, 30, 32, 47, 91, 112, 

 160 

 Air-spaces, 21, 39, 40, 62 

 Aleurone layer, 121, 122, 123 

 Alopecurus, 25, 53, 55, 88, 89, 90, 

 93, lOl, 109, 110, 119, 124, 1S2, 

 153, 165 ; A. alpinus, 31, 101, 



12 



