Beard-grass--_Polypogon_ Bent-grass--_Agrostis_ Bent-grass--_Agrostis canina_ Bermuda grass--_Cynodon Dactylon_ Biennial grasses, 10, 43 Bifid--cleft into two teeth, 95 Bitter-tasting grasses, 58, 59 Blade of leaf, 17, _18_, _19_, 20, 22, _23_, _24_, 26 Blue Moor-grass--_Sesleria cærulea_ Boat-shaped “seeds,” 127, _128_, _129_, 138, 142, _143_, 144, 167, 168, _169_, _170_ Bœhmer’s Phleum--_Phleum Bœhmeri_ _Brachypodium_--False Brome, 11, 14, 20, 60, 70, 88, 90, +107+, 108, 109, 165, 167; _B. pinnatum_, 7, 34, +61+, +78+, 93, +107+, 130, 168, _170_, +171+; _B. sylvaticum_, 7, 26, 28, 33, 34, 60, +61+, 76, 78, 92, +107+, 128, _164_, +168+, 171 Bracteoles, 95, 96, 97 Bracts, 94, 97 Branching, 6, 11 Branching of inflorescence, 83 Bristle-grass--_Setaria_ Bristle-leafed Bent-grass--_Agrostis setacea_ Bristle-like leaves, _16_, 21, _24_, 45 Bristle Oat--_Avena strigosa_ Bristles, 67, 125, 130 _Briza_--Quaking-grass, 14, 16, 22, 25, 90, 91, 92, 104, 136; _B. media_, 8, 11, 17, 27, 32, +45+, 66, +77+, +112+, +142+; _B. minor_, 10, 17, +45+, 112, 142 Brome--_Bromus_, 166, 167 _Bromus_--Brome-grass, 6, 10, 14, 17, 26, 44, 51, 59, 61, 76, 90, 91, 92, 95, 103, 104, 107, +115+, 117, 144, 151, 168; _B. Alopecurus_, 95; _B. arvensis_, 7, 8, 11, 27, 30, 32, +43+, 44, +76+, 108, +115+, 128, +166+, _167_; _B. asper_, 6, 11, 17, 20, 22, 26, 28, 33, 34, +43+, 44, 59, 76, +115+, 116, _164_, +165+, 168; _B. commutatus_--_B. racemosus_; _B. diandrus_--_B. madritensis_; _B. erectus_, 7, 11, 13, 14, +43+, 51, 70, 100, +164+, 165, 166; _B. giganteus_, 6, 11, 28, 33, 34, +43+, 44, 51, 76, 82, +115+, 116, 165, +166+; _B. inermis_, 13, 22, 31, +43+, 167; _B. madritensis_, 31, 116, 166; _B. maximus_, 31, 116, 166; _B. mollis_--var. of _B. arvensis_, 8, 26, +43+, 44, 108, 115, 143, +166+, _167_; _B. multiflorus_--var. of _B. arvensis_; _B. racemosus_--var. of _B. arvensis_; _B. Schraderi_, 167; _B. secalinus_--var. of _B. arvensis_, 115, 166, _167_; _B. sterilis_, 7, 11, 27, 30, 32, +43+, 44, +76+, +116+, _131_, +165+, 172 Brown Bent--_Agrostis canina_ Buds, 12 Bulbous Meadow-grass--_Poa bulbosa_ Bulbous Poa--_Poa bulbosa_ Bulbs, 8, 37, 114 _Calamagrostis_--Small reed, 29, 40, 88, 89, 125, 138; _C. Epigeios_, 31, 70, 78, +103+, +159+; _C. lanceolata_, 31, 66, 103, +138+; _C. strigosa_, 103, 159; _C. stricta_, 31, 103, 159 Canary grass--_Phalaris canariensis_ Carpel, 97, 121 Caryopsis--the true fruit of the grass, _121_, _122_, 123, 124, 127, _128_, 132, +134+, 135 _Catabrosa_--Whorl-grass, 14, 21, 23, 29, 40, 63, 84, 88, 90, 91, 92, 104, 105, 118, 146; _C. aquatica_, _12_, 25, 31, 73, +112+, 142 Cat’s-tail grass--_Phleum_ Cat’s-tail type of inflorescence, 100 Cells, 65 Cereals, 1 Chaff, 85, 134