INDEX AND PICTURED-GLOSSARY 



Aegilops 85 



cylindrica 85 



triuncialis 85 

 Agropyron 87 



cristatum 88 



desertorum 88 



pauciflorum 89 



repens 88 



smithii 87 



spicatum 89 



subsecundum 89 



trachycaulum 89 

 Agrostideae 11, 19, 21, 102 

 Agrostis 1 1 6 



alba 117 



exarata 1 1 8 



humilis 1 17 



hyemalis 1 1 8 



oregonensis 1 19 



palustris 1 16 



perennans 1 19 



scabra 1 18 



tenuis 1 16 



variabilis 1 1 7 

 Aira 97 



caryophyllea 97 

 Alkali cordgrass 136 

 Alkali grass 58 

 Alkali sacaton 128 

 Alopecurus 103 



aequalis 104 



pratensis 103 

 Alpine timothy 1 12 

 American beachgrass 112 

 Ammophila 1 1 2 



breviligulata 112 

 Amphicorpum 164 



muhlenbergianum 164 



purshii 164 

 Andropogon 180 



barbinodis 182 



furcatus 181 



gerardi 181 



glomeratus 181 



hallii 181 



perforatus 182 



provincialis 181 



saccharoides 182 



scoparius 180 



virginicus 181 

 Andropogoneae 12, 20, 21, 



176 

 Annual bluegrass 82 

 Annual ryegrass 86 

 Anthoxanthum 145 



odoratum 145 

 APEX: the tip of a leaf. 4 



Fig. 356 



Aristida 26, 106 



basiramea 106 

 var. curtissii 106 



dichotoma 106 



fendleriana 107 



longiseta 107 



oligantha 107 

 Arizona fescue 73, 74 

 Arrhenatherum 22, 96 



eiatius 22, 96 

 Arundinaria 15 



gigantea 15 



tecta 15 

 Arundo 24 



donax 24 

 Astoria bent 1 16 

 AURICLES: small pointed or 



rounded projections at the 



base of the blade, 4. 



Fig. 357 



Figure 357 



Avena 99 

 fatua 99 

 sotiva 99 



Aveneae 10, 22, 95 



AWN : a protruding midrib of 

 a glume or lemma, form- 

 ing a beard or bristle. Lat- 

 eral nerves rarely produce 

 awns. 6. Fig. 358 



Figure 358 



Figure 356 



Axonopus 159 

 offinis 159 



B 



Bambuseae 10, 15 

 Barley 90 



Barnyord grass 156 



Beckmannia 135 

 syzigachne 135 



Bermuda grass 135 



B»g bluestem 181 



Big galleta 130 



Black grama 142 



BLADE: the elongated 

 spreading portion of a 

 grass leaf. 4 Fig. 359 



Figure 359 



Blepharoneuron 126 



tricholepis 1 26 

 Blowout grass 28 

 Eluebunch fescue 74 

 Bluebunch wheatgrass S9 

 Blue grama 131, 143 

 Bluejoint 114 

 Bottlebrush 91 

 Bouteloua 141 



barbata 143 



curtipendula 141 



eriopoda 142 



gracilis 131, 143 



hirsuta 142 

 Brachiaria 157 



ciliatissima 157 



ex*ensa 1 57 



platyphylla 157 

 Brachyelytrum 1 19 



erectum 1 1 9 



var. septentrionale 119 

 BRACT: a modified leaf. 



Glumes, lemmas, prophylls, 



and paleas are bracts. 5 



Fig. 360 



C_i^^^>— 



Figure 360 



Bristly foxtail 



Brizo 45 

 media 45 

 minor 45 



15' 



186 



