260 



American Midland Naturalist Monograph No. 4 



Rothroc}(i (see A. tridentata var.) 



tridentata 232 



var. arbuscula 234 



var. nova 233 



var. Rothrocki 235 



var. trifida 234 



tripartita (see A. tridentata trifida) 



Ash 204 



black 24 



desert - 24 



fragrant, southwestern 205 



singleleaf 205 



two-petal 205 



white 24 



Aspen, bigtooth 21 



quaking 21 



Aster abatus 255 



Mohave 255 



tortifolius (see A. abatus) 



Atriplex - 76 



canescens 77 



confertifolia 77 



Gardneri 77 



Nutlalli (see A. Gardneri) 



Ayenia, dwarf 173 



pusilla 1 73 



Azalea 1 86 



Cascades 187 



western 186 



Baccharis 253 



Emory 254 



Emoryi 254 



glutinosa 253 



seepwillow 253 



sergiloides 255 



squaw 255 



Barberry family 70 



Bearberry 193 



Beardtongue 210 



Bearmat 1 00 



Bebbia juncea 237 



rush 237 



Bedstraw 2 1 3 



Berberidaceae 70 



Derberis (see Mahonia) 



Bernardia incana 150 



m^ricaefolia (see B. incana) 



southwest 1 50 



Betula 55 



fontinalis 56 



glandulosa 56 



lenta 23 



lutea 23 



papyrifera 22 



pumila var. glandulifera 57 



Betulaceae 55 



Bigelovia (see Chrysothamnus) 



Bigncniaceae 213 



Bigtree 21 



Bilberry, bog 200 



Birch 55 



bog 56 



family 55 



low 57 



mountam 56 



paper 22 



red 22 



sweet 23 



water 56 



yellow 23 



Bitterbrush, antelope 143 



Blackberry 101 



culleaf 104 



Himalayan 1 04 



trailing 103 



yankee 104 



Blackbrush 141 



Blackcap 105 



Bladdernut, family 157 



Sierra 157 



Blight, desert 75 



Blueberry 196 



Blueridge 199 



bog, western 200 



box 199 



Canada 199 



delicious 201 



dwarf 200 



lowbush -..199 



Boxelder, inland 160 



Bramble, arctic 103 



dwarf 103 



five-leaved 103 



hairy- fruited 103 



Brickellia 251 



atractyloides 253 



California 252 



californica 252 



desert 252 



desertorum 252 



Greenei 253 



longifolia 25 1 



longleaf 251 



Mohave 25 1 



mountain 253 



oblongifolia var. linifolia 251 



stiff-leaf 253 



Brittlebush J255 



smooth 255 



woolly 255 



Bryce Canyon National Park 14 



Buckbrush ceanothus 171 



Buckeye, California 24 



Buckthorn 161 



alder ...162 



