223 



Supplement to Root Nodule 

 Bacteria, 48 ; Green, Trees of 

 the South, 18; Hayward, The 

 Structure of Economic Plants, 

 125 ; Heiss, Osborn and Hoff- 

 man, Modern Methods and 

 Materials for Teaching Science, 

 173 ; Jones, Introduction to 

 Floral Mechanism, 172; Mc- 

 Minn, An Illustrated Manual of 

 California Shrubs, 46; Meyer 

 and Anderson, Plant Physiol- 

 ogy, 208; Pool, Basic Course in 

 Botany, 85 ; Preston, Rocky 

 Mountain Trees, 210 ; Quick, 

 Wild Flowers of Northern 

 States and Canada, 47; Rehder, 

 Manual of Cultivated Trees and 

 Shrubs, 170; Steere, Liverworts 

 of -Southern Michigan, 86; Stur- 

 tevant and Beadle, Introduction 

 to Genetics, 20 ; Waddington, 

 Introduction to Modern Genet- 

 ics, 21 



Botrychium dissectum, 215; lanceola- 

 tum, 215; matricariaefolium, 179, 

 215 ; multifidum, 216 ; obliquum, 

 131, 215; virginianum, 131 



Brachyelytrum erectum, 179 



Erassica alba, 71 ; nigra, 71 



Brenckle, J. F., 59 



Britton, Elizabeth Knight, 103 



Broadhurst, Dr. Jean, 208 



Bromus hordeaceus, 66; inermis, 82 



Brown, Dalton Milford, 136 



Brown, William H., 28, 60 



Bryopsis plumosa, 182, 189 



Buell, Helen Foot, Further Notes on 

 Communities of Blue-green Al- 

 gae, 32 



Burghart, Miss Clara, 27, 139 



Burkholder, Paul R., 6Z 



Burnham, Stewart H., 207 



Burt-Davey, Joseph, 218 



Buxbaumia aphylla, 176 



Cakile americana, 43 ; edentula, 71 ; 

 maritima, 43 



Calamagrostis canadensis, 66 ; epi- 



geios, 82 

 Calla palustris, 216 

 Callitriche palustris, 25 

 Caloplaca cinnabarina, 133 

 Calopogon pulchellus, 69 

 Caltha palustris, 103 

 Camp, Wendell H., 104 

 Campanula rapunculoides, 169 

 Camptosorus rhizophylla, 216 

 Cannabis sativa, di?) 

 Capsella bursa-pastoris, 71 

 Carduus nutans, 79, 84 

 Carabia, Sr. J. P., 60, 219 

 Carex albolutescens, 67; cephalo- 



phora, 179 ; complanata, 179 ; 



crinita, 67, 179; digitalis, 179; 



longirostris, 214; lurida, 67; 



muhlenbergii, 67 ; paucifiora, 216 ; 



rosea, 213; rostrata, 67; sco- 



paria, 179 ; silicea, 67, 129 ; 



virescens, 67 

 Carya alba, 179; glabra, 179; ovata, 



30 

 Castanea dentata, 84 

 Castellanos, Dr. Alberto, 27 

 Castilleja coccinea, 132, 214 

 Cebatha Carolina, 85 

 Celastrus orbiculata, 217; scandens, 



71, 218 

 Celtis crassifoHa, 25, 180 

 Cenchrus carolinianus, 66 ; tribu- 



loides, 82 

 Centaurea cyanus, 79 ; diffusa, 169 ; 



jacea, 79 ; maculosa, 169 ; nigra, 



79 

 Cephalanthus occidentalis, 77. 103 

 Ceramium rubrum, 194 

 Cerastium arvense, 70 ; vulgatum, 70 

 Cetraria islandica, 128; juniperina, 



216 ; oakesiana, 129, 133 

 Chamaecyparis obtusa. 52 

 Cheadle, Vernon I., 97 

 Chelone glabra, 77 

 Chenopodium album, 70 ; ambro- 



sioides, 70 ; rubrum, 70 

 Chimaphila, 217; maculata, 75 



