INDEX. 



727 



Callithamniom, 173 

 Calluna vulgaris, 616 

 Calyptrogen, 361 

 Cambium, 50, 52, 358,^363 

 Campanula rotundifolia, 442, 444, 



601, 711 



Campanulales, 697, 711 

 Cane swamp, 617 

 Canna, 445-449, 703 

 Capsella bursa-pastoris, 676, 706 

 Capsule, 453 



Carbohydrate, 71, 75, 80, 90 

 Carbon dioxide, 62-67, 110-113 

 Cardinal flower, 711 

 Cardinal temperature points, 468, 



469 



Carex, 607 

 Carex filiformis, 611 

 Carex laxi flora, 66 1 

 Carex lupulina, 660 

 Carpogonium, 172, 176 

 Caryophyllaceae, 705 



Caryopsis, 451 

 Cassia marilandica, 402 

 Cassiope, 395, 580 

 Cassiope tetragona, 610 

 Castalia odorata, 627, 705 

 Castor-oil plant, 707 

 Catarpa, 711 T 

 Catkin, 428 

 Catnip, 695 

 Cattail-flag, 702 

 Caulerpa, 628 

 Caulidium, 371 

 Cedar apples, 194 

 Cedar of Lebanon, 406 

 Cell, 3; artificial, 20 

 Cell sap, 3, 40 



Cerichrus macrocephalus, 590 

 Ceratopteris thalictroides, 296 

 Cereus, 560 

 Chaetophora, 151, 162 

 Chaetophoraceae, 162 

 Chaparral, 530, 531 

 Chara, 176, 625, 626 

 Charales, 176 



Chemical condition of soil, 473 

 Chemosynthetic assimilation, 109 

 Chenopodiales, 705 

 Chenopods, 563, 564, 705 

 Chestnut, 45 2 > 74 

 Chestnut trees, 534 

 Chicory family, 700, 711 

 Chlamydomonas, 159, 160 



Chlamydospores, 180 

 Chloral hydrate, 65, 87 

 Chlorophyceas, 158 

 Chlorophyll, 2, 67, 72 

 Chloroplast, 68, 69, 71 

 Christmas fern, 251-253 

 Chromoplast, 71 

 Chromosomes, 342-345 

 Chroococcaceae, 163 

 Chrysanthemum, 712 

 Chytridiales, 215 

 Cichoriaceae, 700, 711 

 Cichorium intybus, 711 

 Cladophora, 626, 627 

 Clavaria botrytes, 212 

 Clavariaceae, 210, 219 

 Claytonia virginica, 705 

 Cleistogamous, 435 

 Clematis virginiana, 462, 463, 674 



675, 706 



Climatic factors, 477 

 Climatic formations, 514-518 

 Climatic pressures, 510, 512 

 Clostridium pasteurianum, 93 

 Clover, 707 

 Club mosses, 284, 289 

 Cnicus pitcheri, 591 

 Coccogonales, 163 

 Cocklebur, 711 

 Cold wastes, 516 

 Coleochaetaceae, 162 

 Coleochaete, 153-156, 226, 626 

 Collenchyma, 356, 363 

 Comandra, 705 

 Compass plants, 409 

 Composites, 697, 712 

 Comptonia asplenifolia, 704 

 Cone fruit, 456 

 Confervoideae, 162 

 Coniferae, 316 



Conjugation, 137, 141, 160, 162, i7g 

 Convallariaceae, 703 

 Cooperia, 703 

 Cordyceps, 218 

 Coreopsis, 712 

 Corispermum hyssopifolium, 536. 



590 



Cork, 357, 363 

 Corm, 373 



Cornus stolonifera, 594 

 Cortex, 50 

 CorymV^ 427 

 Cotton-grass, 617 

 Cottonwood, 592 



