Buds, terminal, 24 



supernumerary, 24 



whorled, 25 

 Buffalo bur, 561 



currant, 319 

 Bulbs, 32, 229 

 BuUaces, 400 

 Bulletin Smyrnas, 275 

 Bundle scar, 26 

 Bupleurum, 530 



Cabbage, 328 



common, 331 



key to cultivated types of, 329 

 types of common head, 332 



lettuce, 633 

 Calamondin orange, 487 

 Calendula, 625 

 Callirrhoe, 508 

 Calyx, 48 

 Cambium, 36 



ring, 38 

 Camelina, 326 

 Campanulacex, 600 

 Canada blueberry, 66, 546 



crookneck squash, 615 



potato, 639 



rice, 206 



thistle, 21, 28 

 Canadian field pea, 420 

 Cane sugar, production of, 228 

 Cannabis, 252 



indica, 281 



sativa, 276 

 Cantaloupe, 618 

 Caper family, 326 

 Capparidaceae, 326 

 Caprification, 273 

 Caprifig, 269, 272, 276 

 Capsaican, 595 

 Capsella, 326 

 Capsicum, 560, 595 



annuum, 592 

 42 



INDEX 657 



Capsicum, annuum, abbreviatum, 593 



acuminatum, 595 



cerasiforme, 595 



conoides, 595 



fasciculatum, 595 



frutescens, S9S 



grossum, 595 



longum, S9S 

 Capsule, 58 

 Caraway, 533 

 Carbohydrate synthesis, 46 

 Carduus, 625, 628 

 Carina, 415 

 Carolina rice, 206 

 Carpophore, 532 

 Carrot, 533 



family, 530 

 Carum, 533 

 Caryopsis, 83 

 Catawba grape, 501 

 Catjang, 458 

 Cat-tail millet, 213 

 Cauliflower, 330, 334 

 Cavity, 378 

 Cayenne pepper, 595 

 Celeriac, 540 

 Celery, 540 

 Cell, 4 



as unit of structure, s 



of plant activity, 5 

 Cell sap, 6 



wall, 6, 8 

 Celluloid, 526 

 Central cylinder, 17 

 Cercocarpus, 348 

 Cereals, 87 



key to groups (genera) of, 87 



small-grain seedlings of, 88 

 Chaetochloa, 88, 210, 211 

 italica, 211, 216, 218 

 key to principal types of, 218 

 maximum, 218 

 mobarium, 219 



