INDEX 



421 



embryology of, 350-52 (fig.) ; 

 female cones of, 336 (fig.), 337 

 (fig-). 345-7 (figs.), 352 (fig.) ; 

 fertilisation of, 349, 350, 353 ; 

 habit of, 334-6 (figs.) ; leaf 

 of. 161, 335-7, 341-4 (figs.) ; 

 male cones of, 336 (fig.), 

 344-6 (figs.), 347 (fig") ; 

 ovules of. 333. 348, 349 

 (fig.) ; pollen sacs (micro- 

 sporangia) of. 345, 347 (fig.) ; 

 pollination of, 348 ; root of, 

 70, 341 ; seedlings of, 337, 

 338 (fig.) : seeds of, 351, 352 

 (fig.); stem of, 117, 335, 338- 

 41 (figs.) ; wood of, 37 (fig.), 



127, 340. 341 (fig). 

 Confine, 61. 

 Conium maculahtm, 61. 

 ConjugataE) 208 ; reproduction of, 



216, 226-8 (fig.) ; structure 



of, 208-10 (fig.). 

 Conjugation, 226, 227 (fig.), 237 



(fig.). 

 Connective, 359 (fig.), 360 (fig.), 



362. 

 Contractile vacuoles, 181, 182 (fig.), 



187 (fig), 193, 213. 

 Conversion of sewage, 265. 

 Convolvulus sepium, 153. 

 Copper Beech, 382. 

 Copra, 49. 

 Copyinits, 245. 

 Coral-Fungus (Clavaria), 250, 251 



(fig.). 

 Coral reefs and Alga;, 204. 

 Coral-spot disease (Nectna), 253. 

 Corallina, 204, 205 (fig.). 

 Corchorus, 34. 

 Cordaitales, 407. 

 Cordyceps, 239, 255. 

 Cork, 135-42 (figs.) ; and leaf-fall, 



141, 142 (fig.) ; and wounds, 



'' 142 ; commercial sources of, 



"' 140 ; formation of, 131 (fig.). 



£3 T35-8 (figs.) ; functions of, 



137. 138 ; properties of, 137. 



138. 

 Cork-cambium (phellogen), 135-42 



(figs.) ; and aerenchyma, 175 ; 



of Conifers, 338, 339 (fig.). 

 Cork Elm, 141 ; — Maple, 141 ; — 



Oak (Qtierciis suber), 140. 

 Cork- wings, 141. 

 Corms, 355. 

 Corn Cockle [Agrostenima gHhago). 



no, 370. 

 Cornus sanguinea. galls of , 143 (fig.). 



of aquatics, 



(fig.), 175 ; 



of pulvinus. 



et scq., 295 



43. 76 et 



171 

 of 



115; 

 of 



seq., 



Corolla, 354, 373. 

 Cortex, 65, 76 ; 



(fig.). 173 

 petiole, 114; 

 of root, 65 

 stem, 1 9, 30 



134. 338. 

 Cortical bundles, 86. 

 Cosmarinm, 209 (fig.), 210 ; C. 



meneghini, 2og (fig.). 

 Cotton, 103 ; — plant (Gossvpiiiin 



spp.), 102, 103. 

 Cotton-grass (Eriophorum), 178. 

 Cotton-seed oil, 49. 

 Cotyledons, digestive action of, 



150 ; food-reserves of, 40, 41, 



44, 50 ; of Angiosperms, 355. 



369 (fig.), 370. 371 (fig.) ; oi 



Conifers, 338 (fig.), 350, 351 

 (fig). 352 (fig.) ; of Cycads, 

 326 ; structural features of, 30, 



153. 

 Covering hairs, 102 (fig.). 

 Cow-wheat (Melampyrum). 179. 

 Crassulaces, 178. 

 Creeping Buttercup {Rainiiwiilus 



repens), root-structure of, 66-9 



(figs.). 

 Crenoihrix, 268. 

 Cress (Lepidimn) , 48 ; " damping 



off" disease of, 235 (fig.). 

 Crocus, 364 ; C. sativus, 64. 

 Crops, fungal diseases of, 230, 



234. 235 (fig). 241 (fig.), 



(fig.). 245, 246 (fig.), 247, 



252-4. 

 Crossing (hybridisation), 382- 

 Crowberry (Empetrum nigrum) 



of, 163 (fig.). 

 Cruciferae, 48, 63, 69, 103, 104, 

 Cryptogamia, 355, 406. 

 Cryptomeria, 347, 

 Crystal-sand, 58. 

 Crystalloid, 50, 51 (fig.). 

 Crystals of, inulin, 44, 



osazones, 47 (fig.) ; 



lime, 58, 59 (fig 



pigments, 64. 

 Cuckoo- pint (Arum niaciilnlum), 112. 

 Cucumber- family (Cucurbitaccje), 



81 ; — mildew (Erysiphe poly- 



goi'i), 243. 

 Ciicitrbita, hairs of, I02 (fig.) ; 



phloem of, 29 (fig.), 82, 130 ; 



stem-structure of, 80-83 (figs), 



87 ; tyloses of, 127 (fig.) ; 



vessels of, 35 (fig.), 83. 

 Cucurbita pepo, pollen of, 362 (fig.). 



231, 

 243 



9. 

 leaf 



231. 



45 (ng.) ; 

 o.xalate of 



:■), 130, 237; 



