202 



Elementary Botany 



COL 



Coltsfoot^ 171 

 Columbine, 158 

 Com/rey, 176 



Complete flowers. Those flowers which 

 possess all four of the floral whorls, 

 100, 154 

 Composite, 155, 170 

 Composition of air, 86 

 Compound flowers, 155 ; leaves, 76, 80 

 Conduplicate (Lat. conduplico^ to 

 double). When in the leaf bud the 

 two edges of the leaf are doubled 

 over, leaving the midrib in the centre, 

 64 

 Cone (Lat. conus). A unisexual spike 



with woody bracts, 96 

 Conical root, 32 

 Cotiizim, 168 



Connate (Lat. con, together ; nascor, 

 natjis, to grow). When the bases of 

 opposite leaves are united so that they 

 appear to be one, 84 

 Connective (Lat. con, together ; 7iecto, 

 to bind). The portion of the filament 

 which unites the anther lobes, 116 

 Convallaria, 183 

 ConvallarieeB, a group of the Liliaceae, 



183 

 Convolute (Lat. convoluiiis, rolled up). 

 When in the leaf bud the two edges of 

 the leaf are rolled the one over the 

 other, 65 

 Copaiba, 164 

 Copaly 164 

 Coriander, 168 



Cork cambium {see Cambium). The 

 formative tissue below the cork cells, 

 43) 48 

 Cork cells. The outermost cells of the 



bark, 42, 48 

 Corm (Gr. konnos, a stem or trunk). An 

 underground stem resembling a bulb 

 but more solid, 58 

 Corn Cockle, 161 



Corolla (Lat. a small wreath). The 

 second of the floral envelopes, 100, 

 X06 

 Corolliflors. A group of dicotyledonous 

 plants with gamopetalous corollas, 148, 

 154, 170 

 Corona (^Lat. a crown). ^ An extra organ 

 sometimes present within the corolla 

 of flowers, no 

 Corpuscula (Lat. corpusculuin, a little 

 body). Certain cells produced within 

 the embryo-sac of conifers, 129 

 Cortex (Lat. bark), 42 

 Corylus, 178, 179 



Corymb (Gr. korumbos, a cluster of 

 fruit or flowers). An indefinite in- 

 florescence where the flowers form a 

 flat-topped head, 96, 07 

 Cotyledons (Gr, kotmedon, a hollow 

 vessel). The lobes within the embryo 

 of the seed, 4, 5, z6, 153 

 Cow Parsnip, 167, 169 

 Cow Wheat, 175 

 Crambe, 160 



DEF 



Craimgus, 166 



Cremocarp (Gr. kretnnao, to hang down ; 

 karpbs, a fruit). A fruit which breaks 

 up into two halves hanging upon a 

 central stalk, 139, 167 



Cress, 160, germination of, 27 



Crithmumj 168 



Cross fertilisation. The arrangement by 

 which the pollen of one flower fertilises 

 the ovule of another, 130 



Crowfoot, 159 



Cruciferee, 154, 159 



Cruciform (Lat. crux, a cross ; forma, 

 a shape). Cross-shaped. Applied to 

 the corolla when the petals are ar- 

 ranged in the form of a Maltese cross, 

 109, 154, 159 



Cryptogams ^Gr. kruptos, hidden ; 

 gamos, marriage). Flowerless plants, 3 



Crystalloids (Gr. krustallos, ice ; eidos, 

 form). Nitrogenous materials in many 

 cells presenting a crystalline appear- 

 ance, 13 



Crystals, 13 



Culm (Lat. culmtts, a stalk). The 

 hollow jointed stem of grasses, 54, 186 



Cummin, 170 



Cupule (Lat. ciipnla, a little cup). A 

 peculiar growth of bracts forming a 

 cup around the fruit, 141, 179 



CupuUferm (Lat. cupula, a little cup ; 

 fero, I bear). A group of the Amen- 

 taceffi, 179 



Cuticle (Lat. cuticula, the skin). The 

 outer_ structureless layer of plants, 

 especially of leaves, 72 



Cyclamen.^ 176 



Cydonia, 167 



Cyme (Gr. kuma, a, wave). Deflnite 

 inflorescence, 97 



Cynara, 172 



Cynarrhodum (Gr. knon, krtftos, a Aog 

 rhodon, a rose). The fruit of the rose. 

 An assemblage of achenes within a 

 hollow receptacle, 142, 165 



Cyperaceee, 155, 185, 189 



T~\AISY, 109, 170, 171 

 "^"^ Dandelion, 93, log, 170, 172 

 Date, germination of, 28 

 Daucus, 169 



Dead Nettle, 99, log, 115, 154, 172, 173 

 Deciduous (Lat. de, off ; cado, to fall). 



Falling off, especially applied to parts 



of the flower, leaves, etc., which fall 



early, 104 

 Decurrent (Lat. de, down ; cnrro, to 



run). Leaves with base running along 



the stem, 85 

 Decussate (Lat. dectissis, the intersection 



of two lines crosswise). When two 



pairs of opposite leaves are arranged 



at right angles, 84 

 Definite inflorescence. Inflorescence 



where the oldest flowers are above or 



in the centre, 94, 97 

 Definition of botany, i ; of plant, i 



