GLOSSARY 367 



Chalaza. the organic base of the nucellus, p. 113. 



Chalazogamic, where fertilisation is effected by the pollen-tube entering 



the chalaza instead of the micropyle of the ovule, p. 171. 

 Chemotropism, a peculiar attraction of organisms for certain chemical 



substances, p. 169. 



Choripetalous, same as Polypetalous, p. 63. 

 Ciliate, the same as Ciliated, p. 195. 

 Ciliated, with motile flagella. 

 Cincinnus, a scorpioid cyme, p. 35. 

 Cladode, a flattened and leaf -like branch, p. 38. 

 Claw, the stalk-like narrow base of some petals. 

 Cleistogamic, pollination occurring within the unopened flowers, which 



are of simpler construction than the ordinary flowers. 

 Cohesion, concrescence of organs of like kind, p. 61. 

 Collateral, side by side, p. 37. 



Comose, provided with a tuft of fine silky hairs, p. 205. 

 Concolor, of the scales of a catkin which are of one colour throughout, 



p. 205. 



Concrescence, growth together into a common whole, p. 38. 

 Condensation, vertical crowding owing to absence of internodes, p. 57. 

 Condensed, where the flowers are crowded and sub-sessile, p. 34. 

 Conduplicate, folded lengthwise, like the leaves of a book, p. 311. 

 Cone, the flower and infructescence of Gymnosperms. 

 Connate, joined by common growth, p. 275. 



Connective, the continuation of the filament up between the anther-lobes. 

 Conoid, cone-shaped, p. 207. 



Convolute, rolled up so that one half is entirely covered by the other. 

 Cordate, heart-shaped, p. 203. 

 Coriaceous, leathery, p. 256. 

 Corolla, the second or inner floral envelope. 

 Corona, an accessory appendage at the throat of some corollas. 

 Corpusculum, Robert Brown's name for the archegonium of the Conifers, 



p. 120. 



Cortex, the general covering of the shoot beneath the epidermis, p. 360. 

 Corymb, an indefinite inflorescence in which the lower pedicels are longest, 



bringing the flowers all to or near one level, p. 21. 

 Corymboid, like a corymb in shape, p. 22. 

 Cotyledons, seed-lobes, the first leaves of the seedling, p. 46. 

 Cover-scale, the scale of a catkin, &c., subtending a flower or flowers. 

 Creeping, growing along the surface of the ground, p. 205. 

 Crenate, cut into rounded teeth, p. 221. 

 Cross-fertilisation, where pollen from one flower is transferred to the 



stigma of another, p. 155. 

 Cruciate, with the petals arranged cross-wise. 



