DICTIONARY OF TECHNICAL WORDS. 



vii 



Cotyledon 



C REN ATE ... 



Culm 



CUNEATE ... 

 CUPULAR .., 



Cuspidate 

 Cyme 



Deciduous 

 Decussate 



Dehiscence 

 Dentate 



Diadelphous ... 

 Dialypetalous ... 

 Dichlamydeous... 



Digitate , 



DlCEClOCS 



Disk 



Distichous 



Drupe 

 Echinate 



Emarginate 

 Embryo 



The primary more or less modified leaf of the em- 

 bryo, contains much nutrient matter used during 

 germination. The number of cotyledons is one or 

 two, rarely more (in certain Coniferse). 



Edged with rounded teeth. 



A name sometimes given to the stems of Gramineas 



and other monocotyledonous plants. 

 Applied to the base of leaves, &c., in which the sides 



unite at an acute angle. 

 Cup-shaped. 



Ending in a rigid point. 



A definite inflorescence in which the flowers open 

 from the centre to the circumference. 



Organs which dry or decay and fall off. 



When one pair of opposite leaves, &c., is at right 



angles to the next pair above or below, they are 



said to be decussate. 

 Regular opening of a cavity so that the contents 

 may escape. 



Edged with sharp teeth. 



Stamens whose filaments are united in two distinct 

 clusters. 



Applied to a corolla formed of distinct, non- united 

 petals. 



When the perianth is double with a distinct calyx 

 and corolla. 



I^olioles, lobes or nerves radiating from one point. 

 When the male and female flowers of the same 



species are on different plants. 

 A circular enlargement of the receptacle generally 



glandular sometimes between the corolla and the 



stamens or on which the stamens are inserted. 

 Alternatively placed to right and left in the same 



plane. 

 A fleshy 1 -seeded fruit. 



When a surface is covered with sharp protuberances 



almost prickly. 

 A leaf indented at the apex or end of midrib. 

 Essential part of the seed formed of a miniature 



plant which germinates, developes and perpetuates 



the species. 



