BOTANICAL TERMS. 



;<.■) 



.(c) Gourd or Pcpo, a modilied U-'ny, liaviiiK a lianl 

 rind, as in Pumpkin, Stjuasli, etc. 



V (d) Pome, a fleshy pseudocarp, the product of a syii- 

 carpous pistil, in which the fleshy hiyer consists cliieHy 

 of an enlarged calyx-tube, as in Pear and Ai-i.ic (Fig. 

 19(5). 



^ (e) Aggregated Fruit, a clustered and colierent mass 

 of carpels, the product of a sin-le flower, as in liasj)- 

 berry (Fig. 197). 



^ (f) Multiple Fruit, a clustered and colierent mass of 

 carpels, each carpel being the product of a .separate 

 flower, as in Pine-apple. The cone of tlie Pine may 

 be regarded as a dry multiple fruit (Fig. 198). 



(g) Accessory Fruit, one in which the most con- 

 spicuous part is neither a part of the pistil nor com- 

 bined with it, as in Strawberry, where the conspicuous 

 part is only the enlarged and briglitly coloured receptacle, 

 the true fruit consisting of tlie acliencs whicli dot its 

 surface (Fig. 199), and in Sweet Brier, where the fleshy 

 outer part is a calyx-tube lined witli a hollow receptacle 

 which bears the true fruit (achenes) on its inner surface 

 (Fig. 200). 



TEE SEED. 



Definition. 



The seed is the mature ovule, and is specially characterized 

 by the presence of the embryo or j'oung plantlet. 



Parts. 



Integument : formed by the development of the coats of the 

 ovule, and consisting of an outer and an inner layer. 



(a) Testa, the outer layer (Fig. 206). 



(b) Tegmen, the inner layer (Fig. 20()). 



In connection with the integument note 



(1) The Funiculus, already defined when describing 

 the ovule. 



(2) The Hilum, or scar where the funiculus was 

 attached. 



(3) The Micropyle, a minute opening through tlie 

 integument. 



Also the following special appendages : 

 (1) Aril, an outgrowth of the funiculus or placenta, 

 forming a more or less fleshy covering outside the tn;e 

 integument of certain seeds, as in the Climbing Bitter- 

 Sweet and the White Water Lily (Fig. 201). 



V\k. I!n;. 



Fig. 197 



Flg. 198. 



V\K- 199. 



Aril 



Fig. 201. 



