DESCRIPTIVE NOMENCLATURE. 273 



PAGE 



extremity of the flower-stalk, in prepara- 

 tion for the support of the expanding 

 flower 75. 2 49 



II. The Involucrum. — Any kind of wrapping 



or propping condition of leafage at the 

 base of a flower may properly come under 

 this head ; but the manner of prop or 

 protection differs in different kinds, and I 

 will not at present give generic names to 

 these peculiar forms. 



III. THE Calyx (The Hiding-place). — The 



outer whorl of leaves, under the protection 

 of which the real flower is brought to 

 maturity. Its separate leaves are called 

 Sepals 90 



IV. The COROLLA (The Cup). —The inner 



whorl of leaves, forming the flower itself. 



Its separate leaves are called PETALS . . 80 



V. The Treasury. — The part of the flower 



that contains its seeds. 



VI. The Pillar. — The part of the flower 



above its treasury, by which the power 

 of the pollen is carried down to the seeds 88 

 It consists usually of two parts — the SHAFT 



and Volute 88 



