92 RECAPITULATION. 



4. Spathe, or sheath. Ex. Daffodil, Onion. 

 5 Glume, a husk. This is the calyx of the Oat, and many 

 Gra&ses. 



6. Volva, a wrapper. This at first covers the cap of the 

 Mushroom, and afterwards contracts and forms a ring around 

 its stipe. 



7. Calyptra, a hood. Ex. the Mosses. 



Corolla. 



The corolla is the delicate colored part of the flower. 

 When this part consists of only one piece, it is called mono- 

 petalous. 



Monopetalous corollas are of several kinds, viz. 



Campanulate, bell-shaped. Ex. Bell-flower. 



Funnel-shaped. Ex. Tobacco, Morning Glory. 



Wheel-shaped, rotate. Ex. Common Laurel. 



Labiate, lip-shaped. Ex. Sage, Lavender. 



Polypetalous corollas are of the following kinds, viz. 



Butterfly -shaped. The petals of this corolla are named the 

 standard, the wings, and the keel. Ex. the Pea, Bean. 



Cross-shaped, or cruciform. It consists of four petals. 

 Ex. Mustard, Cress. 



Nectary or Honey Cup. 



It does not always secrete the honey, and signifies any ap- 

 pendage to a flower which has no other name. 



INFLORESCENCE. 



This term signifies the mode of flowering. The kinds of 

 inflorescence are the following : 



1. Terminal flower. Ex. Peony, Pink. 



2. Umbel. Inflorescence like the sticks of an umbrella. 

 Plants of this kind are called umbelliferous. Ex. Cicuta, 

 Carrot, Dill. 



3. Verticillate, whorled. Ex. Motherwort, Mint. 



4. Itacemus, a cluster. Ex. Currant, Grape. 



5. Spike. Flowers arranged along a common peduncle. 

 Ex. Wheat, Barley, Hardback. 



6. Corymb. Ex. Yarrow, Aster. 



7. Fasciculus, a tuft, or bundle. Ex. Sweet William. 



8. Capitum, a head. Ex. Teasel, Clover. 



How is the calyx distinguished from the corolla ? What part of a plant 

 the nectary ? What is meant by inflorescence ? 



