88 MORPHOLOGICAL BOTANY. 



The radicle is the lower end of the oauliole. 



The cotyledon is the leaf of an. embryo. 



The plumule is the upper end of the oauliole. 



The albumen is any nutritive substance in the kernel of a seed. 



The monocotyledonous seed is one whose embryo has but one cotyledon. 



The dicotyledonous seed is one whose embryo has two cotyledons. 



The polycotyledonous seed is one whose embryo has more than two 

 cotyledons. 



The petalous flower is one which has the corolla. 



The apetalous flower is one which wants the corolla. 



The dialypetalous flower is one whose corolla is dialypetalous. 



The gamopetalous flower is one whose corolla is gamopetalous. 



The free dialypetalous flower is one whose corolla is not united with its 

 calyx. 



The adherent dialypetalous flower is one whose corolla is more or less 

 united with its calyx. 



The free dialypetalous flower is said to be regular when its floral en- 

 velopes are regular. 



The free dialypetalous flower is said to be irregular -when its floral en- 

 velopes are irregular. 



The adherent dialypetalous flower is said to be regular when its floral 

 envelopes are irregular. 



The adherent dialypetalous flower is said to be irregular when its floral 

 envelopes are irregular. 



The epigynous gamopetalous flower is one whose calyx-tube is adherent to 

 the ovary. 



The hypogynous gamopetalous flower is one whose calyx is free from the 

 ovary. 



The epigynous gamopetalous flower is said to be regular when its 

 floral envelopes are regular. 



The epigynous gamopetalous flower is said to be irregular when its 

 floral envelopes are irregular. 



The hypogynous gamopetalous flower is said to be regular when its 

 floral envelopes are regular. 



The hypogynous gamopetalous flower is said to be irregular when its 

 floral envelopes are irregular. 



The monochlamydeous flower is an apetalous one which has the calyx. 



The achlamydeous flower is an apetalous one which wants the calyx. 



The bisexual flower is one which has both the androecium and the 

 gyncecium. 



