74 



STAMENS AND PISTILS, 



Plate XXV 



!^^ 



General subject. Wbicb of these figures represent staoiinate forms — wbich 

 pistillate? Describe fig. 1, and define its parts. 'Whlcli of these essential— 

 which not? Fig. 3— define its parts. Which of these essential ? With respect 

 to Insertion, how are the Anthers at fig. 6— flg. 1— fig. 9— how at fig. 12 ? In 

 relation to the Pistil, how at fig. 11—9 ? Which fignre represents the anther 

 of the Barberry ? Of what kind Is It— how dehisce ? How is the dehiscence at 

 fig. 1— fig. 2 ? How is the Connective at fig. 4— from what plant ? What is re- 

 presented in fig. 7 ? Describe the process, What in fig. 8 ? Which of these 

 figures represents tho tube through the style— which pollen-grains — pollen* 

 masses ? What are the white dots at fig. 16 ? What does this figure illusti-ate ? 

 Tho external coat of fig. 10— what called— how invested? What transitions in 

 fig. 18— from what plant— and what do you know of similar facts? How are 

 the Anther-lobes at fig. 14— the pollen-masses at fig. 19 ? Singular habit of the 

 plant, fig. 20. What do figa. 15 and 21 represent ? 



