A MANUAL OF BOTANY 



85 



2. A single leaf, showing all its parts. 



3. Diagram of the inflorescence. 



4. Side and face views of a flower, natnral size or (m). 



5. Other details as may be called lor. 



Table of flowers. Make a table of all flowers obtainable 

 at time of study, using form here given. 



Name 



WUEKK 



GuowiN( 



Inflo- 



UE8CEN<-K 



Size 



Tpe, IK Any 



I 



2. The CoMrosnM:, on Ct)MrLKX Flowers 



General statement. A complete flower study is taken up 

 as a part of the work of the Study of Seed Plants, but it 

 is advisable for the student to become somewhat familiar 

 with the more characteristic flowers of the fall. V)j far the 

 larger majority of these flowers belong to a great family of 

 plants called the Compositae, Avhich is the largest of all the 

 plant families, containing some 15,000 species. 



What is called a flower really consists of many small 

 flowers of one or of two forms collected together in a head, 

 which is surrounded at its base by a number of small, usu- 

 ally green structures (bracts) forming an involucre. 



One of the two forms mentioned above is flat and elon- 

 gated, colored, often brightly, and narrowed at its base into 

 a white, or otherwise colored part, which usually bears 

 scales, bristles, or fine hairs above, and a single seed below. 

 This form of flower may compose the whole head, but more 

 generally it is arranged around the outside of the head in 

 fewer or larger numbers. From their position these flowers 



