82 PLANT STUDIES 



very common for them to branch, so that the flowers appear 

 in clusters, sometimes loose and spray-like, sometimes com- 

 pact (see Pigs. 75, 76, 77). For example, the common 



Fir.. 7C>. A flower clnBtcT from a walnut tree. — After Strasbiikger. 



dandelion "flower" is really a compact licad of flowers. 

 All of this branching has in view better arrangements for 

 pollination or for seed-distribution, or for both. 



The subject of pollination and seed-distribution will be 

 considered under the head of reproduction. 



