A MANUAL OF BOTANY 57 



a habitat peculiar to itself. Find them where they grow if 

 possible. 



The plant. Examine the entire plant, observing the roots, 

 leaves, general habit of the stem, and the arrangement of 

 the flowers, singly or in clusters (inflorescence). The ar- 

 rangement may be solitary, in racemes, corymbs, panicles, 

 umbels, not easily explained by word alone, but plainly un- 

 derstood by diagram and actual specimens. Determine for 

 the plant at hand what the inflorescence may be, after con- 

 sulting diagrams made by the instructor. 



Flower. Study the flower. There is but one whorl of 

 leaf like colored parts or sepals, the petals being absent. 

 Determine their color and number. Examine the stamens. 

 How many are there and how are. they arranged? Study 

 the central pistils. How many are there ? Observe that all 

 the parts named are borne directly upon the receptacle. 

 Are the ovaries superior or inferior? 



Draw a portion of the plant with leaves and flowers; also 

 make a plan of the flower. 



Description. Describe carefully, and do the same for each 

 flower hereafter studied when such description is called for. 

 In flowers without petals, having a well-developed calyx, 

 this circle is usually colored like a corolla. What explanar 

 tion can you give ? 



Crowfoot family, value. The Crowfoot family contains 

 many showy or favorite garden flowers, as columbines, 

 anemones, peonies, larkspurs, monkshoods, clematis, Christ- 

 mas rose, and others, and some very valuable medicinal 

 plants, as aconite (monkshood), larkspur, hydrastis, actaea, 

 etc. 



7. POLYPETALOUS (CHORIPETALOUS) FlOWERS OF THE 



Crowfoot Family 

 Where found. Polypetalous types of the Crowfoot family 

 such as ImttPrcups may always be obtained in quantity for 



