DICLINOUS FLOWERS, CONTINUED 



165 



are dry- soil plants). ,They are 

 very common, and generally com- 

 prise a large bulk of "bog hay." 

 They blossom in early spring. 

 One of them is shown in Fig. 

 165. The stamens are at a, 

 for the anthers can be plainly 

 distinguished, and the pollen 

 discharges freely. A dense, 

 simple (that is, unbranched) 

 inflorescence, in which the in- 

 dividual flowers are sessile, or 

 very nearly so, and which 

 is more or less elongated, like 

 these flower -clusters in the 

 sedge, is known as a spike. 



185a. Spike is a generic or general 

 term. Catkin is a particular kind of spike. 

 If a spike-like inflorescence were shortened 

 to be about as broad as long, it would 

 be called a head, or eapitulum. 



186. The three spikes at 

 h h h, in Fig. 165, are pistil- 

 late. The two stigmas pro- 

 truding from under each scale 

 show the location of the flowers 

 (but the flowers of some sedges 

 have three stigmas). The il- 



Pig. 165. 

 Flowers of carex or sedge. 



