28 



FIRST BOOK OF GRASSES 



After the foregoing the spikelet and its parts will 

 be recognized in most of the genera of the group 

 having few to many-flow- 

 ered pediceled spikelets. 

 As stated in Lesson III 

 the florets in a single spike- 

 f 1 1 1 let may be of two kinds. 

 lilw The simplest spikelet of 

 ^-* this type is found in the 

 Floret of reed (Phragmites commu- 



Triodia m " g \ J n ^jg foe lowest 



flava. y 7 . 



floret is staminate or neu- Fig. 17. Lemma of 

 ter and its lemma is much longer Cottea ^vvovhoroides. 

 than in the other florets (Fig. 18, A). In the per- 

 fect floret (Fig. 18, B) it will be seen that the palea 

 is very much shorter than the lemma, that the 



Fig. 18. A, spikelet of Phragmites communis', B, floret. 



rachilla bears copious long soft hairs, and that in- 

 stead of disarticulating at its summit and remaining 



