6 4 



THE TRIBES AND THEIR GENERA. 



Hierochloe. Panicle more or less spreading. Spikelets 

 glossy. Florets three, uppermost perfect, others male only. 

 Glumes four, nearly equal. Outer glumes ovate, acute, keeled ; 



inner ovate ; all membranous, 

 awnless or with short awns. 

 Stamens three in the male florets, 

 two only in the perfect floret ; 

 anthers linear, pendulous, notched 

 at both ends. Ovary present only 

 in uppermost floret, small ovate. 

 Styles near together. Stigmas 

 long, linear, downy. Grain ovate, 

 pointed, small, not adherent to 

 outer palea. 



Hieroenloe borealis. 

 Floret. For Spikelet see p. 102. 



Species. H. borealis, 



