THE TRIBES AND THEIR GENERA. 



53 



Molinia carulea. 



Floret. For Spikelet see p. 115. 



Molinia. Panicle branches in a 

 spiral. Spikelets alike, small, conical. 

 Florets two, three, or four. Rachilla 

 articulated. Glumes unequal, with- 

 out lateral ribs, pointed. Outer palea 

 with three nerves, awnless. Inner 

 palea small with a bristle at its base. 

 Paleae indurated on seed. Stamens 

 three. Stigmas plumose, protruding 

 from sides of outer palea. 



Species. M. carulea, 95. 



Koeleria. Panicle spike-like, 

 branches distichous. Spikelets alike, 

 compressed. Florets two to five, shin- 

 ing. Glumes unequal, inner glume 

 with two or three ribs. Outer palea 

 entire, keeled, pointed or with a 

 straight sub-terminal bristle, thrcc- 

 nerved. Stamens three. Stigmas plu- 

 mose, protruding from sides of outer 

 palea. 



Species. K. cristata, 99. 



Koeleria cristata. 

 Floret. For Spikelet see p. 107. 



Catabrosa aquatic a. 

 Floret. For Spikelet see p. 91. 



Catabrosa. Panicle diffuse, bran- 

 ches long and slender. Spikelets all 

 similar, small. Florets two, rounded 

 on back, distant. Glumes broad, 

 short, blunt at the apex or indented, 

 unequal, awnless. Outer glume with 

 one vein ; inner with two short lateral 

 veins. Outer palea membranous, with 

 three veins ending in teeth. Stamens 

 three. Stigmas plumose, protruding 

 from sides of outer palea. 

 Species. C. aquatica, 94. 



