G33 



BIG MOUNTAIN BROMES (CALIFORNIA BROME, BIG 

 BROME, POLYANTHUS BROME) 1 



Bro'mus carina'tus, B. margina'tus, B. polyan'thus 



Bromus marginatus 



Outer flower bract (lemma) 

 soft-hairy on the back, ridged 

 (keeled) at the tip, with a ter- 

 minal beard (awn) Ke in. long 

 between 2 small teeth 



Flower head (panicle) open, 

 rather narrow, 4 to 8 in. long, 

 the branches erect or spreading 

 (not drooping) 



Individual flower groups (spike- 

 lets) flattened, 7- to 9-flowered, 

 about 1 to 1)2 in. long 



Leafsheath often soft-hairy 



Lowest (2) spikelet bracts 

 (glumes) rather broad, un- 

 equal; 1st glume 3- to 5-veined, 

 shorter and more pointed than 

 the 5- to 7 -nerved 2d glume 



Leaf blades flat, with few, 

 very fine hairs or smooth and 

 hairless 



Roots fibrous 



See following page for footnote. 



