86 



Botanical Section 



[PT I 



sheaths. Panicle large, loose, inclined to droop. Spikelets ovate- 

 lanceolate, 4-6 flowered. Glumes unequal, acute, three-nerved. 

 In most of its characters this plant more closely approaches the 

 Fescues than the Bromes. 



"Seeds." Outer palea about 7 mm. long, with five in- 

 distinct nerves, scabrid (slightly rough), its upper margins 



Fig. 79. Bromus giganteus, L. About T j nat. size. 



Fig. 80. "Seed" 

 of Bromus gi- 

 ganteus. - 5. 

 In the natural 

 state the awn 

 is not curved 

 back as shown 

 in the figure. 



membranous. The line terminal (or only slightly sub-terminal) 

 awn is serrulate (barbed), and longer than the palea itself 

 (12-20 mm.). The rachilla is rather Ion?, cylindrical, and rough 

 (Fig. 80.) 



B. madritensis, and B. maximus are rare species (p. 188). 



