180 



Fig. 162. Trisetum interruptum Buckl. : Beal, Grasses N. Am., 

 2 : 37(3, under T. elongatum. Slender Oat-grass. — A Slender, 

 erect annual 2 to 5 dm. high, with rather short, soft leaves and 

 narrow, elongated panicles 4 to 10 cm. long. — Colorado to Texas. 

 Arizona, and southern California. March-May. 



