Fig. 305. Manisuris corrugata (Baldw.) Kuntze. (Bottboellia 

 corrugataBsildw. in Sill. Journ. 1: 355. 1819.) Tall Rat-tail- 

 grass. — A stout, erect perennial, 1 m. or more high, with flattened 

 culms and sheaths, subcylindrical, spike-like racemes, 6 to 8 cm. 

 long, terminating the branches from the upper joints of the cxilm. 

 Sessile spikelets, 5 to 6 mm. long, with transverse ridges and 

 irregular depressions on the hack of the first glume (6). — Swamps 

 and wet pine barrens, Fla. to Miss. Sept., Oct. 



