Fig. 30"). Manisuris corrugata (Raldw.) Knntze. {Ixoflhoiirta 

 vorrugutd IJaldw. in Sill, .louru. 1: 355. 181H.) Tall Kat-tail- 

 GRASS.^ A stout, erect perennial, 1 iii. or more liigli, with tlattenod 

 culms and Hlieatlis, subcylindrical, spike-liko racemes, 6 to 8 em. 

 long, terminating the branches from the npj)er joints of the cnhn. 

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

 irregnlar de])res8ions on the back of the first glume (h). Swamps 

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



