Biological Papers. 105 



562. Carex umbellata Schk. Umbeled Carex. Dry soil, S. E. and S. 

 K.; 1-3 dm. April. (S) 



563. Carex filifolia Nult. Thread-leaf Carex. Dry soil, W. K.; 1-3 

 dm. May. (S) 



5fi4. Carex stenophylla Wahl. Rolled-leaf Carex. Dry soil, N. W. K.; 

 1-2 dm. June. (AS) 



565. Carex douglasii Boott. Light-green Carex. Dry soil, N. W. K.; 

 1-3 dm. June. (S) 



566. Carex conjuncta Boott. Soft Fox-sedge. Moist meadows, E. K.; 

 3-10 dm. (A) 



567. Carex stipata Muhl. Awl-fruit Fox-sedge. Wet meadows, E. K. ; 

 3-10 dm. May. (A) 



568. Carex crus-corvi Shuttleworth. Ravenfoot Fox-sedge. Swamps, 

 E. K.; 6-12 dm. May. (AS) 



569. Carex marcida Boott. Clustered Fox-sedge. Dry, chalky soil, 

 N. W. K.-; 3-6 dm. June. (S) 



570. Carex diandra Schrank. Small-top Fox-sedge. Wet meadows, 

 N. K. ; 4-7 dm. ; rare, apparently. May. (S) 



571. Carex gravida Bailey. Heavy-top Fox-sedge. Thickets, E. K. ; 

 5-10 dm.; occasional. May. (S) 



572. Carex vulpinoidea Mx. Fox-sedge Carex. Wet meadows, gen- 

 eral; 3-6 dm. June. (AS) 



573. Carex cephalophora Muhl. Oval-head Carex. Dry fields and hills, 

 S. E. K.; 3-6 dm. May. (A) 



574. Carex leavenworthii Dewey. Orbicular Carex. Meadows, S. E. 

 K., north and west to Topeka ; 2-5 dm.; frequent. May. (S) 



575. Carex muhlenbergii Schk. Ovoid Carex. Dry fields and sterile 

 hills, general; 3-7 dm. May. (AS) 



576. Carex interior Bailey. Inland Carex. Damp or wet soils, E. K. ; 

 2-5 dm. ; not common. June. (AS) 



577. Carex xerantica Bailey. Silver-scale Carex. Open prairies, N. 

 K. ; 3-6 dm. ; not common. July. (A) 



578. Carex tribuloides Wahl. Blunt Broom-sedge. Meadows, E. K., 

 west to Great Bend ; 3-10 dm. July. (S) 



579. Carex scoparia Schk. Pointed Broom-sedge. Moist soil, E. K., 

 west to Council Grove ; 2-6 dm. ; not common. July. (S) 



580. Carex straminea Willd. Straw-sedge. Dry fields, E. K. ; 3-7 

 dm.; not common. June. (AS) 



581. Carex mirabilis Dewey. Great Straw-sedge. Dry banks and rich 

 copses, E. K. ; 6-15 dm.; frequent in spots. (S) 



582. Carex festucacea Willd. Broad-wing Straw-sedge. Dry or moist 

 soil, 4-12 dm.; general; common. May. (AS) 



583. Carex bicknellii Britt. Smooth-wing Straw-sedge. Dry soil, E. 

 K.; 6-10 dm.; rather common. June. (AS) 



Order XVIII. JUNCALES. The Rushes. 

 Inflorescence compound or decompound, in umbelloid or corymbose, often 

 one-sided, panicles, in the axil of a leafy bract. Perianth hexaphyllous, 

 segments small, chaffy, or partly foliaceous; flowers are liliaceous in 

 structure, glumaceous in aspect and texture. 



