Biological Papers. 103 



517. Eriophorum lineatus Bentham & Hooker. Reddish Wool-rush. 

 Swamps and wet meadows, E. K.; 3-10 dm.; common. June. (AS) 



518. Eriophorum cyperinus L. Wool-rush. Swamps and wet meadows, 

 E. K. ; 6-18 dm. high; not common. Aug. 



519. Eriophorum virginicum L. Virginia Wool-rush; "Cotton-grass." 

 Bogs, Finney county; 5-dm. ; abundant. June. (S) 



520. Fuirena simplex Vahl. Western Bog-sedge. Moist soil, C. K. ; 1-4 

 dm. high; common. June. (S) 



521. Hemicarpha micrantha Pax. (H. subsquarrosa Nees.) Single- 

 chaff Bog-sedge. Moist sandy soil, N. E. K.; 1 dm. or less; rare. July. (S) 



522. Hemicarpha aristulata (Gov.) Beardy Bog-sedge. Moist soil, E. 

 K.; about 1 dm. or less; frequent. July. (S) 



523. Hemicarpha drummondi Nees. Compact Bog-sedge. Damp sand, 

 S. E. K. ; 0.5 to 1.3 dm. high; not common. July. (A) 



524. Rynchospora corniculata Gray. Horned Beak-rush; Beak-sedge. 

 Swampy spots along rivers, general; 10-20 dm. tall; common. July. (ASU) 



525. Rynchospora macrostachya Torr. Great Beak-rush. Swampy 

 spots along Kansas and Arkansas rivers to southern Kansas; 10-25 dm. high; 

 not so common. July. (ASU) 



526. Rynchospora alba Vahl. White Beak-rush. Permanently wet 

 grounds, E. K.; 2-4 dm. high; not common. July. (ASU) 



527. Rynchospora glomerata Vahl. Clustered Beak-rush. Moist soils, 

 E. K.; 3-10 dm. high; frequent. July. (ASU) 



528. Rynchospora cymosa Elliott. Grass-like Beak-rush. Moist soils, 

 E. K. ; 3-5 dm. high; not common. June. 



529. Cladium mariscoides Torr. Twig-rush. Marshes, fresh or brack- 

 ish, E. K. ; 4-10 dm. ; common. July. (ASU) 



Family 36. Caricace^. Carex Family. 

 Flowers unisexual, monoecious or dioecious. Perianth of staminate 

 flowers none; stamens three, guarded by a small dorsal bract in lieu of a 

 perianth; filaments slender; anthers bisporangiate. Perianth of carpellate 

 flowers of two glumaceous bracts almost ventrally placed, closely united to 

 their summits, ventrally and remotely united to their summits dorsally, 

 thus forming a trigonous utricle called a ■perigynium, within which the 

 seed is perfected; dorsal bract missing. Inner whorl of perianth consists 

 merely of a few bristles or hairs, or is entirely wanting. 



530. Scleria triglomerata Michaux. Tall Nut-rush. Sandy meadows 

 and thickets, S. E. K. ; 4-9 dm. ; frequent. June. (AS) 



531. Scleria pauciflora Muhl. Papillose Nut-rush. Dry sandy soils, S. 

 E. K.; 2-5 dm.; frequent. June. (AS) 



532. Scleria kansana Fernald. Kansas Nut-rush. Sandy soil, Cherokee 

 county; achenes tuberculated. (A) 



535. Carex lupulina Muhl. Hop-sedge. Ditches, Wyandotte and La- 

 bette counties; 4-9 dm.; occasional. June. (A) 



534. Carex gigantea Rudge. Great Hop-sedge. Wet meadows, E. K., 

 local; 5-12 dm. July. 



535. Carex utriculata Boott. Bottle-sedge. Marshes, E. K. ; 6-10 dm. 

 June. (S) 



536. Carex monile Tuckerman. Necklace Carex. Wet meadows, E. K. .* 

 5-10 dm. June. (S) 



