356 MONffiCIA TRIANDRIA. [OL. XXI. 



and May : grows in marshy places : not uncommon. Eng. Bot. vol. xiii. 

 pi. 914. Eng. Fl. vol. iv. p. 119. 1336. 



****** Barren flouers and fertile flowers in separate catkins. 

 Barren catkins two or more. 



53. C. aqndtilis. Straight-leaved Water Carex. Stigmas two ; 

 sheaths none ; catkins cylindrical, elongated, attenuated below, with 

 barren flowers at the extremity ; fruit inversely egg-shaped, with a short 



entire point. Straws from one to two feet high ; leaves long, straight, 



linear, not fibrous at the base. Perennial : flowers in July and August : 

 grows in boggy ground in the Clova mountains, Forfarshire. Eng. Bot. 

 Suppl. pi. 2758. Brit. Fl. 4th ed. p. 336. 1337. 



54. C. aciita. Slender-spiked Carex. Stigmas two ; sheaths none ; 

 catkins cylindrical, slender ; fruit elliptical, with an obtuse, undivided 



point. Straws two or three feet high, with rough angles : leaves broad, 



rough on the edges and keel. Perennial : flowers in May : grows about 

 ditches, pools, and rivers : common. Eng. Bot. vol. ix. pi. 580. Eng. 

 Fl. vol. iv. p. 119. 1338. 



55. C. paludosa. Lesser Common Carei. Sheaths none ; bracteas very 

 long, leafy; catkins cylindrical, erect, obtuse, the fertile ones with long- 

 pointed scales; fruit egg-shaped, three-cornered, compressed, with a 



notched beak. Straw two or three feet high, with rough corners : 



leaves broad, rough on the edges and keel. Perennial : flowers in May : 

 grows in marshes and about the edges of ditches, pools, and rivers : 

 common. Eng. Bot. vol. xii. pi. 807. Eng. Fl. vol. iv. p. 120. 1339. 



56. C. ripdria. Great Common Carex. Sheaths none ; bracteas very 

 long, leafy; catkins erect, cylindrical, with long-pointed scales; fruit 



egg-shaped, tumid, with a deeply cleft beak. Straw three or more feet 



high, erect, with very rough, sharp corners : leaves broad, erect, rough 

 on the keel and edges. Perennial : flowers in April and May : grows 

 at the edges of pools, ditches, and slow rivers. Eng. Bot. vol. ix. 

 pi. 579. Eng. Fl. vol. iv. p. 121. * 1340. 



57. C. Itrvigdta. Sheaths elongated, shorter than the flower-stalks ; 

 catkins cylindrical, fertile ones drooping; scales pointed ; fruit egg-shaped, 



three-cornered, with a cleft beak. Straws from two to four feet high, 



three-cornered. Perennial: flowers in June: grows in marshy places: 

 frequent. Eng. Bot. vol. xx. pi. 1387. Eng. Fl. vol. iv. p. 122. 1341. 



58. C.vesicdria. Large-fruited Bladder Carex. Sheaths none ; fertile 

 catkins cylindrical, short, abrupt, on short stalks ; scales lance-shaped, 



acute; fruit inversely egg-shaped, inflated, with a long cleft point. 



Straw two feet high, erect, with very sharp rough corners. Perennial : 

 flowers in May : grows in marshes and wet meadows : frequent. Eng. 

 Bot. vol. xi. pi. 779. Eng. Fl. vol. iv. p. 123. 1342. 



59. C. ampulldcea. Small-fruited Bladder Carer. Sheaths none ; fer- 

 tile catkins cylindrical, elongated, nearly sessile ; scales lance-shaped, 



acute ; fruit globular, inflated, with a slender cleft beak. Straw from 



one to two feet high, with obtuse corners, rough at the top. Perennial : 

 flowers in May : grows in bogs and marshes : common. Eng. Bot. vol. 

 xi. pi. 780. Eng. Fl. vol. iv. p. 124. 1343. 



60. C. hirta. Huiry Carex. Hairy ; sheaths elongated, nearly as 

 long as the flower-stalks; fertile catkins short, cylindrical, distant; scales 



