1 70 HEX ANDRI A, MONOGYNIA. 



tenuis. 2. J. stem leafy, simple, terete ; leaves channelled ; 

 corymb terminal, dichotomous, shorter than the 

 bracteas ; capsule oblong, obtuse, shorter than 

 the petals. — Pers. 



J. tenuis, Rostk. junc. 21. t. 1. f. 3. (Pursh.) 



J. bicornis, Mich. & Pursh. 



Slender Rush. 



In wet fields and meadows, and on the margins of plashes, 

 common. Perennial. July. 



bufomus. 3. J. stem dichotomous; leaves angled; flowers 

 solitary, sessile. — Sp. PL 



Icon. Fl. Dan. 1098. Engl. Bot. 802. 



A small species. In wet grassy places. Rare. Perennial. July. 



congiomera- 4. J. stem naked, upright, panicle lateral-conglo- 

 bate; capsule retuse, flowers triandrous. — Smith. 

 Icon. Host. gram. 3. t. 88. Leers, fl. herb. t. 

 13. f. 1. (Pursh.) 



Resembles No. 1, but easily distinguished from it by the 

 conglobate panicle. In the fens of Jersey, near Woodbury; 

 rare. Perennial. June, July. 



eciiinatus. 5. J. heads few, globose, large, nearly sessile, 

 many-flowered ; interior leaves of the calix 

 smallest; leaves terete, with knot-like joints. — 

 Elliot. 

 J. echinatus, Muhl. 

 J. polycephalos, Mich. 

 J. polycephalos, /3 tenuifolius, Pursh. 

 Icon. Pluk. aim. t. 92. f. 9. 



Rough-headed Rush. 



Grow9 in moist soils, and in low meadows. Not unfrequent 

 Perennial. June. 



campestris. Q t j. leaves flat, hairy ; spikes pedunculated-ovate, 

 half-drooping, intermediate sessile, calicine fo- 



