TRIANDRIA MONOG\NlA. 59 



semineglabroj setulisse- I crowded; seed glabrous; 

 tdceis. E. 1 bristles setaceous. 



'*\ 



Stem 1 — 3 feet hii;h, nearly round. Leaves linear, acute, glabrous, 

 concave, not channelled Panicles axillary and tennumi, reuiote. 

 ro/ya? generally 6 leaved, the interior lon^er;'5t!i ovate lanceolate, mu- 

 cronate, of a dark ferruginous colour; the Gt!i shorter than the 5th, 

 vhite, nieinbranaceous, containin^^a sterile and fertile flo\\er;t!'e ste- 

 rile floret enclosed in a small sheath of its own. Seed compressed, 

 lenticular, oval, margined, smooth, crowned with a short compressed 



conic tubercle; bristles 6, setaceous, one third shorter than the ra,ature 

 seed. 



Grows in bogs, ditches 8cc, 

 Flowers through the whole summer. 



5. LON 



R, cuhrio triquetro ; I Stem 3 angled ; pani- 

 paniculis subcorymbosis ; | cles like corymbs; seed 

 semine obovato, margi- | obovate, margined, point- 

 nato, stylo persistente | ed with the long persis 

 I« ngo mucronato; setu- tent style; bristles sca- 

 lis scabris. E. | brous. 



R. laxa. Vahl. 2. p. 231. 



Schceniis corniculatus, La Marck, illust 1. p. 132. 



Sclioenus longirostris, Mich. 1. p. 35. 



Schcenus Umbellatus } Walt. p. 70. 



Stem erect, smooth, 3—6 feet high. Leaves linear-lanceolate, irre. 

 gularlj serrulate, channelled, glabrous, 1—2^ feet long, 6—8 line* 

 wide ; sheath at base closed, shorter t'lan the joints. Flou^ersin race- 

 nies supradecom pound, axillary and terminal, resembling umbels. 

 talux with tlie 6th or interior leaf inclosing a germ ; between tlie 5tli 

 and 6th leaf are found 2 or 3 sterile florets, each embraced by a small 

 Janceidate membrane. Seed obovate, compressed, margined, nearly 

 smooth, crowned with a persistent stvle three times its own ien>'thr 

 Dnstles scabrous, one tliird shorter than t'le seed. * 



Grows in ditches, ricefieids and wet uiaces. 



Flowers Julv — October. 



6. DlSTANS. 



R. cuhno triquetro ; | Stem 3 angled; flow- 

 floribiis in fasciculis dis- | ers in distant cinhters - 



taniibus; semine lenticu- | seed lenticular, bWghlly 



