SCHffiNTTS. BHTNCHOSPOEA. 389 



unequal 1. at the base. Glumes fuscous witli green keels. — 

 Formerly at Little Chelsea, Middlesex; ShaLford Common, 

 Surrey. Jersey. A. VIII. IX. E. 



2. Schcb'nus Linn. Bog-rush. 



1. /S. nig'ricans (L.) ; st. terete naked, spikelets 6 — 10 col- 

 lected into a terminal roundish head overtopped by the lower 

 bract, gl. rough at the keel.— ^. B. 1121. St. 40. 9.— Root 

 of strong black fibres. St. 8 — 12 in. high, clothed at the base 

 with blackish-brown smooth shining scales some of which ter- 

 minate in setaceous erect leaves which are shorter than the 

 stem. Bristles variable in number, short, rough, with upward 

 spines. Stigmas 3. Anth. ending in a point. Grl. dark brown 

 or black.— Turfy bogs. P. VI. E.S.I. 



Tribe II. Scirpea. 

 3. Cla'dittm Pat. Br. Sedge. 



I. C. Maris' cus (R. Br.) ; panicles lateral and terminal repeat- 

 edly compound, spikelets capitate, st. subterete leafy smooth, 1. 

 finely serrate on the margins and keel. — E. B. 950. — Creeping. 

 St. 3 — 4 feet high. L. very long, rigid, narrowed and trique- 

 trous towards the end. Fl. in each spikelet 1 — 3 ; but usually 

 only one nut is produced. — Bogs and fens, rare. P. VII. Com- 

 mon Sedge. E. S. I. 



4. Ehtnchos'poea VaU. 



1. M. al'ba (Vahl) ; spikelets in a compact corymb about as 

 long as the outer bracts, stam. 2, bristles with declining teeth, 

 base of the style vrithout teeth.— -E. B. 985. St. 40. 7.— Slightly 

 creeping. St. 6 — 12 in. high. L. narrowly linear, Spikelets 

 whitish. Bristles 9 — 12. Filaments slender. — p. sordida; 

 spikelets brownish, in small oval clusters, often overtopped by 

 the outer bracts.— Turfy bogs. P. VII. E. S. I. 



2. R. fus'ca (Sm.) ; spikelets in an oval head considerably 

 shorter than the outer bracts, stam. 3, bristles with ascending 

 teeth, base of the style with erect teeth. — B. B. 1575. St. 40. 

 6. — Creeping extensively. St. 6 — 8 in. high. L. nearly fili- 

 form. Spikelets broum. Bristles 6. Flaments dilated. — Bogs 

 rare. South-west of England. Ireland. P. VII. VIII. E. I. 



