450 97. 



and a point between them, nut obovate trigonous smooth. 

 E. B. 542. St. 13. 3. E. viii. 310, 311. Creeping, sometimes 

 tuberous. St. 1 3 feet high, leafy. Spikes large, sometimes 

 solitary. Stigmas 3, or rarely 2. [#. conglobatus (S. F. Gray) ; 

 spikes all sessile]. A form from Oxlode, Cambs., with spikes 

 H in. long is probably var. macrostachys (Reichenb.). Salt 

 marshes. P. VII. E. S. I. 



2. S.sylvat'icus (L.) ; spikes clustered in a large cymose very 

 compound terminal panicle, clusters stalked and sessile, general 

 bracts several leaflike, gl. blunt apiculate, nut obovate bluntly 

 trigonous. jft S. 919. St. 36. 8. E. viii. 313. St. 23 feet 

 high. Spikes very many, small, greenish, ovate. L. broad, 

 flat. Stigmas 3. ft. dissitiflorus (Sond.) ; spikes mostly 

 solitary and usually stalked. [S. radicans (Schk.), spikes all 

 stalked, glumes not apiculate, stoles long and rooting, may 

 possibly be found.] Damp woods and banks. P. VII. E. S. I. 



3. 8. triqueter (L.) ; st. acutely triquetrous throughout, spike- 

 lets in a small cyrnose panicle, gl. notched mucronate glabrous 

 fringed with rounded blunt lobes, nut " roundish-obovate plane- 

 convex smooth." -E. B. 1694. St. 36. 3. E. viii. 305. St. 

 34 feet high, with concave faces ; 1 or 2 long sheaths at the 

 base, the uppermost ending in a short broad triquetrous leaf. 

 Lower bract long and rigid, resembling a prolongation of the 

 stem. Spikelets small, stalked and sessile. Anth. with a short 

 beardless point. Stigmas 2. Muddy banks of the Thames near 

 London ; the Arun, Sussex ; and the Tamar near Calstock, 

 Cornwall. Shannon estuary below Limerick. P. VIII. E. I. 



[S. americdnus (Pers.) ; st. acutely triquetrous throughout, 

 spikelets few sessile, gl. notched mucronate smooth with acute 

 lobes, nut roundish-obovate plane-convex smooth. E. B. S. 

 2819. E. viii. 304. 8. Eothii Hoppe ? St. 36. 4. S. puny ens 

 (Vahl) ed. viii. St. 6 18 in. high, slender; with several 

 sheaths at the base ending in long narrow keeled leaves. Lower 

 bract very long and rigid, resembling a prolongation of the 

 stem. Spikelets large, ovate, blunt, all sessile. Anth. with a 

 subulate fringed point. Stigmas 2. St. Ouen's Pond, Jersey. 

 P. VI. VIL] 



4. & carindtus (Sm.) ; st. terete below bluntly trigonous up- 

 wards, spikes in a small cymose panicle, gl. notched mucronate 

 slightly asperous and pilose fringed, nut u convex on the back 

 smooth." j. B. 1983. S. Duvallii Hoppe, St. 36. 2. E. viii. 

 303. St. 24 feet high ; with L or 2 long sheaths at the base, 

 the uppermost ending in a leaf 3 or 4 in. long. Lower bract 



