12 TRIAXDRIA MONOGYNIA. Scirpus. 



The roots used in the Island of Jura to dye black. A slice of 

 the fresh root, held between the teeth removes some kinds of tooth- 

 ache. E. B. Not eaten by cattle. Fl. Suec. Seeds roasted 

 resemble coffee, having more nearly the same aroma than other 

 substitutes. 



I. foetidissima. Stinking Iris. Corolla beardless ; inner 

 segments spreading. Stem with one angle. Leaves 

 sword-shaped. Seeds globose. E. B. 596. 



Thickets. Copse, Elsfield. Pn. (Bagley Wood.) Bx.* * 



Per. June. 



Ls. dull green. Fl. pencilled with dark veins. 



Bruised leaves smell veiy offensively, yet with some resemblance 



to roast-beef. 



SCHCENUS. Bog-rush. 



** Floivers beneath the germen, chaffy. Seed 1. 



S. nigi'icans. Black B. R. Stem romid, naked. Head 

 roundish, abrupt, overtopped by one of the two floral 

 leaves. E. B. 1121. 



Peat hogs. Under Headington Wick Copse. Sh. and R. W. 



Per. July. 



A foot hisfh, sm.ooth. Head black. 



•-o'-'-y 



RHYNCHO'SPOR A ' . Beak-rush. 



(R. alba. White Beak-rush. Heads abrupt. Stamens 

 two. Leaves tapering. Seed with numerous bristles 

 at the base. Schoenus albus. E. B. 9tS5. Gramen 

 junceum leucanthemum G. E. 30. 



Turfy bogs. Coleshill bog, Warwickshire. Pn. 



Per. Julyy August. 



A smooth, slender plant, with white ^. Stigm. two.) 



SCIRPUS. Club-rush, and Bull-rush. 



* Spikes solitary. 



(S. ccEspitosus. Scaly-stalked Club-rush. Stem round 

 slightly furrowed ; sheathed and clothed with numerous 

 scales at the base. Spike terminal. Outer glumes 

 largest, with leafy points. E. B. 1029. 



Turfy, barren heaths. * Coleshill bog, Warwickshire. Pn. 



Per. July. 



Stems erect. Spike small, reddish brown.) 



' Gr. beak, seed. 



