496 



CVI. CYPERACE^. 



[ Scirpns. 



slightly rougli with raised 

 smooth. E. B. t. 1983. S. 



Banks of rivers, very rare, 

 the Arun, Sussex. %. 7,8. 



points ciliated, stigmas 2, achenes 

 trigonous Roth. S. Duvalii Hoppe. 



About London, and on the banks of 



*** Spikes numerous. Stem triangular. Panicle leafy. Style S-Jid, 



Achenes somewhat trigonous. 



6. S. maritimus L- {Salt-marsh C.) ; stem leafy triano-ular 

 spikelets terminal clustered stalked and sessile, involucre of 

 many foliaceous leaflets, glumes with a mucro between the acute 

 semients of the notch. £. B. t. 542. 



Salt-marshes, frequent, ^. 7, 8. 



Root 



creepmg, sometimes 

 swelling into knots or tubers. Leaves frequently longer than the stem, 

 flat, acuminate. Stigmas 3. Bristles 3 — 4, accompanying the smooth, 

 obovate-triaogular yrw/V. 



7. S. sylvdticus L. {Wood C.) ; stem triangular leafy, cyme 

 terminal many times compound, involucre of many foliaceous 

 leaflets, glume entire obtuse with a small sharp point. B. B. 

 t. 919. 



Moist woods and banks of rivers. Not frequent in England, but 

 abundant in South Kent. About Killin, at the head of Loch Tay, 

 Perthshire; Lanarkshire, and in very many places in the south of 

 Scotland. 7^. 7. — A handsome speciesj bearing innumerable small, 

 greenish, ovate spikelets. Stem 2 — 3 feet high. Leaves broadly linear. 

 Bristles scarcely longer than the achene, straight and sharply toothed, 

 the teeth pointing downwards ; in the allied S. radicans Schk. the 

 spikelets are all solitary, and the bristles are long, capillary, flexuose, 

 and puberulous at the apex. 



^ 



**** Spike solitary, terminal, Stijle S-fid. Achene trigonous. 



Bajothryon. 



Lightf. {Chocolate-headed C.) ; 



stem 



8. S. pauciflorus 

 rounded striate, its sheaths leafless, spike ovate naked, the 2 outer 

 glumes the largest obtuse but shorter than the spike, achene 

 reticulate-striate longer than the retrorsely hispid bristles 

 pointed with th6 longish base of the style. E. B. t. 1122. S. 

 Basothryon Eh^h. Eleocharis pauciflora Link. 



Moors in Scotland, not unfrequent. In England, rare ; near Yar- 

 mouth, Norfolk; Anglesea, and Bangor in Wales. 1^. 7, 8. — Habit 

 of small plants of Eleoch. palustris. Fruit pale, obovate, triquetrous, 

 terminated by the rigid base of the withered style, not swollen at the 

 base nor jointed, gradually tapering from the obtuse point of the fruit. 

 Boots fibrous, sending out jointed runners. 



9. S. pdrvulus Eoem. and Sch. {least C.) ; stem without leaves 

 or sheaths, ^spike terminal few-flowered, hypogynous bristles 



retrorsely hispid twice as long as the oTbovate oblong mucronate 



P 



to" ' 



10. 



tivo 







spile= 



4 



)Iooi 



troos, p 

 Iliis pi; 



lasers 

 jlumes i 



1.E, 



Speai 







