TRIANDRIA— MONOGYNIA. Schcenus. 49 



t. 4, Woodv. t. 40. Hook. Scot. 16. Fl. Dan. t. 494. Bull.Fr, 

 1. 137. Poit. 8^ Turp. Par. t. 4G. Cord. Hist. 134./ 

 I. n. 12G0. Hall. Hist. v. 2. 129. 



1. palustris lutea. Raii Syn. 374. Ger. Em. 50. f. 

 Pseudoacoium. Matth. Valgr. v. 1 . 20. f. 

 Pseudoiris. Dod. Pempt. 248./. 



Acorus, Brunf. Herb. v. 2. 47. f. 

 Acorum falsum. Camer. Epit. 6.f. 

 A. officinarum. Fuchs. Hist. 13. f. 12. 



In ditches, pools and rivers frequent. 



Perennial. Julij. 



Root horizontal, depressed, brown, very astringent. Stem 3 or 4 

 feet high. Leaves erect, ribbed, grass-green. Fl. from 3 to 6, 

 large, handsome, bright yellow j disk of the larger segments 

 pencilled with dark purple. 



2. \,foetidissi?na. Stinking Iris, or Gladwyn. Roast- 

 beef plant. 



Corolla beardless; inner segments spreading. Stem with 

 one angle. Leaves sword-shaped. Seeds globose. 



I. foetidissima. Linn. Sp. PI. 57. Willd. v.\. 232. Fahl Enum. 

 V.2. 139. Fl. Br. 42. Engl. Bot. v. 9. t.596. Poit. Sf Turp. 

 Par. t.4o. 



I. sylvestris quam Xyrim vocant. Raii Sjjn. 375. 



Xyris. Ger. Em. 60. f. Matth. Valgr. v. 2. 2 40. f. Camer. Epit. 7 S3. f. 



Sphatula foetida. Fuchs. Hist. 793. f. 794. Trag.Hist. 904./ 



In groves, thickets, and under hedges, but rather rare. Dr. Wither- 

 ing observed it to be very common in all the south-west counties. 



Perennial. May. 



About 2 feet high. Leaves dull green, exhaling, when rubbed, a 

 scent compared to that of roast beef, to which it is no compli- 

 ment. Fl. dull pale purple, pencilled with dark veins. Seeds 

 orange-coloured, polished. 



** Fl. inferior i chaffy. Seed 1. 

 22. SCHCENUS. Bog-rush. 



Linn. Gen. PL 29. Juss.27. Fl. Br. 42. Br.Pr.23l, Lam. t.SS.f.l. 

 Chsetospora. Br. Pr. 232. 



Nat. Ord. Calamaria, Linn. 3. CyperoidecE. Juss. 9. O/- 

 peracece. DeCand. 134. Br. Pr. 212. Five following 

 genera belong to the same. See Grammar 68, 198. 



[This natural order, for which I prefer the original name of 

 Calamaria^ has received great illustration by Mr. Brown's 

 discoveries in New Holland ; and from his Prodrovms 

 the following characters, in addition to Jussieu's, given 



