773 ORD. XLVI. Ensate. 
therefore must consider it as valuable only for the pleasantness of 
the perfume, and the flavour which it communicates,* 
a « What this might do in its recent and acrid state, I cannot determine; but in 
_the dried state, in which we commonly have it in our shops, we are persuaded of 
its being a very insignificant expecterant.” Cullen M. M. v. 2. y, 459. 
TRIS PSEUDACORUS. YELLOW WATER FLAG: 
SYNONYMA. Iris Palustris. Pharm. Edin. Iris palustris lutea. 
Gerard. Emac. 50. Acorus adulterinus. Pauh. Pin. p. 74. 
Acorus palustris, &c. Park. Theat. p. 1219. Yellow Water 
- Flower-de-luce. aii Hist. p.1185. Synop. 374. Iris caule 
inflexo, foliis ensiformibus ; petalis erectis minimis reflexis imber- 
bibus. Hal. Stirp. Helv. n. 4260. Iris Pseud-Acorus. Lightf. 
Fi. Scot. p. 86. Withering Bot. Arrang. p. 39. Curt. Fl. Lond. 
Class Triandria. Ord. Monogynia. LZ. Gen. Plant. 59. 
Ess. Gen. Ch. Cor. 6-petala, inequalis; petalis geniculato- 
patentibus. Stigmata ‘petaliformia, cucullato-bilabiata. 
Thunb. Diss. de Iride. 
Sp. Ch. 1. imberbis, foliis ensiformibus, petalis alternis, stigmate . 
' 
minoribus. Thunb. 1. c. 
THE root is perennial, thicker than the thumb, of an irregular 
shape, horizontal, on the outside blackish, covered with rigid fibres, 
and puts forth many long whitish perpendicular slender roots; 
within it is spongy, and of a yellowish red colour; the leaves 
which grow from the root are upright, broad, sword-shaped, and 
at the bottom riding, or closely embracing, each other: those on 
the stalk are short, alternate, and sheathe the joints of the stem: 
