135 
Genus 2. Scheuchzeria. 
S. palustrts. Fig. 1341. 
Leaves semicylindrical. Flowers in a terminal raceme. Bogs; rare. 
6 in. Perenn. July. Green, (f) E. B. 1. 1801. E. B. 2. 531. 
H. ^ Am. 472. Bab. 346. Lind. 252. 
Order C. TYPHACE^E. 
Genus 1. Typha. 
T. latifolta. Bull-rush. Cat's-tail. Fig. 1342. 
Leaves broad, linear. Flowers in a continuous spike. Pools. 4-6 ft. 
Perenn. July and Aug. Brown; sterile, yellow. (■!■) E.B.l. 1455. 
E B. 2.1241. H. Am. 473. Bab. 347. Lind. 24 7. 
T. angustifolia. Lesser Bull-rush. Fig. 1343. 
Leaves linear, narrow. Sterile and fertile catkins rather distant. 
Pools. 3-4 ft. Perenn. July. Brown; sterile, yellow, (i) E. B. 
1 1456. E.B. 2.1242. H.fyArn.473. Bab. 347. Lind. 247. 
T. minor. Dwarf Bull-rush. Fig. 1344. 
Leaves linear-setaceous, convex beneath. A doubtful native. 1-11 ft. 
Perenn. July. Brown ; sterile, yellow. (§) E.B. 1. 1457. E.B. 2. 
1243. H.fyArn.473. Bab. 346. Lind. 247. 
Genus 2. Sparganium. 
S. ramosum. Branched Bur-Reed. Fig. 1345. 
Leaves long, linear, concave at the sides. Stem branched. Stigma 
linear. Ditches. 2-3 ft. Perenn. July. Stamens yellow. (|) E. B. 
I. 744. E. B. 2. 1244. H. Am. 474. Bab. 347. Lind. 247. 
S. simplex. Upright Bur-Reed. Fig. 1346. 
Leaves flat at the sides. Stem simple. Stigma linear. Ditches. 
1-2 ft. Perenn. July. Stamens pale yellow. (-|) E. B. 1. 745. 
E. B. 2. 1245. H. fy Am. 474. Bab. 347. Lind. 247. 
S. natans. Floating Bur-Reed. Fig. 1347. 
Leaves floating, flat. Stem simple. Stigma ovate. Lakes. 6-10 in. 
Perenn. July and Aug. Stamens yellow. (|) E.B. 1.273. E.B. 
2. 1246. H. fy Am. 474. Bab. 348. Lind. 248. 
Order CL ARACEiE. 
Genus 1. Arum. 
A. mactjlatum. Cuchow-pint. Lords-and-Ladies. Fig. 1348. 
Leaves halberd-shaped, glossy, usually spotted. Spadix club-shaped. 
Hedges, banks, and thickets. Poisonous. 6-10 in. Perenn. May. 
Spathe greenish; spadix purple. (|) E. B. 1. 1298. E. B. 2. 1319. 
II. fy Am.475. Bab. 34 8. Lind. 246. 
Order CII. ORONTIACE^E. 
Genus 1. Acorus. 
A. Calamus. Sweet-Flag. Fig. 1349. 
Leaves sword-shaped. Stem leaf-like. Flowers in a sessile spadix. 
River-sides. 2-3 ft. Perenn. July. Green. (|) E. B. 1. 356. 
E. B. 2. 495. H. fy Am. 476. Bab. 348. Lind. 246. 
Order CIII. PISTIACE.E. 
Genus 1. Lemna. 
L. trtsulca. Ivy-leaved Duckweed. Fig. 1350 
Fronds elliptic-lanceolate, linear at the base. Ditches and ponds. 
Ann. June and July. E. B. 1. 926. E. B. 2. 33. H. fy Am. 4 77. 
Bab. 349. Lind. 251. 
