TYPHA. — SPARGANIXJM. 347 



2. Spaeganium. n. in dense globose heads, each with a 

 single 3 — 4-leaved perianth. Stam. free. Fruit dry, ses- 

 sile. 



1 . Typha Linn. Reed-mace. 



1. T. latifoUa (L.); 1. linear nearly flat, sterile and fertile 

 spikes contiguous, style exceeding the bristles, stig. obhque 

 linear-subulate rounded below. — E. B. 1465. R. ix. 323. — St. 

 6 — 7 feet high. L. overtopping the inflorescence, very broad. 

 Spikes very long. — [In T. Shuttleworthii (Koch), R. ix. 322, the 

 style equals the bristles.] — Ponds and lakes. P. VI. VII. 



2. T. angustifolia (L.); 1. linear channeled below, sterile and 

 fertile spikes a little separated, style longer than the bristles, 

 stig. long filiform.— £. B. 1456. R. ix. 321.— St. 5—6 feet 

 high, much slenderer than in the preceding. L. very narrow, 

 overtopping the inflorescence. Spikes very long, slender, sepa- 

 rated by an interval of about an inch. — [T. gracilis (Suhr.), R. 

 ix. 320, has a rounded spathulate stigma.]— Lakes and ponds. 

 P. VI. VII. 



[T. minor (Sm.) ; 1. linear- setaceous overtopped by the 

 distant spikes. — E. B. 1457. — Reported to have been found on 

 riounslow Heath. Dillenius. P. VII.] E. 



2. Sparganium Linn. Bur-reed. 



1. S. ramosum (Huds.) ; 1. triangular at the base with concave 

 sides, St. branched, stigma linear, fl. sessile. — E. B. 744. R. ix. 

 326. — St. erect, about 2 feet high ; lower branches with several 

 heads, 1 — 3 fertile, the rest barren. Heads spherical. L. long. 

 —Ditches. P. VII. 



2. S. simplex (Huds.) ; 1. trigonous at the base, st. simple, 

 stigma linear, fr. slightly stalked subfusiforra. — E. B. 745. R. 

 ix. 325. — About 1 foot high. L. long, often floating ; sheath 

 shghtly furrowed, not inflated. Heads many; barren several, 

 sessile ; fertile shortly stalked, especially the lowest. Fr. ob- 

 long, narrowed into a long beak, elliptic-fusiform. — Ditches. 

 P. VII. 



3. S.natans{L.); st. simple flaccid, floating 1. very long linear 

 from a dilated sheathing base, heads ma-ny panicled distant, fertile 

 heads spiked, barren male heads several sessile,/r. stalked oblong 

 not longer than its subulate beak. — S. affine Schn., R. ix. 417- — 

 St. much thicker than in the next plant. L. grass-green, very 

 long. Male heads fewer in our plant than in the Swedish. — 

 Lakes in Scotland. Cuunamara, Ireland. Mr. D. Moore. Snow- 

 don. P. VIII. 



