432 92. TYPHACE/E. 



to the base ; 2 lateral divisons keeled, compressed, blunt, fringed, 

 black. Each fl. with a broad blunt black scale in front which is 

 shorter and broader than it. Hebrides, especially Skye. West 

 coast of Ireland, especially Connemara. P. VIII. S. I. 



Order XCII. TYPHACE^R. 



Fl. monoecious, many, closely placed in cylindrical spikes or 

 in dense globose clusters ; barren and fertile on different parts 

 of spike, the males uppermost. Perianth of 3 or more scales or 

 hairs. Stam. 1 6, distinct or monadelphous. Anth. erect. 

 Fertile fl. Ovary free, solitary, 1-celled ; ovule 1, pendulous. 

 Style simple. Stigma unilateral. Fr. dry or spongy. Embryo 

 with a cleft on one side. Kaphides abundant. 



1. TYPHA. Spikes long dense cylindrical, upper part male, 

 lower female. Stam. surrounded with hairs. Anth. 3 

 tog-ether on one filament. Ovary surrounded by hairs 

 ultimately stalked. 



2. SPARGANIUM. Fl. with a single 3 4-leaved perianth, 

 in distant dense globose heads, the lower bracteate. Stam. 

 free. Fruit dry, sessile. 



1. TY'PHA Linn. Heed-mace. 



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

 parts of spikes not separated, style exceeding the bristles, stiir. 

 oblique ovate-lanceolate. E. B. 1455. It. ix. 323. St. 67 

 feet high. L. overtopping the inflorescence, very broad. Spikes 

 very long, sometimes [var. media (Sy.)] there is a very short 

 space between them ; fertile blackish brown. fin T. Shuttle- 

 worthii (Koch), R. ix. 322, the style equals the bristles.] Pond* 

 and lakes. P. VI. VII. E. S. I. 



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

 fertile parts of spikes a little separated, style exceeding the 

 bristles, stig. Vig filiform. 7?. B. 1456. .R. ix. 321. St. 56 

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

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

 rated by a flowerless interval of about an inch ; fertile reddish 

 brown. [T. gracilis (Schur), R. ix. 320, has a rounded spath- 

 ulate stigma.] Lakes and ponds. P. VI. VII. E. S. I. 



2. SPARGA'NITJM Linn. Bur-reed. 

 1. S. erect' um (L.) ; 1. triquetrous at the base, st. I/ranched 



