5°4 



TYPHACEiE 



uous with that of staminate flowers. — Ponds ; common. Often 

 called Bulrush, a name properly belonging to the large rush-like 

 Scirpus lacustris. — Fl. July, August. Perennial. 



2. T. angusti folia (Lesser Reed- 

 Mace, or Cat's-tail). — Smaller and 

 more slender, with narrow leaves 

 grooved below, not glaucous, longer 

 than the flowering stems, and the 

 long, slender spike of pistillate 

 flowers separate from the staminate 

 one. — Ponds ; less frequent. Both 

 these species are now largely sold 

 as ornaments. — Fl. July, August. 

 Perennial. 



2. Sparganium (Bur-reed). — 

 Graceful aquatics with sword-shaped 

 leaves and flowers in distinct, dense, 

 globular heads ; perianth 3 — 6- 

 leaved, membranous ; stamens 2 — 3, 

 distinct. (Name in Greek denoting 

 a little band or strap, from the 

 ribbon-like leaves.) 



1. S. erectum (Branched Bur- 

 reed). — A large aquatic with erect, 

 branched stem, 1 — 4 feet high ; 

 leaves erect, sword-shaped, triangular 

 at the base with concave sides : 

 linear bracts; 1 — 3 lower heads, 

 larger, pistillate ; upper, half the 

 size, staminate, olive-brown in bud, 

 deciduous ; fruits broadly ovoid, 

 abruptly and shortly beaked. — 

 Ditches ; common. — Fl. June, July. 

 Perennial. 



2. S. neglectum (Overlooked Bur- 

 reed). — A very similar plant, 

 differing chiefly in the fruits, which, 

 when ripe, are obovate, tapering 

 gradually into a long beak. 



3. S. simplex (Unbranched Upright Bur-reed).— A smaller 

 plant with unbranched stem ; leaves triangular at the base, with 

 flat sides, sometimes floating ; heads in a raceme, the lower 

 pistillate ones shortly stalked ; the staminate ones sessile, yellow ; 



t^pha latif6lia 

 (Great Reed-Mace, or Cat's-tail). 



