JULY. 333 
Monecia. TRIANDRIA. 
PETALOIDES. TYPHACE. 
SPARGANIUM. (Bur-REeEp.) 
Generic Character. Vowers in spherical heads, and very 
thick. Leaves long and narrow. 
SPpaRGANIUM RAMOSUM. branched Bur-reed. (Pl. XVIII. 
fig. 72.) A curious plant, growing by ditches, lakes, &c. 
Stem more than two feet high, with a few sword-shaped 
leaves, the lower ones triangular at the base. Flowers 
forming a round head, and in seed becoming as large as 
a marble, divided into a number of little seed-vessels. The 
flower is brown, and the seed-vessel green. ‘There is a 
smaller species S. szmplex, with pale yellow flowers, growing 
in ditches and stagnant water. Also S. xatans found in 
lakes, with very long floating stems. 
Monecia. TETRANDRIA. 
MoNOCHLAMYD®. URTICACES. 
URTICA. (Netrtz.) 
Generic Character. Barren flowers in loose racemes. Calyx 
four-leaved Stamens four. Fertile flowers forming a head. 
