‘ Pe ee 
218 POPULAR FIELD BOTANY. ¥ ‘e 
which are not in flower till next month, but the following is _ es 
common, and differs from the rest in general appearance. 2 
PotyGoxum ayrcuLaRrE. Knot-grass. Its flowers are 
pink, small, and nearly solitary, proceeding from the bottom “3 
of the leaves, so that they are scattered amongst them in all — 
parts of the stalk, instead of forming a spike lke the last. 
Leaves rather long and narrow, seed three-sided. It is very” 
common on road-sides, &c., and flowers from May to Sep- 
tember. 
ENNEANDRIA. HEXAGYNIA. 
PETALOIDE. BUuTOMACE. 
BUTOMUS. (FLowzrine Rusu.) 
Generic Character. Flower of six divisions, coloured. Stamens 
nine, three interior. Capsules six, connected below, and bursting ‘ 
upwards. wae 
BurToMus UMBELLATUS. Common Flowering Rush. This 
is the only plant in the Linnean class Hnneandria. It is 
extremely handsome, found wild in England and Ireland, but - 
often cultivated in lakes, being highly ornamental. The um- 
bel of many rose-coloured flowers, and leaves two or three 
feet long, make it easily distinguished from other water 
plants. 
