36 
Triandria . 
ges ; not uncommon in the west of England *, perennial, 
flowers in June, and is easily recognised by its unplea- 
sant odour. 
Ir. Per sica, Persian Iris ; cor. unbearded, interior pe- 
tals very short, spreading horizontally ; a native of Per- 
sia, and a great favourite with the florist for its early 
appearance in February or March, and the beauty and 
fragrance of its flowers. 
Ir. Florentina, Florentine Flag ; cor. bearded, with 
pale green leaves shorter than the stem ; native of Italy 
and the south of Europe, grows abundantly on the walls 
of Florence, and is planted about graves in Algiers. 
The dried root furnishes the orris powder of commerce, 
which is extensively employed as a perfume. 
Ir. Lurida, Dingy Flag ; bearded, with a stem near- 
ly one-half longer than the leaves ; native of the south 
of Europe, is cultivated in gardens, and flowers in May. 
J3ot. Mag. xviii. 669. 
Ir. Susiana , Chalcedonian Iris ; with smooth, swoi’d- 
shaped leaves, scape one-flowered, petals rounded ; is 
a native of Persia, as the trivial name imports, and is 
the most magnificent of the Iris tribe ; is cultivated in 
gardens, but is impatient of moisture, and flowers in 
June. Hot. Mag. iii. 91. 
Schoenus. Gen. char.-— Glumes chaffy, crowded, 
the exterior barren ; cor none ; one seed, roundish. 
Sch. Mariscus, Prickly or Long-rooted Bog-rush ; 
with a round stem, and leaves acutely serrated on 
the margin and back ; native of England, grows in 
marshes, and is very common on the moors near Cam- 
bridge. 
