46 The VEGETABLE SYSTEM. 
about feven inches high j the Leaves are of a bright green ; the Flowers 
are white. It blows in Auguft. 
In each of thefe Plants there are male and female Flowers in the 
fame general Head. The Female are placed with their Cups on the 
top of the Rudiments of the Seeds ; the Male on naked Footftalks. 
See o. c d. 
It has been cuftomary to range the Aftrantia among the Umbelli- 
ferous Plants^ but the impropriety of this we have (hewn *. 
GENUS III. 
GRASS-WE ED. 
AGROSTANA. 
Character of the Genus. 
The Head is flat and loofe ; the Clip extends every way 
beyond the Flowers ; and is of one piece, only dented 
lightly in five places at the Rim. 
Plate 1 8. o. a b c. 
Of this Genus we know only one Species. 
i. YELLOW GRAS S-W E E D. 
Plate 19. 
Charafler of the Species. 
The Leaves are nearly linear, but fwell a little into breadth 
in the middle. The Cup has a little Point at the centre 
of each divifion. 
Plate 19. a b. 
This is a perennial, native of Switzerland, and of fomc parts of 
Italy j a very pretty looking Plant, flowering in July and Auguft. The 
Stalk is pale, firm, and not much branched ; it rifes to a foot and a 
half high in good ground ; though in fome places not to more than fix 
or eight inches. The Leaves are a foot long or more ; they are of a 
flrong, but fomewhat ye'lowifh green on the upper fide, and paler un- 
* See Page 4, and the fucceeding. 
4 
derneath 
