lb 
The vegetable SYSTEM. 
FAMILY THE First. 
The Scales being arm’d, or terminated by a hard thorn. 
ORDER I. 
Arm'd only at the Point. 
GENUS I. 
MAY THISTLE. 
POLYCAN TH A. 
CharaAerof the Genus. 
The Cups are cylindric, and their Scales are linear. 
Plate g. e a h 
1. DOWNY MAY THISTLE. 
Plate 9. Fig. I. 
Charaiter of the Species. Carduus Acanthoidcs. 
The Cups are covered with a hairy down, and droop a 
little. 
Fig. I. a. 
This is an Annual, native of our ditch-banks, and wafte ground 
by roads; but not very common j a plant of two foot high, flowering 
in the beginning of May, and foon after fading. The Leaves are 
hairy, and of a faint whitifli green : the Flowers are of a bright 
crimfon. 
2. MARSHY MAY THISTLE. 
Plate 9. Fig. 2. Marsh Thistle. 
Chara^erof the Species. Carduus Paluftris. 
The Cups are naked and ere61:, and the Leaves are pin- 
natifid. 
Fig. 2 a b. 
This is a Biennial, native of our wet grounds, and flowers at the 
latter end of May; a tall and fpecious Plant. The Stalk is purplifh, 
and is fix foot high : the Leaves aie of a deep brownifla green; the 
Flowers are of a full crimfon. 
3. CURL’D MAY THISTLE. 
Plate 9. Fig. 3. 
Character of the Species. Carduus Crifpus. 
The Flowers are clullered, and the Cups are naked, and 
the Leaves are waved. 
Fig. 3 . a. h. 
This is an Annual, native of our ditch-banks, and flowers in May. 
The Stalk is four Foot high : the Leaves are of a dufky green, and 
the flowers pale crimfon. 
GENUS 
