Genus, Aster (Starwort) : — Herbaceous, usually erect. Leaves scattered, 
simple, entire or toothed. Heads terminal, outer florets purple, 
blue or white, forming a spreading ray, disc florets yellow, tubular 
and 5-tootlied. Involucral bracts in several series, overlapping, 
herbaceous. Anthers without tails. Pappus of many rows of 
stifi hairs. 
Aster Vahlli, Hook, et Am. (Marsli Daisy.) Plant about 
4 in. high, smooth. Stem simple, erect. Leaves narrowly- 
ovate, widening below, pointed, sheathing at the base. Heads 
nearly 1 in. in diameter. Ray florets in several series, at 
first white, later becoming tipped with brilliant rose. Disc 
florets yellow. Involucral bracts hairy. Style branches feathery. 
Pappus dull white. Fruit hairy. 
On marshy ground. Formerly abundant, now more rare. 
Flowers November and December. 
Description of plate :— 8, portion of plant ; 9, ray floret ; 10, disc 
floret ; 11, section of disc floret ; 12, stigma ; 13, fruit. All except 8 
enlarged. 
Errata :— Plate 31, d'Urv. should be Hook, et Am. 
