583 
ERIGERON . Villarsii. 
Villars’s Erigeron. 
—— 
SYNGENESIA POLYGAMIA SUPERFLUA | 
Nat. ord. Compositm. Adanson fam. 2. 103. sy 
CoRYMBIFERE. Jussieu gen.177. Div. If. Receptaculum 
nudum. Semen papposum. Flores radiati. In Tusstia- 
GINE et SENECIONE flores partim flosculosi. no 
nt ASTEREE. Cassini injourn. de phys. 88 (an 1819). 191. 
ERIGERON. Supra vol. 1. fol. 10. 
+ 
: 
E. Villarsit; caule erecto, foliis oblongo-lanceolatis trinervosis, floribus 
corymbosis. Villars delph. 3. 237; (sub E. attico.) é 
Erigeron Villarsii. Bellardi app. ad fl. pedem. 38. t.'7. Hort. Kew. ed. 2. 
5. 33. Lam. et Decand. fl. franc. 4. 143. Lamarck encyc. 8. 489. 
Willd. sp. pl. 3.1958. Ejusd. enum. 2. 873. . 
Erigeron atticum.. Villars ubi supra. Persoon syn. 2. 431. 
dix pi ateteulete, biennis. Caulis pedalis, striatus, fistulosus, levitér 
viscosus. olia ad radicem oblonga (spathulata Lam.) petiolo membranaceo, 
asperiuscula, intense viridia, tribus v. quinque nervis striata, obitér dentata: 
caulina lanceolata, sessilia integerrima. Ex caule flores prodeunt peduncu- 
lati, alterné dispositi, feré corymbosi. Calycis foliola hirsutula, viscosa 
apice rufescentia ; ceterum structura eadem ac in unifloro, alpino, et acri. 
(Flores cerulet v. violaceo-rubentes. Seminum pappus albus.) Bellardi 1. c. 
In the differential phrase applied by Willdenow to this 
species in the Species Plantarum, and adopted in the Enu- 
meratio, as well as in Hortus Kewensis, the ray of the flower 
is stated to be shorter than the disk, and the circumstance 
selected as the main distinction between Villarsii and phi- 
ladelphicum. But this character is obviously erroneous, 
and has been probably assumed by Willdenow from a hasty 
inspection of Bellardi’s engraving of the plant, where some 
of the flowers being represented in seed, when the pappus 
extends itself beyond the ray, he has mistaken this for 
the disk in flower. Bellardi expressly states, that the 
flower is of the same structure as in EricEron alpinum, 
uniflorum, and acre, where the ray is as usual higher than 
the disk. 
Introduced by Mr. Holboél in 1804. Called biennial by 
Bellardi: marked as perennial in Hortus Kewensis. Gene- 
