SYNGENESIA, AXQUALIS. 
al 
o 
302. SONCHUS. Gen. pl. 1233. (Cichoracee.) 
Calix imbricated, ventricose. Receptacle na- 
ked. Pappus pilose, sessile. ‘ 
1. S. peduncles sub-squamose; flowers paniculate ; 
leaves lyrate-runcinate, denticulate, petiolate.— 
Willd. and Pursh. : 
Gall of the earth. Blue-flowered Sow-thistle. 
From three to six feet high. Flowers large, blue. Pursh 
says this plant is used like Prenanthes Serpentaria, to cure 
the bite of the rattle-snake. On the bank walk of the Schuyl- 
kill from Gray’s ferry to Kingsess Gardens. Also on the 
Woodlands, near the Schuylkill; not common. Perennial. 
July, September. 
2. S. peduncles sub-tomentose, umbellate; calices 
glabrous; leaves oblong-lanceolate, amplexi- 
caule-denticulate, subsinuate.—JVilld. 
Icon. Fl. Dan. 682. Curt. Fl. Dan. 58. 
Yellow-flowered or common Sow-thistle. 
A well-known pestiferous weed to farmers. From three to 
six feethigh. Flowers pale-yellow. On the borders of fields 
and the edges of woods, abundant every where. Annual. July, 
September. 
5. S. pedancles squamose; flowers racemose; 
leaves runcinate, acuminate; stem paniculate- 
virgate.— Willd. 
L. spicatus, Lamark. 
About three or four feet high. Flowers small, white; 
slightly tinged with blue. On the bank walk of the Schuyl- 
kill from Gray’s ferry, to Kingsess Gardens. Biennial. July, 
September. 
4. S. peduncles subsquamose ; flowers paniculate ; 
radical leaves subruncinate ; stem leaves ovate- 
acuminate, petiolate, denticulate in the middle. 
—Willd. and Pursh. 
Lactuca villosa, Jacqu. ? 
Resembles No. 1, very much, but the flowers, which are 
blue, are half the size of them. Grows with No.1.; not com. 
mon. Biennial. August, September. 

91 
Floridanus, 
oleraceus, 
leucophzus, 
acuminatus, 

