' COMPOSITE FAMILY. 179 
SrammatTe FL. numerous in subglobose heads ; scales of the involucre 
distinct, in a single series. Corolla tubular, clavate, somewhat hai 
Anthers connivent but distinct. Style abortive, undivided. Receptacle 
pt terete, chaffy. Pistiniate FL. 2, inclosed a 2-celled oblong 
riaceous closed Kerala; which is ar mei with todked prickles and 
eandinated by 1 - 2 stout beaks. Corolla filiform. Akenes solitary in 
each cell of the jecnean oblong, flat. Annual herbs. Leaves alter- 
nate, lobed or dentate. 
| ie a’rium, L. Leaves broad-ovate, mostly somewhat 3-lobed 
dentate, unarmed at base ; involucre of the fruit o val, with 2 straight 
beaks. 
mes PHULOUS XN ANTHIUM. 
Clot-bur. Cockle-bur. 
r. Lampourde. Germ. Die 
Spitzklette. Span. Lampazo 
pequeno. 
Stem 1-3 feet high, roughish- -pu- 
bescent, Tenge 3 Leaves 3-6 in- 
ches in length, andnearly as wide as 
long. rdate at bi but cun- 
eately produced at the union of the 3 
principal nerves. He flowers 
Road- sides and te place eB t 
— and Middle jr intro- 
ge ms August—September. 
‘tum, has the frui 
more prickly with the beak 
incurved. 
2. X. spryo’sum, L. Leaves ovate-lanceolate, entire or somewhat 
“Fre. 122. Branch of the Thorny Clot-bur (Xanthium spincsvm), showing the hooked 
