474 
47. COMPOSITACE^E. 
Buch, scarcely entitled to a place in the Mad. Flora, being 
merely grown in cottage gardens as a common rustic remedy 
for its aromatic properties, and showing no tendency, like the 
preceding sp., to become naturalized. St. erect hard stiff 
straight simple 1-2 ft. high. Whole pi. more or less very 
closely and shortly pubescent, strongly aromatic. L. pale dull 
bluish-gr. not glaucous, punctate, sharply and finely doublv- 
serrate, the lower more deeply incised downwards or pecti- 
nately subpinnatifid. Cyme small crowded terminal about 
2 in. broad. Heads small 2 lines long, 1 broad, scales light gr. 
pubescent. FI. deep golden -y., ligules small and short about 
4 or o, irregular in shape size and number, often broader than 
long, obtusely 2-3-lobed, coloured like the disk. 
fTribe XI. Bidentea Less. 
f20. Kerxeria Mnch. 
fl. K. pilosa (L.). Malpica. Amoves de Burro. 
Glabrescent ; st. erect subquadrangular ; 1. stalked ternately 
or quinately pinnatipartite, lfts. distinct rhomboidally ovate or 
lanceolate coarsely inciso-serrate, petioles subciliate towards 
the base ; heads stalked subcorymbose rayed or discoidal ; inner 
scales of inv. oblong equal, outer linear-subspatlmlate acute ; 
ach. 2-3-awned. — Bidens pilosa Lour. Fl. Cocli. ii. 488 ; Schultz 
in WB. ii. 242 ; J. A. Schm. Fl. Verd. 197. — Varr. : — 
a. radiata Sell. 1. c. ; J. A. Schm. 1. c. ; heads radiate, ach. 
setulose upwards — Coreopsis leucantha Linn. Sp. 1282 ; Buch 
195. no. 270. Bidens leucantha Willd., Pers. ii. 394; DC.! v. 
598 ; Seub. Fl. Az. 32. 
discoidea Sch., ,T. A. Schm. 1. c. ; heads discoidal or ray- 
less, ach. naked. — Bidens pilosa Linn. Sp. 110(5; Willd., Pers. 
ii. 394 ; DC. v. 597 ; Dill. Elth. i. t. 43. — A mere state or even 
only stage of a. 
Herb. ann. Mad. reg. 1, 2, 3. ccc. In cult, ground, gardens, 
vineyards, by roadsides, &c. everywhere, a troublesome and 
universal weed. At all seasons. — PI. 6-18 in. high with shining 
somewhat lurid dark gr. foliage branched and bushy. Branches 
square dull purplish subpuberulous glabrescent. Lfts. stalked 
glabrescent, 1-2 in. long, about half as broad, variable in shape, 
sometimes ovate or ovate-oblong. Fl. on solitary moderately 
long axillary ped. towards the ends of the branches about 4 
lines in diain., as often rayed as rayless. Kay when pres nt w. 
of 1-5 short broad ligules; disk convex y. Heads whilst im- 
mature after fl. oblongo-pyramidate, with the gr. leafy tips of 
the scales of inv. reflexo-patent, and the base obconical gr. and 
fleshy; the scales in the ripe fr. strongly reflexed dried up and in- 
