LXX. COMPOSIT®. 185 
62. TANACETUM, Linn. 
Heads discoid, either homogamous or heterogamous, having 
a few marginal, female, 2-3-4- -toothed flowers. Involucre im- 
bricate. Receptacle convex, nude. Corolla terete, 4-toothed. 
Achenes sessile, angular, glabrous, with a large epigynous disk. 
Pappus either 0 or minute and coroniform, entire or somewhat 
toothed, often oblique.— #7. Cap. in. p. 167. 
A large genus in the Northern hemisphere, various in habit. Leaves 
alternate. Heads corymbose or solitary.—3 Cape species, all Hastern or 
from Natal. 
63. SCHISTOSTEPHIUM, Less. 
Heads discoid, heterogamous ; marginal flowers female, with 
very short, bilabiate corollas ; disk-flowers bisexual, but com- 
monly abortive, 4-toothed. Involucre imbricate. Receptacle 
convex, nude. Achenes sessile, of the disk glabrous, ovuli- 
ferous, ‘with 2-fid styles, of the margin silky, obovate. Pap- 
pus 0.— FJ. Cap. i. p. 168. 
Shrubs or halfshrubs, silky or tomentose. Leaves alternate, flabelliform 
and many-nerved, or pinnatisect. Heads corymbose; flowers yellow.—3 
species, all Hastern. 
64, ARTEMISTA, Linn. 
Heads discoid, homo- or heterogamous; marginal flowers 
in 1 row, often female, 3-toothed, vith a lone, exserted, 2-fid 
style; disk-flowers 5 5-toothed, bisexual (sometimes abortive) 
or male. Involucre Fainting ; Scales membrane-edged. Re- 
ceptable nude or hairy-fimbrilliferous. Achenes obovate, with 
a small, epigynous disk. Pappus 0.—£J. Cap. iii. p. 169. 
A very large genus in the Northern hemisphere.— A. Afra, the only 
Cape species, is a leafy undershrub ; the leaves canous beneath, 2-pinnate- 
parted, with linear, acute, entire or toothed pinnules ; heads racemoso- 
paniculate, small. Grows from Swellendam eastwards to Natal. ‘ Worm- 
wood,” “ Southernwood,” and “ Taragon,” are familiar examples of culti- 
vated species. 
65. HIPPIA, Linn. 
Heads discoid, heterogamous ; marginal flowers in 1 row, 
female, filiform; disk- flowers male, 5-toothed. Involucral 
scales subbiseriate, elliptical or ovate, rnetnbtenierotl ene Re- 
ceptacle nude, convex. Marginal achenes roundish, flattened, 
with marginal ribs or wings; of disk, abortive. Pappus 0.— 
Fl. Cap. iii. p. 170. 
Herbs or undershrubs, with the odour of Chamomile. Leaves alternate, 
mostly pinnatisect, rarely entire. Heads small, yellow, .corymbose.—4 
species, dispersed. 
