424 coMPosiT& (Harv.) [ Tripteris. 
not distinguish it. Until the fruit shall have been seen, it must be considered a 
doubtful species. 
20. D. integrifolia (DC.); “ annual, many-stemmed, branching, gla- 
brous ; leaves oblong, linear, obtuse, entire; rays 7-8, yellow, brown 
at base; achenes only near the summit aculeate; disc-fl. few.” Acan- 
thotheca integrifolia, DC. 1.c. 74. 
Has. Oliphant’s River, Drege! (Unknown to us.) 
CXXI. TRIPTERIS, Less. 
Heads many-fl., moncecious; ray-fl. ligulate, female ; disc. tubular, 
bisexual, but sterile. Jnvol. 1-2-seriate, the scales free, often membr.- 
edged. Recept. naked, flat, at length subconvex, Anthers minutely 
setose. Styles of ray bifid ; of disc undivided, Achenes of ray 3-cornered, 
the angles produced in mostly unequal wings, the sides smooth or echi- 
nate, straight, substipitate, beaked, the beak hollow, on one side closed 
with a hyaline membrane ; sometimes (monstrously ?) terete, elongate, 
wingless, with solid beak. DC. Prodr. 6, p. 456. 
Herbs, suffrutices, or small rigid shrubs, chiefly S. African, mostly glandularly 
viscid and strongly scented. Leaves incised or toothed or entire, alternate or oppo- 
site, Heads panicled or ending the branches or stems. Rays yellow, white or 
purplish. Name from tps, three, and wrepos, a wing ; from the 3-winged achenes. 
§ 1. Oprosrtrrotim. Small shrubs, with constantly opposite leaves. (Sp. 1-6.) 
Quite glabrous in all parts ; leaves glaucous, quite entire. 
Lys. spathulate or lanceolate; rays deep-orange, 12-14 (1) glabrata. 
Lys. linear-subl late ; rays yellow, about ro ... (2) pallescens. 
Thinly gland-pubescent, powdery or canous : 
Lvs. linear-spathulate. entire, thinly glandular ... (3) Thomii, 
Leaves oblong-lanceolate, sinvate-toothed, minutely 
We we ne tn i. «4 
Lys. narrow-linear, acute, entire or denticulate, gland- 
eee ae tangy SS ee Samer gee ee eee (5) linearis, 
Lvs. linear, mucronulate, entire, canous ... .... ... (6) imeana, 
§ 2. Ricmpz. Rigid, scabrous herbs; stems leafy, panicled at the summit ; leaves, 
except the uppermost, opposite, sharply toothed. (Sp. 7-9.) 
Leaves lanceolate, tapering at base : 
Stem quite glabrous and smooth ; lvs. papillate-scabrid (7) rigida. 
All parts seabrid and glandular... ... ... ... ... (8) dentata. 
Lys. ovate or ovato-lanceolate, broad and clasping at base (g) amplexicaulis. 
§ 3. Panicutat#. Annual or perennial herbs; stems leafy, panicled or corym- 
bose at summit ; all the leaves alternate. (Sp. 10-14.) 
Leaves toothed or sinuate, glandular or viscidulous : 
Inv. scales lanceolate-acuminate, narrowly memb.-edged : 
Lvs. ear-clasping, sharply-toothed ; achenes 5-6 
lines long, amply winged ... ... ... ... (10) amplectens. 
Leaves subpetiolate ; inciso-pinnatifid or entire, 
, achenes not 2 lines long, narrow-winged ... (11) microearpa- 
Iny. scales oblong-acute, with very wide memb. edges: é 
Rays as long as inv., or scarcely longer ... ... (12) clandestina. 
Rays 2-3 times as long as pbs ti las 13) hyoseroides. 
(a3) hy 
Leaves quite entire, lanceolate ; the adult quite glabrous (14) 
§ 4. Caubescenrus. Rootstock perennial, ligneous, leafy at the crown ; stems 
