LXX. COMPOSITZ. 187 
duced at base into a broad, concave, ear-like spur, which com- 
pletely enwraps the ovary and finally the achene! Involucre 
double, the outer of few, broad, loose scales, the inner of few 
or many, scarious, appressed scales. Receptacle flat, without 
pale, but rough with the persistent, tooth-like pedicels. 
Achenes of the marginal flowers flattened, with a marginal 
wing ; of the disk-flowers oblong, wingless.— Fl. Cap. i. p. 
176. 
O. Eckloniana, DC., is a small annual, with opposite, simple or pinnate- 
parted, slender leaves, and peduncled, terminal heads. Flowers yellow.— 
Found in wet, sandy spots about Capetown. 
71. COTULA, Gertn. 
Heads discoid, heterogamous, rarely homogamous ; mar- 
ginal flowers in 1 or several rows, female, either without co- 
rolla or with a short, 2-toothed or filiform one; disk-flowers 
with a flat or winged tube, sometimes shortly 2-eared at base, 
and a 4-toothed limb. JInvolucre 2~3-seriate, of subequal, 
blunt scales. Receptacle flat or conical, papillate or nude. 
Achenes plano-compressed, often wing-margined, without 
pappus ; those of the marginal flowers mostly stipitate.—¥1. 
Cap. iii. p. 177. 
Small annuals or rarely perennials. Leaves rarely opposite or whorled, 
often sheathing at base, toothed, cut or pinnate-parted, with narrow lobes. 
Peduncles 1-headed.—22 Cape species, dispersed. 
72. CENIA, Comm. 
Heads shortly radiate or discoid; rays female, in 1-2 rows. 
shortly ligulate or 2-labiate, or some without corolla, rarely 
all the flowers tubular. Disk-flowers compressed, 4-toothed. 
Involucral scales 2-seriate. Receptacle convex, nude. Achenes 
compressed, wingless, but margined, without pappus.—¥#1. 
Cap. il. p. 184. 
Small, hairy annuals or perennials, with pinnatisect, multifid leaves and 
1-headed peduncles. The top of the peduncle is usually obconical and 
hollow, just beneath the involucre, an appearance which increases as the 
head becomes mature.—4 species, dispersed. C. turbimata is a very com- 
mon weed. 
73. STILPNOPHYTUM, Less. 
Heads discoid, homogamous. Involucral scales imbricated, 
dry. Receptacle flat, nude. Achenes oblong, cylindrical, 
angularly ribbed or striate and furrowed, or cuneate, sub- 
compressed. Pappus 0.—Fl. Cap. iii. p. 186. 
Glabrous shrubs, with the habit of Athanasia. Leaves linear, entire, al- 
ternate, rarely opposite. Heads corymbose, rarely solitary. Flowers yel- 
low.—3 species, clispersed. 
