Pteronia.]} COMPOSITE (Harv.) 107 © 
“« Leaves subglaucous, 3 lines long. Heads 10 lines long, 3 1. wide, 9-fi. Ovary 
compressed, sparsely hairy, contracted under the pappus.”—DC. Unknown to me. 
38. P. tennifolia (DC. 1. c. 363); glabrous; stems ascending-erect, 
subsimple or branched, suffruticose ; leaves opposite, elongate, filiform- 
subulate, channelled, entire, acute; heads terminal, solitary, sub-pedun- 
culate, 8-12-f1.; invol. oval-oblong, scales close-pressed, glabrous, broadly 
oblong, very obtuse, opaque and rigid, with a very narrow, serrulate- 
lacerate margin ; achenes compressed, hairy, minutely rostrate, 
Has. Near Caledon, £. Z./ (Herb. Sond., D.) 
6-12 inches high, either with several simple stems, or branched below, with several 
erect, simple branches, each bearing afl. head. Leaves 1~14 inch long, 4 line wide, 
very erect, longer than the internodes. Heads 8-10 lines long, 3~5 lines in diam. 
Pappus rufous. 
39. P. quinqueflora (DC. 1. c. 363); shrubby; twigs slender, rod- 
like, minutely canescent, becoming glabrate ; leaves opposite, oblong- 
linear, subacute, flat, thickish, nerved at back, grey, the younger ca- 
nescent with very minute, powdery, appressed hairs; heads at the ends 
of the branches, solitary or in threes, very shortly pedunculate or sub- 
sessile, 5-flowered ; invol. oval-oblong, scales ovate, acute, 1-nerved, 
submucronulate, powdery-canescent in the middle, with a broad, mem- 
branous, glabrous, subciliate margin; achenes compressed, hairy. 
Has. Graaf Reynet, £. Z./ (Herb. Sond.) 
8-12 inches high, woody below. Internodes on the branches an inch or more 
apart. Leaves 4-5 lines long, 1-14 lines wide, spreading. Heads about 3 inch long. 
Invol. glaucous. 
40. P. leptospermoides (DC. 1. c. 363); glabrous, much branched, 
slender ; leaves opposite, distinct at base, minutely woolly in the axit, 
crowded, linear, subacute, narrowed to the base, thickish, round-backed, 
quite entire, punctate; heads terminal, solitary, sessile, oblong, 6-7- 
flowered ; invol. glabrous, dry, scales horny, lanceolate-oblong, acute, 
quite entire. 
Has. Zilverfontein, Drege! (Herb. D., Hk., Sd.) 
A slender, twiggy bush, with opposite, short twigs. Leaves 6-7 lines , not 
a line wide, the base on the inside covered with short, white wocl. Invol. 7-8 lines 
long, 2-3 lines in diameter, pale testaceous. Achenes sparingly pilose. 
41. P. leptolepis (DC. 1. c. 363) ; twigs canescent; leaves opposite, 
densely crowded at the ends of the twigs, linear-oblong, obtuse, thick- 
ish, flattish, canescent, nerveless but slightly keeled ; heads solitary, 
terminal, sessile, 5~7-fl. ; inv. scales loosely imbricated, linear-oblong, 
1-nerved, obtuse, dry, rigid, with a very narrow, membranous, torn 
margin ; achenes villous. P. oppositifolia, L. M.! in Hb. Drege (non L.). 
Has. Zwart Ruggens in the Karroo, Drege! (Herb. Sond.) 
A very small, much-branched ramulous bush ; twigs short and curved. Leaves 
2-3 lines long, not 1 line wide. Heads 3-5 lines long, in 4~5 rows, obconic. 
42. P. glauca (Thunb.! Cap. 631); much branched; twigs and foli- 
age minutely and thinly canescent ; leaves opposite, crowded, linear- 
oblong, short, thick, somewhat keeled, obtuse, entire ; heads terminal, 
