FLORA OF ADEN. 
225 
Achenes oblong ^ inch long, sericeous-hirsute, striate. Pappus 
tawny, multiseriate, uneqal, subscabrid. 
Note : — The leaves vary a good deal. They are usually rigid and 
spinescent, sometimes herbaceous ; the margin is generally entire, 
but dentate leaves are sometimes to be found. 
Flowers and fruits .-—-January 1863 (Oliver and Cl.), February 1851 
(Thomson), March 1850 (Madden), March 1878 (Perry), April 1861 
(Thomson), April 1844 (Lunt), June 1872 (Hildebr.), November 1888 
{Schweinf.), December 1889 (Defl.). 
Locality : — Near the coal-depot of the Messag. Marit. (Schweinf.) ; 
plain of Maala (Defl.) ; slope of the Shum Shurn Range (Ellenbeck ) ; 
gravelly slope above Aden at a height of about 500 — 1,000 feet (Busse) ; 
great valley between Steamer Point and town (Marchesetti) ; ve. y 
common (Madden, Hook., Thomson, Anders.) ; Steamer Point, — 
nearly sea level (Lunt) ; without locality (Birdw., Hildebrandt, 
Perry, Oliver and Cl.) . 
Distribution : — Egypt, Nubia, Eritrea, Arabia. 
4 Pegolettia Cass. 
Small, rather rigid half-shrubs or herbs. Leaves alternate, dotted, 
elliptical or linear. 
Capitula terminal solitary or loosely panicled, many- flowered, 
homogamous, discoid, companulate ; florets all tubular fertile. Invo- 
lucre imbricate in 2 — 3 rows, shorter than the flowers ; scales acute. 
Receptacle naked, dotted, flat. Corolla tubular, 5-fid, regular (or 
sub-ringent) . Anthers 2-tailed at base. Achenes cylindrical, 10 — 12- 
costate, beakless. Pappus in two or three rows, the inner of long, 
rigid, straight, serrato-ciliate, rarely plumose bristles ,• the outer 
much shorter, either of flat, entire or lacerate, unequal scales, or of 
bristles nearly similar to those of the inner pappus. 
Species about 10. 
Distrihition : — Tropical and Southern Africa, Arabia. 
1. Pegolettia senegalensis Cass. Diet. 38, 230 ; DC. Prodr, V, 481 ; 
Jaub. et Spach Illustr. PI. Orient. IV, 63, t. 341; Oliver El. trop. Afr. 
Ill, 361. 
Kuhnia arabica Hochst. et Steud. in Hb. Schimp. Arab. Fel. 
n. 863; DC. Prodr. VII, 267. 
Description : — Annual, of loose bushy habit, paniculately branched, 
scab erulous, with short crisp hispid hairs, subglutinous above, ^ 2 feet 
L 2 
