360 Lxxiii. COMPOSITE (OLIVER AND hiern). [Tphiona. 



l.'t. scabra, DC. Prodr. vi. p. 475. Shrubby, scattered with 

 short glandular scabrous pubescence ; branches ascending, numerous. 

 Leaves subulate-pungent, sessile, -^-1 in. long, with 1-3 spines about 

 ^ in, long at the base on each side. Capitula campanulate, -J. in. long, 

 about 14-flowered, solitary, axillary and terminal, often crowded, on 

 pedicels ranging up to 1 in. long. Scales of the involucre 3-4-seriate, 

 puberulous ; inner linear, acute ; outer shorter less acute or subobtuse ; 

 outermost acute. Receptacle y^- in. wide, naked. Achenes oblong, 

 -j?^ in. long, hirsute. Pappus tawny, multiseriate, unequal, subscabrid. 



Srile Iiand. Soturba, Schweinfurth .' Shores of Eed Sea, iVrnwo .' 



Occurs also iu Egypt, Arabia, etc. 



2. Xd rotundifolia, 0. 8f H. Shrubby; branches pale terete 

 glabrous. Leaves obovate, rounded at apex, narrowed at the base, 

 subsessile, shortly petiolate, glabrous, firm, :J— f in. long by 4-^ in. 

 wide; margins with deltoid apiculate teeth. Capitula campanulate or 

 campanulate-oblong, ;^-| in. long, on unequal pedicels |-— J in. long, in 

 moderately dense terminal corymbose cymes |-1J in. diam. Scales of 

 the involucre multiseriate, very unequal, nearly glabrous, obtuse, 

 mucronnlate, pale straw-coloured with dark (purple ?) midrib ; inner 

 oblong ; outer successively shorter and more elliptical or rotund. Re- 

 ceptacle narrow. Achenes densely hirsute'. Pappus uniseriate, pale 

 tawny, minutely barba'tf^. 



zrile Xiand. Somali country, Capt. Play/air/ 



Yields the Gagaboot (^Dagaboot of Vaughan); see also note under Pluchea pinna- 

 tifida. 



3. Z.? micropliylla, Vathe in Oesterr. Bot. Zeitschr. xxvii. p. 196 

 (1877). Scabrous, shortly villous, divaricately much branched, bushy ; 

 branches loosely few-headed. Leaves oval-oblong, sparse, strigose on 

 both sides, minute, -.j^s-^ in. long, ranging up to yV in- in width. 

 Capitula terminal, f in. diameter ; peduncles of moderate length (f in.), 

 bracteolate. Involucral scales appressedly imbricated, rather obtuse, 

 keeled, pencilled-cottony on the margin and at the apex. Setse of the 

 pappus 4 times the length of the villous achene. 



lB"lle Xiand. Somali-land, among the mountains of Serrut, near Meid, 6000 ft. , 

 alt., April, Hildebrandt. 



Tlie description is taken from Vatke, I.e. ; we have seen no specimen. 



44. PEGOLETTIA, Cass. ; Benth. et Hook. f. Gen. PI. ii. p. 334. 

 Capitula homogamous, discoid, campanulate, florets all tubular 

 fertile. Involucral scales pauciseriate narrow acute ; receptacle naked. 

 Anther- base sagittate with long tails. Achenes elongate subterete, 

 lO-12-costate. Pappus duplex ; inner of long copious plumose setee, 

 outer shorter paleaceous, paleae multifid or toothed. — Pubescent freely 

 branching herbs with alternate narrow leaves and terminal solitary or 

 loosely panicled capitula. 



A small genus of Tropical and Southern Africa. 



Achenes ^ in. long, scattered with rather rigid hairs . . LP. senegalensis. 



Achenes ^^-\ in. long, pubescent 2. P. mucronata. 



