A revision of the genus Pteronia (Compositae). 307 



at the base, lanceolate or oblong-lanceolate, slightly mucronate, 

 0'8-l cm. long, about 4 mm. broad, keeled, shortly setulose-ciliate on 

 the margin and often on the lower surface, especially the keel, thick 

 and fleshy. Heads about 15-flowered, terminal, solitary, obconic, 

 2-2"5 cm. long, about 15 cm. in diameter. Tnvolucral bracts about 

 5-seriate ; the outermost broadly ovate, subacute, about 8 mm. long, 

 scaly ; the innermost linear-lanceolate, acute, about 1*5 cm. long, 

 membranous, scaly, all rugulose in the upper part outside. Receptacle 

 small and honeycombed. Corolla slender, 1*2 cm. long, slightly 

 angular at the base, glabrous ; lobes ovate-lanceolate, subacute. 

 1"25 mm. long. Anther tips produced very slightly beyond the tips 

 of the corolla lobes. Achenes closely packed, compressed, obovate, 

 7 mm. long, 4 mm. broad, with strongly ribbed margins, quite glabrous 

 over the surface, but sometimes Avith 2 or 3 long hairs on the ribs. 

 Pappus straw-coloured, as long as the corolla. — Thunb. Fl. Cap. ed. 

 Schult. 632; DC. Prodr. v. 364; Drcge, Zwei Pflanzengeogr. Docum. 61 ; 

 Harv. in Harv. & Sond. Fl. Cap. iii. 108. 



Distrib. — Great Namaqualand through Calvinia to Prince Albert : 

 Great Namaqualand ; 18 km. west of Aus, February, Pearson, 3677 ! 

 Calvinia ; Hantum, October, Th unberg ! Graaff Eeinet ; near Stoepjes, 

 2500 ft., November, Bolus, 2323! Jansenville: Zvvart Euggens, on 

 dry stony hills, 2500-3000 ft., August, Drrgeb ! Faserburg : between 

 Ivarree River and Klein Quaggas Fontein, near Fraserburg, August, 

 Burchell, 1323 ! Prince Albert ; on stony hills, near Prince Albert, 

 about 2300 ft., December, Bolus, 11524 ! 



31. P. glomerata, Linn. f. Suppl. 356. 



A small scrubby bush up to about 1 ft. high ; branches glabrous, 

 sometimes viscid towards the apex, with short internodes. Lcavs 

 opposite, usually very crowded and tufted, oblong or o' long-lanceolate, 

 obtuse, very slightly connate at the base, about 2 mm. long or less, 

 fleshy, very minutely puberulous or almost glabrous on the margins. 

 Heads terminal, solitary, subcampanulate, 2 cm. long, about 1 cm. in 

 diameter. Involucral bracts dull green. 6-7 -seriate, the outermost 

 very broadly ovate, about 4 mm. long, the innermost oblong, about 

 1 cm. long, all rounded at the apex, viscid outside, very minutely 

 ciliolate. Receptacle small. Corolla 1*2 cm. long, glabrous ; lobes 

 lanceolate, subacute, 3"5 mm. long. Anthers exserted beyond the tips 

 of the corolla lobes. Acwn e.< compressed, obovate, 5 mm. long, 

 villous with long stiff hairs from near the ba*=e. Pappus straw- 

 coloured, 1 cm. long.— Thunb. Fl. Cap. ed. Schult. 633 ; DC. Prodr. 



