A revision of tin- genus Pteronia (Compositae) . 311 



other at the base, glabrous, often viscid. Heads stalked, densely 

 corymbosed, 4-5-flowered, obcouic, a little over 1 cm. long. Involucral 

 bracts 4-5-seriate ; the outer ovate-lanceolate or oblong-lanceolate, 

 obtuse; the innermost linear-lanceolate, subacute, glabrous, often 

 greenish when dry, scaly-membranous. Receptacle small, very deeply 

 honeycombed. Corolla cylindric below, expanded above, 8 mm. long; 

 lobes lanceolate, subobtuse, glabrous. Anthers 275 mm. long. 

 Achenes oblong-obconic, 2"5 mm. long, finely villous. Pappus white, 

 •8-9 mm. long, equalling the corolla. — Drege, Zwei Pflanzengeogr. 

 Docum. 109 ; Harv. in Harv. & Soncl. Fl. Cap. hi. 99. P. verticlllata, 

 DC. Prodr. v. 357. 



Distrib. — Mostly near the sea-shore from Clanwilliam to Malmes- 

 bury and in the Riversdale Division : 



Clanwilliam ; Lange Valley, below 1000 ft., July, Drege ! Verloren 

 Valley, near the sea-shore, Wallichl Piquetberg; St. Helena Bay, 

 Tomer in Herb. Pudge ! Without collector in Herb. Foster ! Malmes- 

 bury ; Coenradenberg, near Hopefield, March, Bachmann, 490 ! and 

 in Herb. Bolus, 6242 ! Saldanha Bay, Grey ! Riversdale ; Stille Bay, 

 June, Muir, 441 ! Muir in Herb. Galpin, 5220 ! Gentlivers in Herb. 

 Bolus ! 



37. P. baccharoides, Less. Syn. Comp. 196. 



A much -branched erect bush 1-2 ft. high ; branches glabrous. 

 Leaves alternate linear-trigonous, acute or subacute, 07-1 cm. long, 

 flat or slightly concave above, keeled below, glabrous. Heads crowded 

 at the ends of the branchlets, 3-flowered, shortly pedunculate, obconic, 

 about 1 cm. long; peduncle 6-7 mm. long, glabrous, bearing small 

 linear bracts, rarely nearly naked. Invohicral bracts 6 - seriate ; the 

 ■outermost small and lanceolate ; the innermost narrowly lanceolate, 

 subacute, all scaly-membranous and glabrous, with a little thicker 

 brownish midrib, straw-coloured. Receptacle very small, very deeply 

 honeycombed. Corolla 9 mm. long, slightly swollen in the middle, 

 glabrous; lobes linear, 4 mm. long. Anthers a little exserted beyond 

 the tips of the lobes. Achenes turbinate, scarcely 2 mm. long, 

 appressed villous. Pappus 8 mm. long, straw-coloured. — DC. Prodi-. 

 v. 357; Harv. in Harv. & Sond. Fl. Cap. iii. 98. P. acerosa, DC. 

 Prodr. v. 357. 



Distrib. — Kynsna eastwards to Albany : 



Knysna; near Plettenberg Bay, Mund, 80! Uniondale; Longe 

 Kloof, between Haarlem and Avontuur, March, Burchell, 5009 ! 

 Humansdorp ; between Kromme River and G-amtoos River, below 

 1000 ft., April, Drege ! Kromme River, Harvey, 914 ! Bowie ! Bun- 



