116 
Pappus minutus vel nullus :— 
Capitula solitaria, caules vel ramos simplices vel 
subsimplices terminantia; folia dentata vel 
lobulata :— 
Rhizoma vel radix basi non lanata ; species 
mtroductae :— 
lantae annuae ; folia plerumque lobu- 
lata ; flores radii flavi . 5. segetum. 
Plantae a folia obtuse dentata : 
flores radii albi . 6. leucanthe- 
mum. 
even basi dense lanatum ; folia argute 
rrata, acuta. wae ... 7. osmatordes. 
Capitula densiuscule ‘corymbosa; ” folia bipinna- 
tipartita ; species introducta aes ... 8. Parthenium. 
1. C. nodosum, DC. Prodr. vi. 65 (1837) ; Harv. in Harv. et Sond. 
Fl. Cap. iii. 162. 
Arctotis seth Thunb. Fl. Cap. ed. Schult. 711 (1823). 
Pinardia nodosa, Less. in Linn. 1831, 169. Ismelia nodosa, Less. 
Synop. Composit. 255 (1832). 
Chrysanthemum leptophyllum, var. ong ater: Le Zwei Pflanzen- 
geogr. Docum. 95; var. trisetum, Drége |.c. 
Sourn Arrica.—South-Western Region : nee ey Ebenezer, 
on stony dry “ karroo-like ” hills, below 160 m., Nov., Drége var. a, a; 
Windhoek, 230 m., Aug., Schlechter 8353. Clanwilliam ; between 
Lange Valley and Heerenlogement, below 160 m., July, Drége a, 6. 
Western Region : Little Cetra between Zwart Doorn River 
and Groen River, below 1000 ft., Aug., Drége, (3, a. Kalahari Region : 
Calvinia ; Bitterfontein, hills, Sept. * Adie 11034. 
2. C. Thunbergii, Harv. in Harv. et Sond. FI. Cap. iii. 162 (1865). 
Se cara frutescens, Thunb. Fl. Cap. ed. Schult. 693 (non 
inn., quoad plantam Canariensis). 
Pyrethrum frutescens, Thunb. ex Harv. l.c. nomen. 
Ismelia frutescens, Less. Synop. Comp. 255 (1832). 
Pinardia frutescens, Less. in Linnaea 1831, 169. 
Sourn Arrica.—Without definite locality, Thunberg 
Species not seen by the writer ; the type is only in iam Thunberg. 
3. C. decurrens, Hutchinson, sp. nov. 
Planta carnosa, usque ad 20 cm. alta; ramuli ascendentes, glabri. 
Folia basi decurrentia, linearia, apice obtuse callosa, 3-4 cm. longa, 
circiter 1°5 mm. lata, integra, glabra. Capitula solitaria, ous ‘pedun- 
culata, circiter 1-14 em. diametro ; pedunculi nudi, usque ad 12 cm. 
longi, glabri. Involucrum l\ate campanulatum ; bracteae 3-4 seriatae, 
exteriores oblongo-ovatae, apice rotundatae, intermediae et interiores 
obovato-rotundatae, 3-4 mm. longae, 2-3 mm. latae, margine mem- 
ranaceae, glabrae. Flores radii brevissimi, ‘ligulati; corollae tubus 
15 mm. longus, glaber, limbo brevissime cuneato-spathulato truncato 
