COMPOSITE FLORA OF AFRICA. 365 
0°6-0°7 cm., intima fere 1:0 cm. long., horum spini terminales 
0:1-0°3 cm. long. Receptaculi sete fusce, circa 0°5 cm. long. 
Corolle in toto fere 1°5 em., hujus lobi 0°6 cm. long, Pappi 
sete 1:0 cm. long. 
Leaves much like those of Carduwus leptacanthus, Fres., only 
less deeply divided, but with its small heads and shortly spinose 
involucral leaves the difference between this and C. leptacanthus 
is very striking. 
CaRDUUS LEPTACANTAUS, Fres. 
Mt. Kenia, terminal moraine of sheet glaciation; Dr. J. W. 
Gregory. Mt. Ruwenzori, 5300 feet, and Kiriba, N.E. of Lake 
Tanganyika, 7-8000 feet; G. F. Scott Elliot, nos. 7609, 8379. 
Var. SreupNeERI, Engl. 
Tropical East Africa; Rev. W. E. Taylor. Mau; G. F. 
Scott Elliot, no. 6961. 
Cnicus, Linn. 
C. potyacantuvs, Hochst. 
Usambara ; Buchwald, no. 318. 
CEnTavREA, Linn. 
C. Aytmerti, Baker. 
Somaliland, above the Upper Sheik; Mrs, Lort Phillips. 
Gan Liban ; Dr. Donaldson Smith. 
Tribe MUTISIACES. 
Puieroraxis, Steet. 
P. VERNONIOIDES, sp. nov. Verisimiliter herbacea, caule erecto 
tereti robusto striato albo-tomentoso deinde efoliato sursum 
sparsim ramoso ramis juvenilibus crebro foliosis, foliis sessilibus 
anguste lineari-lanceolatis acutis basibus caulem laxiuscule 
amplectantibus margine crenulatis rugosis supra griseo-araneoso- 
pubescentibus subtus dense albo-tomentosis, capitulis solitartis 
majusculis globosis multiflosculosis breviter pedunculatis, in- 
volucri phyllis circa 7-serialibus extimis (serr. I-Ht) _paryis 
una cum interioribus manifeste longioribus oblongo-ovatis 1ntimis 
elongatis et late oblongis omnibus obtusissimis glabris sursum 
atratis, flosculis exsertis, acheniis anguste cylindricis vel (api- 
cibus leviter coarctatis) subcylindricis pubescentibus quam pappus 
stramineus paullo brevioribus. 
