16 
Transactions of the Boyal Society of South Africa. 
auricled. Flower-heads scanty, about in. in diameter. Involucre of 
10 equal acute nervate segments. Calyx-teeth ^ line long, broadly 
ovate, apiculate, slightly papillate. Ovary subcompressed. Mature fruit 
not seen. 
Tropical Africa. Ehodesia : Common in short grass on the Chimani- 
mani Mountains, 7,000 ft. Swynnerton in Hei^b. Brit. Mus. 6208a ! 
16. A. COMOSA, Diimmer, sp. nov. 
Planta glabra, circiter 30 cm. alta ; caulis subnudus, e basi angulatus, 
apicem versus teres et paniculato-vel corymboso-ramosus, ramis paucis 
ascendentibus 2*5 cm. 7*5 cm. longis. Folia rigida, erecta, coriacea, 
marginibus serrato-setosis, setis rigidis remotis; radicalia, 10-15, conferta, 
petiolata ; petioli l"2-2'5 cm. longi, complanati vel sulcati; lamina 
2- 5-6 cm. longa, 6-8 mm. lata, lineari-lanceolata, acuta, basi angustata, 
setis marginalibus, 4-6 mm. longis; caulina minora, pauca, remota, 
adpressa, amplexicaulia, acuminata. Capitula pauca, 1-2 cm. diametro, 
plus minusve congesta. Involucri segmenta 10, rigida, acuta, carinata 
nervataque, marginibus scariosis, segmenta majora 2*5 mm. lata. Calycis 
dentes subacutae, 1 mm. longge. Fructus ignotus. 
Plant glabrous, about 1 ft. high ; stem subnude, angular at the base, 
terete and paniculately or corymbosely branched above ; branches few, 
slender, ascending, 1-3 in. long. Leaves rigid, erect, coriaceous, reticulate 
on both sides, serrate-setose, the setae stiff. Eadical leaves 10-15, tufted, 
petiolate ; petiole ^-1 in. long, flattened or grooved ; blade 1-2^ in. long, 
3- 4 lines broad, linear-lanceolate, acute, tapering from below the middle 
to the base; the marginal setae remote, 4-6 mm. long; cauline leaves 
few, small, amplexicaul, adpressed, acuminate. Flower-heads few, 
1-2 cm. in diam., more or less congested. Segments of the involucre 10, 
unequal in size, rigid, acute keeled and nerved, with scarious margins ; 
the larger IJ lines broad. Calyx-teeth -J line long, subacute. Fruit 
not seen. 
South Africa. Transvaal : Modderfontein, Conrath in Herb. Keiu, 321 ! 
The tufted, erect, lanceolate, coarsely serrate leaves, few flower-heads, 
scariously margined involucral segments, characterise this species. 
17. A. LONGECiLiATA, Schinz, MS. 
Glabrous, f ft. high. Stem stout, terete, grooved, racemosely 
branched ; branches slender, ascending, If- 3 in. long. Eadical leaves 
approximately 9, rosulate, spreading, petiolate, coriaceous, obscurely 
reticulate ; petiole f-1 in. long, 2-3 lines broad, slightly winged and 
carinate ; blade, 1-1^- in. long, |~1 in. broad ; obovate, spathulate or 
rotund, occasionally narrowing into the petiole, margin denticulate, ciliate 
