Plants Collected in the Percy S laden Memorial Expeditions. 403 



Bushmanland : Among rocks on granite hills near Tweefontein, 

 3-4 ft. high, stems succulent, 3042 ; Agennys, lower slopes, 3000 ft., 

 bush 3 ft., 3539. 



Distribution. — Griqualand West, Middelburg, Cradock, G-raaff 

 Keiuet, Transvaal, and Ngamiland. 



26. Senecio crassicaulis, Hutchinson, sp. nov. (fig. 10) ; affinis 

 8. cotyledoni, DC, sed caulibus et rauiis crassioribus, foliorum basibus 

 persistentibus muricatis, involucri bracteis basi demum induratis et 

 incrassatis concretis differt. 



Frutex circiter 1 m. altus ; caulis et rami crassi, carnosi, foliorum 

 basibus persistentibus valde muricati, glabri. Folia carnosa lineari- 

 lanceolata, acuta, 3 - 5-5 cm. longa, 3-4 mm. lata, carnosa, crassa, 

 glabra. Capitula florifera non visa, fructifera pendula, pedunculata ; 

 pedunculi graciles, 2 cm. longi, brunnei, glabri. Involucrum cylin- 

 dricum basi incrassatum, 1 cm.' longum ; bracteae sicco brunneae, 

 lineares, sulcatae, glabrae ; corollae non visae. Achaenia omnia fer- 

 tilia, subcylindrica, 3 mm. longa, breviter pubescentia, apice annulo 

 cartilagineo coronata. Pappus copiosus, albus, 1 cm. longus, fere 

 laevis. 



Little ISTamaqualand : High up on Battel Poort Mountain, leaves 

 succulent, shrub 3-4 ft., Pearson, 2987 ; last outspan south of Nieuwe- 

 fontein, on gneissic kopje, Pearson, 3065. 



Bushmanland : Lower slopes of kopje on sandy plain north-east of 

 Klipplaat, 1600 ft., aromatic bush, 4 ft. high, fls. dead, Pearson, 3070 ; 

 mountain slopes near Tweefontein, shrub 4 ft., Pearson, 3046. 



27. 8. viridiflorus, Hutchinson, sp. nov. (fig. 11) ; affinis 8. thermarnii). 

 Bolus, sed foliis dentatis, capitulis majoribus, achaeniis longioribus 

 differt. 



Ehizoma lignosum, paucicephalum ; caules erecti, 30 cm. longi, 

 lignosi, fiavi, glabri, teretes, basin versus foliati, superne in pedun- 

 culis nudis elongati. Folia sessilia, oblanceolata vel lineari-oblanceo- 

 lata, apice obtusa, basi attenuata, 2-5 cm. longa, 0-5-L5 cm. lata, 

 rigide chartacea, obtuse repando-dentata vel integra, valde glauca, 

 juniora pilosa demum glabra ; costa media utrinque distincta, nervis 

 lateralibus paucis arcuatis subdistinctis. Capitula flavo-viridia, in- 

 aequaliter longe pedunculata, discoidea, 1-5 cm. longa, circiter 12 cm. 

 diametro; pedunculi usque ad 17 cm. longi, erecti, apicem versus 

 incrassati, glabri. Involucrum late campanulatum, 1 cm. longum ; 

 bracteae circiter 10, inaequilatae, oblongae vel oblongo-lanceolatae, 

 coriaceae, marginibus anguste membranaceis, usque ad 5 mm. latae, 

 glabrae, extra indistincte striatae. Achaenia lineari-oblonga, 5 mm. 



29 



