PLAXTJ2 ROGERSIAN.E 231 



Transvaal, Nelspruit, Barberton ; H. G. Breyer (Hb. Rogers, 

 24019). 



Folia inferiora 3-6 x '5-1 cm., superiora ±2 cm. x2 mm., 

 summa in bracteas inflorescentise + 5 mm. long, transeuntia. In- 

 Horescentia circa 10 cm. long., + 6*5 cm. diam. Pedunculi proprii 

 -fc 1 cm. long., bracteis perpaucis minimis onusti. Capitula 7x7 mm. 

 Involucri phylla 4 mm. long. Corolla? 5 - 5 mm., achaenia 2 mm., 

 pappus 4 mm. long. 



Affinity with S. serratus Sond., which among other features has 

 much larger heads on longer proper peduncles. 



No. 19852 from Premier Mine, Pretoria, is conspecific with this. 



Senecio (§ Leptolobi?) waterbergensis, sp. n. Planta glabra, 



caule bispithameo erecto omnimodo folioso ; foliis radicalibus 



caulinis parvis sessilibus pinnatifidis (segmentis oblongis vel lineari- 

 bus obtusis) inferioribus confertis superioribus sparsis summis immi- 

 nutis in inflorescentias bracteas transeuntibus ; capitulis heterogamis 

 radiatis oo -flosculosis corymbum oligocephalum laxum folia multo 

 excedentem referentibus ; involucri campanulati phyllis fere 30 sub- 

 biseriatis oblongis acuminatis dorso carinatis calyculi phyllis per- 

 paucis anguste linearibus ; ligulis circa 12 exsertis oblongis apice 

 3-denticulatis luteis ; flosculis disci breviter exsertis ; styli ramis 

 truncatis penicillatis ; achceniis cylindricis paucicostatis puberulis ; 

 pappi setis paucis caducis scabriusculis albis. 



Transvaal, Leeuwpoort, Waterberg, 24027. 



Folia inf. pleraque 2-3 cm. long. ; horum segmenta integra vel 

 dentata plerumque 2-5 mm. long. Inflorescentise 10-15 x 4-5 cm. 

 Pedunculi proprii erecti, 5-9 cm. long. ; horum bracteas tenues 1*5- 

 4*5 mm. long. Capitula pansa 7x9 mm. Ligulse 4 mm. long. 

 Disci corolla? anguste infundibulares, 4 mm. long. Achaenia (cruda) 

 1*25 mm., pappi seta? usque 4 mm. long. 



Apparently nearest S. pinnulatus DC, differing chiefly in the 

 broader lobes to the leaves, the long proper peduncles, and the more 

 numerous and acuminate in vomeral leaves. 



Dicoma Kirkii Haw. var. microcephalus, var. nov. A typo 

 abhorret non nisi capitulis minoribus, 2 cm. long., l - 5 cm. lat. 



Transvaal, Talc mine, Barberton; Thomcroft, 1074. 



Centaurea GtOEtziaxa O. Hoffm. Belgian Congo, Sakania, 

 26400. 



ASCLEPTADACE^E. 



Schizoglossum Theileri, sp. nov. Verisimiliter scandens, caule 

 simplici folioso hispidulo-puberulo ; foliis petiolatis lanceolatis acutis 

 basi late truncatis nonnunquam levissime hastulatis membranaceis 

 pag. utravis scabriusculis margine breviter indurateque ciliatis ; 

 umbella unica solum obvia interaxillari pauciflora pedunculata pedun- 

 culo foliis breviore uti bracteaa pedicellique hispidulo insidente ; brae* 

 teis elongatis linearibus ; pedicellis quam flores plane longioribus ; 

 calycis segmentis oblongo-lanceolatis acutis dorso piloso-hispidulis ; 

 corollcB alte diviste lobis cabyce longioribus oblongo-lanceolatis obtusis 

 glabris ; coronce phyllis a corolla breviter superatis linguaeformibus 

 obtusissimis intus carinis 2 elevatis membranaceis percursis addita 



