COSffOSIT^ AFRICANJ. NOt^ -211 



circa 5 mm. long. Involucra 7x4 mm.; phj'Ila extima 1-2 mm,, 

 intermedia + 4 mm., intima 6 mm. long., omnia sordide straminea. 

 Corollse albae, immaturse solum visse 4 mm. long. Acliaenia 1 mm. 

 long. ; pappus ext. "4 mm., int. 4 mm. long. 



V. glaberrima Wehv., to which this is nearly allied, has foliage! 

 and heads diverging in several respects. 



Vernonia (§ Strobocaltx) assimilis, sp. nov. (7ff?/7eascendente 

 folioso niolliter tomentello deinde glabrescente ; foliis petiolatis ovatis 

 vel ovato-oblongis apice mucronatis basi rotundatis margine sub- 

 distanter denticulatis denticulis induratis membranaceis supra scabridis 

 subtus dilute fulvo-tomentosis; capitulis circ^ ll-Hosculosiscorymbum 

 poh'cephalum satis com pactum foliis sviba?quilongum tomentellum 

 efficientibus ; involucri tubuloso-campanulati 5-6-serialis phyllis ex- 

 terioribus abbreviatis ovatis acutis interioribus gradatim longioribus 

 ovato-lanceolatis vel lanceolato-oblongis acutis vel obtuse acutis his 

 dilute f ulvo-tomentosis illis pubescentibus ; coroZ/«s exsertis ; acJiceniis 

 cylindrico-turbinatis 10-costatis appresse setosis ; fcqipi setis sub- 

 biseriatis scabriusculis stramineis. 



Belgian Congo, Lafubsu river, mountain slope ; Kassner, 2875. 



Folia pleraque 7-8 X 3"5-4 cm., pag. su]). in sicco fusca ; petioli 

 tomentelli, 8-10 mm. long. Corymbus circa 8x9 cm. Capitula 

 pansa circiter 8x6 mm. Involucri phylla exteriora l"5-2 mm., 

 intermedia 2-0-3 mm., intima usqvie 5 mm. long. Corollse verisimi- 

 liter albai; tubus infundibukris, paplllosus, 5 mm. long. ; lobi lineares, 

 2 mm. long. Styli rami 2 mm. long. Achsenia hucusque cruda 

 2 mm. long., basi leviter callosa ; pappus 5 mm. long. 



Affinity with V. podoGoma Sch. Bip., but with marked divergences 

 in foliage and flowering heads. 



Vernonia (§ Lampropappa) arenicola, sp. nov. Caule ascen- 

 dente lignoso sursum ramoso sparsim folioso arete subtiliterque 

 tomentoso deinde glabrescente ; ,foliis svibsessililjus ovatis obtusis 

 nisi obtusissimis basi obtusis pergamaceis puberulis utrobique eximie 

 reticulato-nervosis glandulis perpaucis lucentibus immersis inspersis ; 

 capitulis 10-flosculosis in corymbos breves pluricephalos tomentosos 

 bracteis foliis similibus sed multo minoribus onustos dispositis ; 

 involucri tubuloso-campanulati tomentosi 4-serialis phyllis oblongo- 

 ovatis obtusis vel acutis ; corollis exsertis ; achceniis cylindrico- 

 turbinatis 5-costatis dense setosis ; pappi setis circa 4-serialibus 

 aliquanto com])ressiusculis breviter barbellatis niveis. — V. ereman- 

 thifolia O. Hoifm. in Baum Kun.-Zamb. Exped. 402 nee ejusdem in 

 Bull. Soc. Brot. xiii. 15. 



South West Africa, on the Longa above Minnesera ; Baum, 711. 



Folia exempl. unici nobis obvii summum 7'5x4"5 cm., alia 

 5-Gx25-fere 3"5 cm., jimiora in bracteas transeuntia 3-8"5 cm. long. 

 Kami patentes, ± 10 cm. long. Bractese vetustiores 1-2 cm. long., 

 ultima? modo 3 mm. Capitula pansa 10 x 12 mm. Involucri phylla 

 exteriora 2-3 mm., intermedia 4-5*5 mm., intima 0"25 mm. long. 

 Corolla infundibularis ; tubus 6'5 mm. long. ; lobi 3 mm. long. 

 Styli rami 2 mm. Achsenia basi callosa, 3 mm. long., 1*5 mm. lat. 

 Pappi sette inter se imequilongie, longit. 1) mm. attingentes. 



p2 



