lies du Cap-Vert. 



Afr. or.-bor. : Nubie, Schweinf. 571; pays des Gallabat, Schweinf. 102: 



Afr. or,: Abyssinie, Schimp. sect. 2 n. 73l>. 122s, 227S. — distrib.: Arabi 



Species dubiae. 

 I. filiforme Willd. Sp. pi. IV (1806) p. 940. 



I. aristatum Thu.ib. Pro.lr. pi. Cap. iIT'.U) p. 21 et Fl. Capons., ed. 

 I p. 112; (ed. Schu7t.)v.U2. 



« Species enigmatica, verbis 1) d.^rripta » (Hack, in DC. Monog. ^ 

 Andropogon aristulatus Stead. Syn. pi. glum. I (1855) p. 37. 



Obs. Hacked (in DC. Mo 



- csp.'.'ccs dai 



8 ROTTBOELLIA L. - Th. Dur 

 R. Afzelii Hack, in DC. Monog. phan. VI (1 



Afr. occ.-bor. : Sierra-Leone. 

 R. caespitosa Bah. in Journ. Linn. Soc. XX! 



Madagascar, Baron 1001. 

 R. caudata Hack, in />' '. Monog. phan. VI ( 



