1954] 



PLANTS COLLECTED IN NYASALAND 



113 



A. schirensis Hochst. ex A. Rich. Tent. Fl. Abyss. 2: 456. 1851; Stapf in Prain, 

 Fl. Trop. Afr. 9: 246. 1919. 



A. congoensis Franch. Bull. Soc. Hist. Nat. Autun 8: 325. 1895 (Contr. Fl. Congo 

 Franc;. 17. 1896). 



Zomba District: Zomba Plateau, frequent in Bracbystegia woodlands, 1430 m., 

 iMay 30, 1946, 16100. Widespread throughout tropical Africa. 



Andropogon sylvaticus C. E. Hubbard, Kew Bull. 1949: 371. 1949. 



Species a A. pseudoschinzii Stapf vaginis pilosis, ligulis auriculis et aristis 

 brevioribus, laminis latioribus, internodiis rhacheos et pedicellis pilis longioribus 

 ciliatis, spiculis longioribus differt. 



Gramen perenne, caespitosum, J -1.3 m. altum; innovationes extravaginales; 

 gemmae et bases culmorum cataphyllis latis brevibus coriaceis striatis inter 

 strias appresse pubescentibus ceterum glabris obtectae. Culmi erecti, graci- 

 liusculi, teretes, usque 2 mm. diametro, rigidi, 8-9-nodes, inferne simplices, su- 

 perne sparse ramosi, glabri, laeves, internodio supremo (pedunculo) gracillimo. 

 Foliorum vaginae internodiis longiores, plerumque arete appressae, teretes, firmae, 

 pilis mollibus laxe pilosae, vel inferiores glabrescentes, apice auriculatae, auri- 

 culis erectis angustis usque 3 mm. longis ligulae adnatis; ligulae emarginatae, 

 usque 3 mm. longae, firme membranaceae; laminae anguste lineares, basi angustae, 

 in acumen tenuissimum longe attenuatae, usque 35 cm. longae et 6 mm. latae, pla- 

 nae vel siccitate convolutae, sparse pilosae vel glabrescentes, supra nervosae, 

 nervis minutissime hispidae vel scaberulae, marginibus scabridae, costa media 

 gracillima. Racemi bini, circiter 8 cm. longi, graciliusculi, stricti vel leviter cur- 

 Vati, purpurascentes, villosi, alter sessilis, alter base gracillima 8-10 mm. longa 

 leviter pubescente vel puberula fultus; internodia rhacheos et pedicelli aequales 

 vel fere aequales, 5-6 mm. longi, lineari-obcuneati, pilis albis usque 3 mm. longis 

 dense ciliati, apice oblique cupulati et emarginati vel minute dentati. Spiculae 

 sessiles a latere valde compressae, a fronte visae lineares, 7.5-8 mm. longae; 

 callus brevissimus, pilis usque 1.5 mm. longis dense barbatus. Glumae su- 

 baequales; inferior a dorso visa lineari-lanceolata, apice angustata, explanata 

 oblonga et apice emarginata vel minute bidentata, dorso profunde canaliculata, 

 praeter carinas 4-6-nerves coriaceas enervis et translucens, carina superae 

 setuloso-ciliata, inferne glabra et laevis; superior navicularis, supra medium ca- 

 rinata, explanata ovata et obtusa vel minutissime biloba, scariosa, marginibus 

 ciliolata, carina apicem versus scabrida, ceterum glabra, 3-nervis, apice aristata, 

 arista stricta vel flexuosa tenuissima usque 5 mm. longa. Anthoecium inferum: 

 lemma lanceolato-oblongum, obtusum, glumis paullo brevius, tenuiter membrana- 

 ceum, hyalinum, 2-nerve, marginibus ciliolatum. Anthoecium superum: lemma eo 

 anthoecii inferi fere aequilongum, ovato-oblongum, acute bilobum, tenuiter membra- 

 naceum, hyalinum, 3-5-nerve, marginibus ciliolatum, aristatum; arista usque 15 

 mm. longa, minute scaberula, geniculata, columna usque 6 mm. longa. Spiculae 

 pedicellatae elliptico-oblongae, acutae, 7-8 mm. longae, dorso compressae. Gluma 

 inferior chartacea, 13-17-nervis, carinis setuloso-ciliata, dorso praecipue mar- 

 gines et apicem versus scaberula, apice aristata, arista stricta vel curvata tenuis- 

 sima minute scaberula usque 5 mm. longa; gluma superior elliptico-ovata, 3*5" 

 nervis, membranacea, marginibus ciliolata, apice breviter aristata (arista usque 3 

 mm. longa) vel mucronata vel mutica. Lemmata oblonga, acuta, tenuiter membrana- 

 cea, hyalina, mutica^ marginibus ciliolata; inferum 2-3-nerve; superum 3-5-nerve. 

 Antherae 3 mm. longae. 



Zomba District: Zomba Plateau, common perennial clump grass of Bracbystegia 

 woodlands, 1430 m., May 30, 1946, 16098, 



