(9i) SCHINZ. BKITRyfiGE ZUR KENNTNIS DER AFRIKANISCHEN FLORA. 387 



Diplachne biflora HACK. 



Perennis. Culmi erecti, 30-40 cm. alti teretes, simplices, scabri, 

 interne dense foliati, basi squamis brevibus tecti. Vaginse teretiusculœ, 

 erectse, scaberulas v. scabrœ, internodiis longiores. Ligula brevissima, 

 truncata, membranacea, glabra. Laminre lineares, sensim acutatœ, infe- 

 riores ad 10 cm. lg., 3 mm. lt., superiores decrescentes, omnes erectae 

 (culmo in statu exsiccato appressae), rigidae, siccitatc subconvolutse, basi 

 in pagina superiore longiuscule barbatae ceterum supra pilis paucis 

 adspersse, utrinque scaberalse margine scabrae, glaucœ, nervis confertis 

 crassiusculis parum prominulis, medio rcliquis parum crassiore. Pani- 

 cula obovata v. obovato-oblonga obtusissima 5-7 cm. lg., densa, patula, 

 livide purpurascens, rhachi ramisque glabris scabris, his (8-12) solita- 

 riis v. binis, simplicibus, a basi floriferis, inferioribus ad 3-4 cm. longis, 

 superioribus decrescentibus. Spiculœ in paniculse ramis subspicatœ, 

 distichae, iinbricatœ, subsessiles, oblongse, Mflorœ addito flore termi- 

 nali imperfecto neutro incluso, 5 mm. longae, a latere compressas, rha- 

 chilla glabra. Glumae steriles subœquales, floribus non v. paullo bre- 

 viores, lanceolatœ, acutœ, carinatae, carina totaque superficie (v. saltem 

 superne) scaberrimae, 1-nerves. Floris inferioris gluma florifera lanceo- 

 lata, acute bidentata, dentibus glumam dimidiam œquantibus, inter den- 

 tés aristula dentibus longiore instructa, carinata, 3-nervis, scabra, 

 superne albo-i)ruinosa, in V 2 inferiore utrinque juxta carinam et ad 

 nervös laterales (margini approximatos) breviter albo-ciliata, callo 

 obtuso obliquo dense barbata; floris superioris gluma florifera praeter 

 callum barbatum glal)ra; palea lineari-oblonga, glumam suam aequans, 

 obtusa, bicarinata, juxta carinas (in parte implicata) interne ciliata. 

 Lodiculae parvae, cuneatae; antherae 2 mm. lg. Styli longiusculi. Stig- 

 mata plumosa. 



Transvaal : Makapansberge, Streydpoort (Rehni. 5386). 



Nulli arctius affinis, spiculis constanter paucifloris, etc., insignis. 



Diplachne pallida HACK. 



Perennis. Culmi erecti, cire. 1 m. alti, 3-4-nodes, teretes, glaberrimi, 

 simplices, foliati. Folia glabra : vaginae arctae, laeves, internodia supe- 

 rantes; ligula membranaceo-hyalina, cire. 3 mm. lg., truncata, glabra. 

 Laminœ auguste lineares, siccitatae subconvolutae, acuminatœ, 10-15 cm. 



