(83) SCHINZ. BElTRiBGE ZDB KENNTNIS DER AFRIKANISCHEN FLORA. 379 



binervem fioremque cf : IV a spiculam subaequans, ovali-oblonga, obtu- 

 siuscula sed minute apiculata, kevissima. albida, demum fucescens, 

 obsolete 5-ncrvis; palca huic similis, obtusa, 2-nervis. Caryopsis oblonga, 

 obtusa, dorso subconvexa, albida. 



Transvaal : Pretoria, Kuduspoort (Rehm. 4697), Bosliveld inter 

 Elandsriver et Klippan (R. 5123), HoggeVeld inter Porter et Trigards- 

 i'ont. (II. 6614), Donkcrshœk (6552). 



Affinis P. colorato L., quod differt radice perenni, laminis scabris, 

 vaginis saepius tuberculato-pilosis, panicula densiuscula, spiculis in 

 ramulis tertianis subimbricatis, subterininalibus breviter pedicellatis 

 gluma I ma V» spieulae aequante. 



Setaria perennis HACK. 



Perennis, dense caepitosa, innovationibus extravaginalibus basi vagi- 

 nis vetustis dense tunicatis. Culmi erecti, graciles, 20-40 cm. alti, sub- 

 compressi, glaberrimi, 2-3 nodes. simplices. Vaginae teretes, arctae, 

 internodiis longiores, glabrae v. laxe pubescentes. Ligula minute ciliaris. 

 Lauiinœ anguste lineares, acuminatae, saepe setaceo-convolutae, 5-7 cm. 

 longae, erectae, rigidulae, pilis patenteras adspersae v. supra hirsuta?, 

 nervis paucis crassis. Panicula spiciformis cylindracea, densissima, 

 2-4 cm. longa, rhachi puberula, spiculis in singulis pedicellis (spicula 

 pluries brevioribus) singulis, involucro pluriseto, setis (6-8) spicula 

 duplo (exceptis 2 ea paullo) longioribus deorsum scabris livide violas- 

 centibus porrectis. Spieulae ovato-lanceolatae 3 mm. longae, pallidae, 

 glabrae : gluma I ma spiculam mediam subaequans, late ovata, obtusius- 

 cula, 3-nervis; II ,,a spicula paullo brevior, late ovata, acutiuscula, 5-ner- 

 vis; III a spiculam aequans, late ovata, in apiculum contracta 5-nervis, 

 paleam floremque tf fovens; IY a spiculam subaequans, elliptica apicu- 

 lata, valde convexa, rugis transversis elevatis subreticulatis, obsolete 

 5-nervis; palea huic similis 2-nervis. 



Transvaal : Pretoria , Kuduspoort (Rehm. 4698) ; Makapansberge, 

 Streydpoort (id. 5385). 



Ab omnibus speciebus austro- africains differt rhizomate perenni, 

 foliis setaeeis; a speciebus perennibus austro-americanis differt foliis 

 setaeeis, panicula sequali angusta. 



