294 Beiträge zur Flora von Afrika. XL. 



B. Bracteae obscurae (obscure fuligineae — nigri- 

 cantes). 



a. Scapus gracilis (ad 0,5 mm crassus). Spica 

 pauciflora, fusiformi — anguste obovoidea v. 

 turbinata. 



a. Folia plana. Spica 4 — 5 mm longa, 



bracteis fuligineis, margine pallidioribus, 



infimis acutiusculis. Sepala lateralia 



tota stramineo-subhyalina, carina sal- 



tem superne omnino exalata .... 20. X. multicaulis N. E. Brown 

 ß. Folia subfiliformia. Bracteae spicae 



castaneae — nigricantes, margine vix pal- 



lidiores, infimae apice rotundatae v. 



leviter emarginatae. Sepala lateralia 



dorso ferruginea (v. rubricosa) — ca- 



stanea. 



* Spica 6 — 8 mm longa, bracteis ob- 

 scure castaneis— nigricantibus, paul- 

 lum cochleatis. Sepala lateralia 5 — 

 6 mm longa, usque 1 mm lata, anguste 



lanceolata, ala carinali angusta . . 21. X. makuensis N. E. Brown 

 ** Spica 3 — 4 mm longa, bracteis casta- 

 neis, intermediis superioribusque val- 

 de cochleatis. Sepala lateralia cir- 

 citer 2,5 mm longa, vix 0,3 mm lata, 

 linearia, ala carinali fere nulla ... 22. X. parvula Malme 



b. Scapus crassiusculus (circiter 1 mm crassus 

 v. crassior). Spica satis multiflora, ob- 

 ovoidea v. demum subglobosa. (Folia 

 plana. Sepala lateralia superne alato- 



carinata) 23. X capensis Thunberg 



2. Bracteae spicae area dorsali cinereo-viridi, con- 

 spicua notatae, pallidae. (Scapus compressus 

 s. anceps. Folia lata) 24. X. anceps Lamarck. 



1. X. decipiens N. E. Brown in Thiselton-Dyer, Flora capensis VII. 

 (1897) 3. — Caespitosa, basi vaginis aphyllis satis numerosis induta. Folia 

 plana, linearia, usque 35 cm longa, 3 — 7 mm lata, acuta, parce indistincteque 

 nervosa, glabra, in sicco leviter rugulosa, aciebus acutis, nervis margina- 

 libus haud incrassatis, in vaginam abeuntia usque 9 cm longam, satis arctam, 

 ligulatam, opacam, inferne ferrugineo-fulvescentem, eciliatam. Scapi usque 

 75 cm alti, 2 mm crassi, subteretes, costati, costis vulgo 8, acutis, basi 

 vagina aphylla breviter mucronata, usque 15 cm longa, inferne castanea 

 nitidaque circumdati. Spica multiflora, ovoidea v. obovoidea, 10 — 18 mm 

 longa, 7 — 9 mm crassa; bracteae infimae ovatae, 3 — 4 mm longae, 2,5 — 

 3 mm latae, margine saepe longeciliatae, intermediae obovatae, 6 — 7 mm 

 longae, circiter 5 mm latae, margine saepe paullulum laceratae, omnes fulvo- 

 ferrugineae v. dilute castaneae, nitidae, area dorsali conspicua, cinereo-viridi, 

 leviter rugulosa, ovato-lanceolata, 1,5 — 2 mm longa ornatae. Sepala late- 



