236 Annals of the Sou tit African Museum. 



4. S. pungens, Kunth, in Rev. Gram., i., 68. 



Cape : Dry river-bed between Bitterfontein and Stinkfontein, 

 5530. Damaraland : Mouth of Swakop River and sand dunes over 

 Walfisch Bay, 3381. 



5. S. Sladenianus, sp. nov., S. ioclado affinis, sed laminis angustiori- 

 bus, nervio medio minus prominente, ramulis paniculae solitariis vel 

 interdum subgeminatis, spiculis angustioribus, glumis subaequalibus 

 differt. 



Perennis, rhizomate obliquo, ortibus sterilibus et reliquiis 

 mortuorum dense vestito ; culmi erecti vel adscendentes, glabri 

 laeves, circa 2-nodi, nodis omnino in vaginis inclusis ('? deinde 

 exsertis), 12-5-20 cm. alti ; vaginae inferiores latae firmae pallidae 

 glabrae laeves ; ligula e fimbria densa capillorum perbrevum 

 composita ; laminae lineares, longe tenuissimeque attenuatae, planae 

 vel setaceo-convolutae, glabrae subglaucae laeves, 2-5-5 cm. longae, 

 0-1-0-25 cm. latae; panicula ovalis, 7-5-15 cm. longa, 5 cm. diam., 

 ramis adscendentibus (ramulis patentibus), solitariis vel subgeminatis, 

 simplicibus per tertiam vel dimidium longitudinis, filiformibus vel 

 capillaribus, strictis vel subflexuosis, laevibus, inferioribus distantibus, 

 ad 7-5 cm. longis, superioribus approximatis, pedicellis lateralibus 

 brevissimis ; spiculae sature griseo-olivaceae, lanceolatae acutis- 

 simae, 0-15-017 cm. longae; glumae subaequales, inferiore ovato- 

 lanceolata acuta, spicula tertio minore, superiore ovata acuta 1-nervia, 

 valva paullo breviore ; valva late elliptica, subacuta 1-nervia ; palea 

 late oblonga, valva paullo breviore; stamina 3, antheris 0-1 cm. 

 longis. 



Great Namaqualand : Sandy plains at Schakalskuppe, 4779. 

 Great Karasberg : High plateau between Narudas Slid and Krai 

 Kluft, 8103. 



Perennial ; rhizome oblique, densely beset with barren shoots 

 and the basal portions of dead shoots ; culms erect or ascend- 

 ing, glabrous smooth, about 2-noded, the nodes wholly enclosed in 

 the sheaths ('? at length exserted), 12-5-20 cm. high ; lower sheaths 

 broad, firm, pallid, glabrous, smooth; ligule a dense fringe of short 

 hairs ; blades linear, tapering to a long fine point, flat or setaceously 

 convolute, glabrous subglaucous, smooth, 2-5-5 cm. long, 0-l-0'25 cm. 

 broad ; panicle oval, 7-5-15 cm. long, by 5 cm. broad, branches 

 ascending (the banchlets spreading), solitary or subgeminate, un- 

 branched from i to I their length, filiform or capillary, straight or 

 subflexuous, smooth, the lower distant, up to 7-5 cm. long, the upper 

 approximate, the lateral pedicels very short ; spikelets dark olive- 



