Plants Collected in the Percy Sladen Memorial Expeditions. 231 



16. POLYPOGON. 



1. P. monspeliensis, Desf., in PI. Atlant., i., 67. 



Cape : Marshy spots on southern slopes of Pickenier's Pass, 5199. 

 Upper Region : Rock crevices in bed of Holle River, 3974. Nama- 

 qualand : Banks of water furrow at Brakrivier, 3879. 



2. P. tenuis, Brongn., in Duperr. Voy. Coq. Bot., 22. 



Cape : On damp ledges overhanging brakvvater pools, 6094. 

 Upper Region : Damp places in ravines at Loeriesfontein, 4853. 



17. AGROSTIS. 



1. A. bergiana, Trin., in Gram. Unifl. and Sesquifl., 203. 

 Khamiesberg : West of Leliefontein, 6324. 



A. bergiana, Trin., var. glumis mucronatis. 



Cape : Sand banks in Oliphant's River-bed, Kradouw Krantz, 5296. 



2. A. lachnantha, Nees, in Ind. Sem. Hort. Vratisl., 1834, and in 

 Linnaea, x., 115. 



Cape : Roadside between Hottentots' Kloof and Karroopoort, 

 4828. By side of a stream between Ceres and Leeuwfontein, 3231. 

 Between Ceres and Leeuwfontein, 3240. Khamiesberg : River-bed 

 on Khamiesberg Plateau, 6233. Water-edge of small stream on 

 South side of pass between Bowesdorp and Groot Gans, 5819. 



3. A. sp. Nearest A. polijpogonoides, Stapf. 



Cape : Damp spots on edge of Oliphant's River, 5273. 



18. ARISTIDA. 



1. .1. Adscensionis, Linn., in Sp. PL, 82. 



Bushmanland : Sand near river-bed at Dabeep, 6226. Broken 

 ground at Pella, 3557. Great Namaqualand : Dry stream-bed 

 between Dabaigabis and Griindoorn, 3118. Sand near kopjes 

 between Dabaigabis and Griindoorn, 3160. Among quartzite blocks, 

 Akam River basin, 4745. Among rocks near Holoog, 4136. Near 

 stream-bed on stony plains 12 km. West of Sandverhaar, 4625. 

 Sandstone at Sandverhaar, 4674. Near edge of sandy valley North 

 of Sabiesis, 4118. Middle slopes of kopje above pass leading- 

 down to Griindoorn, 3129. By the side of the Railway between 

 Gawachab and Seeheim, 4332. Stream-bed a little West of Ganus, 

 4490. 



