Contributions to Our Knowledge of the Freshwater Algae of Africa. 
7 
332. Scrapings off wood and stone, near homestead, Kentani, about 
1200 ft., May 2, 1915. (Pleurococcus vulgaris, Hormidium flaccidum.) 
333. Marshy ground, Kentani, 1200 ft., May 1, 1915. (Diatoms only.) 
334. Marshy ground, Kentani, 1200 ft., May 1, 1915. (Oedogonimn sp.^ 
Vaucheria sp., Glosterium spp., Trihonema homhycinum f. minor, and 
Diatoms.) 
335. Exposed clear running stream, Kentani, altitude 1200 ft., May 5,, 
1915. (Oscillatoria suhtilissima, Nostoc sp. {yerrucosum'^) Galothrix sp.) 
336. Sheltered marshy spot, Kentani, about 1200 ft., May 2, 1915. 
{Glosterium spp., Gosmarium quadrum forma, Sjpirogyra sp., Oscillatoria 
tenuis, Chantransia chalyhea, and Diatoms.) 
337. Stagnant pool, near stream, Kentani, 1200 ft.. May 24, 1915, 
{Glosterium moniliferum, Synedra ulna.) 
338. Open vlei near G-ogwana mouth, July, 1915. (Sphaerocystis 
schroeteri, Ulothrix suhtilissima, Glosterium spp., Sjpirogyra subreticulata 
n. sp., Ophiocytium spp., Phacus spp., Eunotia lunaris, Fragilaria sp., and 
other Diatoms.) 
339. The same, epiphytes on Nitella and other water-plants. (Similar 
to 338, but with Pleurococcus dissectus, Bulbochaete sp.) 
340. The same. (Similar to 338, but with Trochiscia stagnalis, Euglena 
sp.) 
341. Slow-running stream, near Grogwana mouth, July, 1915. (Oedo- 
gonium sp., Gosmarium meneghinii, and Diatoms.) 
342. Sheltered mouth of slow stream near Gogwana mouth, July, 1915. 
(Oedogonium sp., Trihonema homhycinum f. minor, Synedra spp., and other 
Diatoms.) 
343. The same, on dead leaves. {Goleochaete orbicularis, and a few 
Diatoms.) 
344. Trickle of water on road, passing through small wood, N'quamakwe, 
2500 ft., June 27, 1917. {Vaucheria sessilis f. repens, Spirogyra sp., 
Synedra spp., Achnanthes spp., Surirella sp., etc.) 
345. Scrapings from side of tank, containing spring-water, N'quamakwey 
2500 ft., July 5, 1917. {Ghlorococcum sp. (? Fig. 1), Pediastrum tetras 
var. apiculatum n. var., Oocystis rupestris, Scenedesmus hijugatus, Ulothrix 
variabilis, Gosmarium spp., Schizothrix calcicola, Galothrix sp., and Diatoms.) 
346. Roadside puddle formed by drying surface spring, N'quamakwe, 
2500 ft., July 5, 1917. {Glosterium pritchardianum forma, G. pseudolibellula 
n. sp., Trihonema homhycinum f. minor, Oscillatoria geminata, Eugle7ia sp.) 
Previous records for South Africa are given under the individual 
species. The number of new records for South Africa in the present 
communication is seventy-two. 
