The Freshwater Algae of Africa. 485 



E. P. Phillips). (Spirogyra sp., Osdllatoria amphibia, Ulothrix 

 variabilis, various Desmids, Navicula anglica, Euglena oxyuris.) 



4. The same. (Oedogonium sp., Vlothrix gelatinosa n. sp., species 

 of Scenedesmus, Navicula interrupt a, and numerous other species of 

 the genus in less abundance, Nitzschia spp., Euglena oxyuris, and 

 species of Trachelomonas.) 



5. Stagnant pool, shaded by overhanging bush, Camps Bay. March 

 1st, 1908 (coll. E. P. Phillips). (Vaucheria geminala, Anabaena 

 inoeunalis (?), Osdllatoria tenuis, Lyngbya Jeuetzingii var. distineta, 

 Spirulina major, species of Glosterium, Pleurotaenium ovatum and 

 P. ehrenbergii, Pinnularia major and P. distinguenda, diverse species 

 of Navicula ami Nitzschia, Trachelomonas hispida. ) 



6. The same, but Algae from green film over mud at bottom of 

 pond. {Osdllatoria tenuis and 0. formosa, Anabaena oblonga, Spiru- 

 lina major. Cylindrospermum alatosporum n. sp., same Diatoms as in 

 5, together with Mastogloia smithii and M. grevillei.) 



7. Green frothy scum on surface of water in a rather large hole 

 in the bed of a small mountain stream, otherwise quite dry, well 

 shaded by a large rock and surrounding bushes ; in a deep valley 

 on the Twelve Apostles, about 2000 ft. alt. March 8th, 1908 (coll. 

 E. P. Phillips) (Euastrum capense n. sp., Gosmarium punctulatum, 

 Xanthidium brevispinum n. sp., a few species of Navicula ). 



8. On a sloping rock over which the water trickled rather swiftly 

 (water from pool from which sample 9 was collected), a soft flocculent 

 mass, position exposed to sun for greater part of day. Orange Kloof, 

 below Tunnel Door, about 2000 ft. alt. (Table Mt,). March 8th, 1908 

 (coll. E. P. Phillips). (Tribonema bombycinum, Vlothrix variabilis, 

 Mougeotia sp., Scenedesmus bijugatus, Ecballocystis ramosa n. sp., 

 Cosmarium capense var. minor. Spondylosium pygmaeum var. capensis, 

 Staurastrum hexagonal e n. sp. and H. punctulatum, also other Desmids, 

 Eunotia bicapitaia , Navicula rhomhoides and var. saxonica.) 



9 and 10. In running water, on a flat rock, in a place where the 

 water widened out into a shallow pool, same locality as 8. ( Tribonema 

 bombycinum. Ulothrix variabilis, Bulbochaete sp., much the same 

 Desmids and Diatoms as in 8.) 



11, 12, and 13. From a mountain spring in a hollow, forming a 

 small pond, thickly overgrown with a water- weed, Orangezicht, above 

 Cape Town (300 ft,). March 24th, 1908 (coll. E. P. Phillips). Micro- 

 spora pachyderma, Microthamnion strictissimum, species of Trachelo- 

 monas, Phacus, and Lepocinclis.) 



14. Pond in Municipal Gardens, Cape Town, growing on stems and 

 petioles of Limnanthemum indicum, Thw. April 13th, 1908 (coll. 



