mOM THE CAPE OF GOOD HOPE. 239 



Chloeococcu3I AmicAifUM, spec. nov. C, e maximis, cellulis 



singulis sphajricis colore intensive aurantiaco-fuscescente ; cytio- 

 dermate extrorsum distincte subtilissime lamelloso ; cytioplas- 

 mate subtiliter granuloso (plerumque cellulis filialibus ? 4-is mi- 

 noribus dispersis inclusis). Diam. cellular. 0'118-0'141 millim. 

 Crassit. cytioderm. 0'0028-0'0041 millim. Inter Lynghyas cdru- 

 ginos(B^ var., caespites in cellulis numerosis. 

 Salt river. On mud when the tide is out. 

 ^^ Ex omnibus hucusque cognitis Chlorococcis maxima species. 



Chlorococcum TVimmeri^ Eabenh. {Protoccoccus Wimme7n^ Hilse, 

 in Eabenh. Algae Europse, Nr. 1031), proxima species (maxima 

 hucusque cognita), cellulis intensive coccineo-aurantiacis (dia- 

 metro 0-0504"0'0615 millim.), cytiodermate crassissimo plurila- 

 melloso, in fodinis margaceis periodice aqua repletis in Silesia a 

 clar. Hilse detectum, differt ab hac specie nova cellulis duplo 

 minoribus, cytiodermatis structura diversa ac cytioplasmatis 

 diverso colore. Cytioderma exterius cellularum componitur ex 

 stratis binis distinctissime liraitatis substantia interposita hja- 

 lina subtilissime lamellosa. Cytioderma exterius G. Africani ex 

 strato uno componitur lamellulis subtilissimis interpositis. 



BoTRrococciJS giga:s'T£US, spec. nov. B. libere natans, thallo 



subellipsoidico inlateribus omnibus clauso, cellulis prismaticis sub- 



cuneiformibus apicibus late obtuse rotundatisarctissimese adtin- 



gentibus, cytiodermate crasso (in latere exteriore cellularum paulo 



incrassato), cytioplasmate granulis dense repleto. Longit. thalli 



0-218 millim. Latit thalli 0-163 millim. Longit. cellul. 00278 



millim. In speciminibus singulis inter Bpirogyram insignem. 



In the fountain at Government House. 



Hie Botryococcus a B. Braunii cellulis prismaticis dimensioni- 



4. bus cellularum duplo majoribus sat distincta species. 



Pediastuum: pertitsum, Kutzing. 8-clathratum. Coenobia 

 singula cellulis secundum ordinem 1, 5, 10, dispositis, cellulis 

 marginal ibus usque infra medium longitudinis cellulae incisis, 

 cornulis rectis. Inter Spirogyram insignem. 



In the fountain at Government House. 



Palmoglcea mackococca, Kutzing. Latit. cellular. 0013- 

 001G8. In massulis parvulis in Jungennanniis et in filis Ohroo- 



Inter radiculas Biccia, 



t 

 i 



lej)i Montis Tabula?, sp. n., adhaerentibus. 



Kloof 



