Algae and Schizophyceae. 



682 



7400 



Pinnularia [Diatomaceae]. Meister. Rhododiplobia [Ceramiaceae]. Kirk- 



73535. PATRICK. 72042. 



Pirula n. nom. [Ulotrichaceae]. Snow. Rhodomelaceae v. Euzoniella, Lauren- 



75393. cia, Polysiphonia. 



Pithophora [Cladophoraceae]. Col- Rhodophyllidaceae v. Rhabdonia. 



LiNS. 70784. Rhodymeniaceae v. Chrj-symenia, 



Platoma [Nemastoraaceae]. Kuckuck. Fauchea. 



72832. Rhopalodia [Diatomaceae]. Lacsky. 



Pleurocapsa [Protococcaceae]. Set- 72889 ; Meister. 73535. 



CUELL. 75258. Roicosphenia [Diatomaceae]. Lacsny. 



Pleurococcaceae v. Ankistrodesmus, 72889. 

 Chlorella, Diplospbaera, Mycacantho- 



coccus, Oocystis, Pseudotetraedroii, 

 Scotiella. 



Pleiiromastix n. gen. [Clirjsomona- 

 diaeae]. Sctierffel. 75018. 



Pleurosigma [Diatomaceae]. Lacsny. 

 72889. 



Polysiphonia [Rhodomelaceae]. Rigg 

 & Dalgity. 74094. 



Pontosphaera [Coccolithoplioraceae]. 

 LOHMANN. 73210. 



Protococcaceae v. Chodatella, Cysto- 

 coccus, Dicrauocliaete, Haematococcu^, 

 Pleurocapsa. 



Protoderma [Ulvaceae]. Frit8CH. 

 71570. 



Pseudotetraedroii n. gen. [Pleuro- 

 coccaceae]. Pascuer. 74157. 



Roya [Desmidiaceae]. West. 76207. 



Scherffelia n. gen. [Volvocaceae]. 

 Pascuer. 74156. 



Scotiella n. gen. [Pleurococcaceae]. 



pRiTSCii. 71576. 



Scourfieldia n. gen. [Volvocaceae}. 

 West. 76204. 



Sphaerella [Volvocaceae]. Grove. 

 71900. 



Sphaerococcaceae v. Gracilaria. 



Sphaerocodium [Codiaceae]. RoTn- 



PLETZ. 74X10. 



Sphaerocystis [A'olvocaceae]. Fritsch. 

 71576. 



Sphenophycus n. gen. [Incertae Sedis]. 

 RUEDEMANN. 74836. 



Spirogyra [Z3'gnemaceae]. Collins. 



70784; Faber. 7] 361; Kasanowsky. 



Pseudotetraspora [Chlorophyceae]. 72575 ; Pickett. 74307 ; Trondle. 



Gain. 71630. 



Pteridium [Delesseriaceae]. Nieuw- 

 LAND. 73949. 



PtUothamnioii [Ceramiaceae]. Cotton. 

 70840. 



Ralfsiaceae v. Hapterophycus. 



ReinscMella [Diatomaceae]. West. 

 76205. 



Rhabdonema [Diatomaceae]. Brown. 

 70467. 



Rhabdonia [Rliodophyllidaceae]. Ty- 

 son. 75849. 



75791; West. 76204. 



Spondylosium [Desmidiaceae]. West. 

 76207. 



Spongomorpba [Cladophoraceae]. 



Collins. 70784. 



Squamariaceae v. Peyssonnelia. 



Staurastrum [Desmidiaceae]. West. 

 70205, 08. 



Stauroneis [Diatomaceae]. Lacsny. 

 72889; West. 76205. 



Stigeoclonium [Chaetophoraceae]. 



Rliabdosphaera[Coccolitlioplioraceae]. Collins. 70/84. 



LoHMANN. 73210. Struvea [Valoniaceae]. B0rgesen. 



RMzoclonium [Cladophoraceae]. Col- 70230. 



LiNS. 70784. Suriraya [Diatomaceae]. Lacsny. 



Rhizosolenia [Diatomaceae]. Schro- 72889. 



DER. 75133. Surirella [Diatomaceae]. Karsten. 



Rbodochorton [Ceramiaceae]. Hay- 72572; Meister. 73535; Palmer. 



EEN. 71903. 74110 ; West. 70205. 



