A HISTORY OF CORNWALL 





NITZSCHIACE^ (continued) 



Nitzschia palea, W. Sm. W.C. 



plana, W. Sm. 



- rostrata, Grun. 



- Sigma, W. Sm. 



var. curvula, Brun. 



- Smithii, Ralfs. 



spathulata, Bre'b. 



vivax, W. Sm. 

 Hantzschia amphioxys, Grun. W.C. 



virgata, Grun. Padstow 



- marina, Grun. 

 SURIRELLACE.S: 



Suriraya biseriata, Bre'b. W.C. 



elegans, Ehr. 



- fastuosa, Ehr. 



var. lata, V.H. 



gemma, Ehr. 



linearis, W. Sm. 



Moelleriana, Grun. Sennen 



ovalis, Bre'b. W.C. 



var. angusta, V.H. 



var. Crumena, V.H. 



var. minuta, V.H. 



var. ovata, V.H. 



var. pinnata, V.H. 



var. salina, V.H. 



robusta, Ehr. 



Smithii, Ralfs. 



spiralis, Ktltz. 



splendida, Kutz. 

 Cymatopleura solea, W. Sm. 

 Campylodiscus parvulus, W. Sm. 



Ralfsii, W. Sm. 



var. pinnatus, Perag. 



Thuretii, Bre'b. 



DlATOMACE^: 



Diatoma elongatum, C. Ag. 



var. tenue, C. Ag. 



hiemale, Heib. 



var. mesodon, Grun. 



obtusum, Kirchn. 

 Odontidium marinum, Grun. Penzance 



MERIDIONACE^E 



Meridion constrictum, Ralfs. W.C. 

 FRAGILARIACE.S 



Synedra affinis, Ktltz. 



var. tabulata, V.H. 



Gallionii, Ktttz. 



pulchella, Ktltz. Penzance 



Ulna, Ehr. W.C. 



var. splendens, Brun. 



Vaucherias, Kutz. 

 Ardissonia crystallina, Grun. 



superba, Grun. 

 Toxarium Hennedyanum, Grun. 



undulatum, Bail. 

 Fragilaria capucina, Desmaz. 



hyalina, Grun. 



var. minima, De Toni. 







FRAGILARIACEJE (continued) 



Fragilaria virescens, Ralfs. W.C. 



Grammonema striatulum, C. Ag. 

 Rhaphoneis amphiceros, Ehr. 



Dimerogramma fulvum, Ralfs. Padstow 



LlCMOPHORACEJE 



Licmophora flabellata, C. Ag. W.C. 



Lyngbyei, Grun. 



ovata, Grun. 



paradoxa, C. Ag. Penzance 



STRIATELLACEjE 



Tabellaria fenestrata, Ktltz. W.C. 



flocculosa, Ktltz. 

 Grammatophora angulosa, Ehr. 



var. hamulifera, Grun. 



marina, Lyngb. 



oceanica, Ehr. 



var. macilenta, Grun. 



serpentina, Ralfs. 

 Rhabdonema Adriaticum, Ktltz. 



arcuatum, Ktltz. 



minutum, Ktltz. 

 Striatella unipunctata, C. Ag. 



EUNOTIACE^: 



Cystopleura argus, Kunze. 



var. longicornis, Grun. 



gibberula, Kunze. 



var. rupestris, Grun. 



ocellata, Brb. 



turgida, Kunze. 



var. Westermannii, Grun. 



Eunotia alpina, Kutz. 



arcus, Ehr. 



diodon, Ehr. 



gracilis, Rabenh. 



major, Rabenh. 



pectinalis, Rabenh. 



robusta, Ralfs. 



Soleirolii, Rabenh. 

 tetraodon, Ehr. 

 Pseudoeunotia biceps, Grun. 



flexuosa, Grun. 



lunaris, Grun. 



var. bilunaris, Grun. 



RmzosoLENiACACffi 



Rhizosolenia styliformis, Brightw. W.C. 

 ISTHMIACE^ 



Isthmiella enervis, Cleve. 



BlDDULPHIACE.ffi 



Biddulphia pulchella, Gray. 



Denticella Mobiliensis, Grun. 



Amphitetras alternans, Bre'b. 



antediluviana, Ehr. 

 Triceratium pileus, Ehr. 



CH ;ETOCER ACEJE 



Chaetoceros armatus, West. 



confervoides, Ralfs. 



didymus, Ehr. 



incurvus, Bail. 

 Syndendrium Diadema, Ehr. 



94 



