BOTANY 



EuPODISCACEjfc 



Auliscus sculptus, Ralfs. W.C. 

 COSCINODISCACE^E 



Actinocyclus Ralfsii, Ralfs. W.C. 



sparsus, Rattr. 



subtilis, Ralfs. 

 Brightivellia splendida, Rattr. 

 Coscinodiscus excentricus, Ehr. 



lineatus, Ehr. 



radiatus, Ehr. 

 MELOSIRACEJE 



Lysigenium varians, De Toni. 



Gallionella nummuloides, Bory. 



Melosira Dickiei, Ktltz. 



ochracea, Ralfs. 



orichalcea, Ktltz. 



Roeseana, Rab. 



var. dendroteres, Grun. 



Paralia sulcata, Cleve. 



Podosira Montagnei, Ktltz. 



Hyalodiscus stelliger, Bail. 



HELIOPELTACE.S 



Actinoptychus splendens, Shadb. 



undulatus, Ralfs. 



CHLOROPHYCE^E 



DESMIDIACEJE 



Desmidium cylindricum, Grev. W.C. 



Swartzii, C. Ag. 



*quadrangulare, Ktltz. Penzance 

 Hyalotheca dissiliens, Brb. 



mucosa, Ehr. W.C. 

 Sphaerozosma excavatum, Ralfs. W.C. 



*vertebratum, Ralfs. 

 Onychonema filiforme, Roy & Biss. Chy- 



an-hal 



Gymnozyga moniliformis, Ehr. W.C. 

 Gonatozygon asperum, Cleve. Kerris 



Moor 



Ralfsii, De Bary. W.C. 

 Cosmocladium constrictum, Josh. Treng- 



wainton 



Genicularia Spirotaenia, De Bary. HayJe 

 Spirotaenia condensata, Breb. Penzance 



minuta, Thur. W.C. 



obscura, Ralfs. Penzance 

 Mesotaenium Braunii, De Bary 



parvula, Arch. W.C. 

 Cylindrocystis Brbissonii, Menegh. Bod- 



min 



diplospora, Lund. W.C. 

 Closterium acerosum, Ehr. W.C. 



acutum, Brel). Bodmin, Penzance 



angustatum, Ktltz. W.C. 



attenuatum, Ehr. Penzance 



cornu, Ehr. W.C. 



costatum, Corda. 



Cynthia, De Not. 



Dianas, Ehr. 



didymotocum, Corda. 



(continued) 

 Closterium Ehrenbergii, Menegh. W.C. 



gracile, Br^b. W.C. 



incurvum, Br6b. 



*intermedium, Ralfs. 



Jenneri, Ralfs. 



juncidium, Ralfs. 



Leibleinii, Ktltz. 



linea, Pert. 



lineatum, Ehr. Rough Tor, Penzance 



macilentum, Br6b. Mullion 



lunula, Kitsch. W.C. 



moniliferum, Ehr. 



parvulum, Nag. Bodmin 



pronum, Brb. Mullion 



pusillum, Hantzsch. Penzance 



var. monolithum, Wittr. Gurnard*. \ 

 Head 



rostratum, Ehr. Penzance 



setaceum, Ehr. W.C. 



striolatum, Ehr. 



turgidum, Ehr. Penzance 



Venus, Ktltz. W.C. 

 Penium closterioides, Ralfs. 



didymocarpum, Lund. 



digitus, Breb. 



interruptum, Brdb. ,, 



lamellosum, Br^b. 



margaritaceum, Br^b. Penzance 



navicula, Brb. 



oblongum, De Bary. 



*truncatum, Ralfs. W.C. 

 Tetmemorus Br6bissonii, Ralfs. 



granulatus, Ralfs. 



laevis, Ralfs. 



*penioides, Benn. Mavjgan 

 Docidium baculum, Brdb. W.C. 



*granulatum, Benn. Mawgan 



minutum, Ralfs. W.C. 



siculum. Bodmin 

 Disphynctium annulatum, Nag. W.C. 



cucurbita, Reinsch. 



*curtum, Breb. 



cylindrus, Nag. 



quadratum, Hansg. 



sinuosum, Hansg. ,, 



var. decedens, Reinsch. Penzance 

 Pleurotaenium clavatum, De Bary. W.C. 



Ehrenbergii, Delponte. 



nodulosum, De Bary. Penzance 



truncatum, Nag. W.C. 

 Pleurotasniopsis aculeatum, Ehr. 



Ralfsii, Lund. 

 Xanthidium armatum, Brb. 



Br^bissonii, Ralfs. 



cristatum, Brb. 



fasciculatum, Ehr. 

 Cosmarium abbreviatum, Racib. Crowan 



amaenum, Brib. W.C. 



ansatum, Ktltz. 



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