BOTANY 



NAVICULACEJE (continued) 



Navicula cuspidata, Ktttz. W.C. 



dicephala, Ehr. 



didyma, Ehr. 



firma, Ktttz. 



forcipata, Cnw. 



gregaria, Donk. 



Hennedyi, W. Sm. 



var. clavata, V. H. 



humerosa, Brb. 



Iridis var. affinis, V.H. 



lineata, Donk. 



lyra, Ehr. 



maxima, Greg. 



musca, Greg. 



parvula, Eweg. 



placentula, Ktttz. 



var. anglica, Grun. ,, 



prastexta, Ehr. 



pygmata, Kdtz. 



rhyncocephala, Ktltz. Penzance 



serians, Kutz. W.C. 



Smithii, Br6b. 



sphaerophora, Kutz. W.C. 



stauroptera, Grun. Rough Tor 

 Libellus rhombicus, De Toni. W.C. 



Grevillei, Cleve. 

 Okcdenia inflexa, Eulenst. 

 Pleurosigma acuminatum, Grun. 



angulatum, W. Sm. 



var. aestuarii, Brb. 



var. elongatum, V.H. 



var. quadratum, W. Sm. 



arcuatum, Donk. Padstow 



Balticum, W. Sm. W.C. 



decorum, W. Sm. 



distortum, W. Sm. 



formosum, W. Sm. 



Hippocampus, W. Sm. 



intermedium, W. Sm. 



lanceolatum, Donk. Padstow 



marinum, Donk. 



rigidum, W. Sm. W.C. 



Spencerii, W. Sm. 

 Scoliopleura latestriata, Grun. 



tumida, Rabenh. 



Westii, Grun. 

 Rhoicosigma compactum, Grun. 

 Toxonidea Gregoriana, Donk. Padstow 



insignis, Donk. 

 Frustulia Lewisiana, De Toni. 



neglecta, De Toni. 



rhomboides, De Toni. W.C. 



var. Saxonica, De Toni. 

 Schizonema Dillwynii, C. Ag. 



ramosissima, C. Ag. 



Smithii, C. Ag. 

 Berkeleya fragilis, Grev. 



obtusa, Grun. 



parasitica, Grun. 



AMPHITROPIDACE.S: 



Amphiprora alata, Ehr. 



gigantea, Grun. Penzance 



lepidoptera, Greg. Padstow 



maxima, Greg. W.C. 

 Plagiotropis vitrea, Grun. 



CYMBELLACE.S: 



Cymbella aequalis, W. Sm. Rough Tor 



affinis, Ktttz. W.C. 



Cistula, Kirchn. 



var. maculata, Grun. 



cuspidata, Ktttz. Rough Tar 



cymbiformis, Brb. W.C. 



lanceolata, Kirchn. 

 Encyonema caespitosum, Ktttz. 



prostratum, Ralfs. 

 Amphora arenaria, Donk. 



decipiens, Grun. Hayle 



Erebi, Ehr. 



levissima, Greg. Penzance 



marina, W. Sm. 



membranacea, W. Sm. W.C. 



ovalis, Ktttz. 



var. pediculus, V.H. Sennen 



proteus, Greg. 



salina, W. Sm. 



GOMPHONEMACEJE 



Gomphonema acuminatum, Ehr. Sennen 



constrictum, Ehr. 



dichotomum, Ktttz. Penzance 



insigne, Greg. W.C. 



olivaceum, Ktttz. 



parvulum, Ktttz. 

 Rhoicosphenia curvata, Grun. 



COCCONEIDACE/E 



Cocconeis diaphana, W. Sm. 



dirupta, Grev. 



placentula, Ehr. 



scutellum, Ehr. 



AcHNANTHACE.ffi 



Achnanthes brevipes, C. Ag. 



coarctata, Grun. 



exilis, Ktttz. 



longipes, C. Ag. 



minutissima, Kfltz. 



subsessilis, Ktttz. 

 NITZSCHIACE.S: 



Nitzschia acicularis, W. Sm. 



acuminata, Grun. 



angularis, W. Sm. 



angustata, Grun. Padstow 



apiculata, Grun. 



Brebissonii, W. Sm. 



circumsuta, Grun. 



epithemoides, Grun. Penzance 



lanceolata, W. Sm. W.C. 



f. minor, V.H. Padstow 



linearis, W. Sm. W.C. 



macilenta, Greg. 



navicularis, Grun. 



93 



