A COMPLETE 
. LIST OF BRITISH SEAWEEDS, 
Containing all the most recent changes of the names of the plants as they 
occur in the works of Dr. Harvey, Professor Agardh, and Dr. J. E. Gray. 
(The old names are in italics.) 
CHLOROSPERMEA. 
Order BULBOCHETACE. 
Ochlochete hystrix. 
Carmichelianum 
(Lyngbya Carmicheelii) 
Spirulina tenuissima. 
Tolypothrix fascicu- 
speciosum (Lyngbya , lata (Calothrix fascicu- 
Order CONFERVACEX speciosa). : | lata). 
Cladophora albida Leptucy-tea pellucida | 
arcta Cladophora pellucida). | 
Balliana aera sen ripariuw | iia ft: ree 
is : ens. 
Brownii ig! ag amphibium 
diffusa flaccum (Lyngbya aka 
falcata fiacca) tomentosum. 
flavescens Vaucheria clavata 
ecg Order Nostocuinex. marina 
—— Monormia intricata. submarina 
Gattye spermosira litorea velutina. 
glaucescens Harveyana. Bryopsis hypnoides 
gracilis SpherozygaCarmichaelii plumosa. 
— Berkeleyana. 
letevirens areal Order ULVACE 
Magdalene ¥ Porphyra laciniata 
Macallana linearis 
nuda Order OscILLATORIACE vulgaris. 
rectangularis Actinothrix Stokesiana Ulva lactuca 
refracta Arthronema  cespitula latissima 
repens (Calothrix ccespitula). linza. 
Rudolphiana hypnoides (Calcothrix Enteromorpha clathrata 
rupestris hypnoides). compressa 
uncialis. Calothrix confervicola cornucopiz 
Chetomorpha erea luteola erecta* 
arenicola pannosa Hopkirkii* 
arenosa scopulorum | intes:inalis 
implexa semiplena. Linkiana* 
linum Lyngbya ferruginea percursa* 
melagonium majuscula. stalfsii* 
sutoria Microcoleus anguiformis ramulosa.* 
tortuosa Oscillatoria insignis (Those marked * are 
Cytophora litorea. littoralis merely varieties of 
Hormotrichum _bangi- nigro-viridis Enteromorpha clath- 
oides spiralis rata.) 
collabens subsalsa Bangia carnea 
Cutlerie. subuliformis ciliaris 
Younganum Rivularia atra elegans 
(The thirteen foregoing nitida fusca-purpurea. 
plants were formerly p-icata. Goniotrichum cerami- 
included in the genus 
Conferva.) 
Schizosiphon Warrenie. 
Schizothrix Creswelli. 
colum (Bangia cera- 
micola). 
