108 THE JOURNAL OF BOTANY 
it had never been figured. But he had i ba the coloured 
figure in Harvey’s Nereis Australis, tab, xxvii., which represents 
part of the thallus of a specimen from the Falklands collected by 
Mrs. Sullivan, pie in the Royal Herbarium, Kew, where 
there is an original drawing showing the structure, habit, and 
cystocarp. 
11. Prmora conrtuens Reinsch. South CEneNe Scotia Bay, 
Oct. 1903. Three incomplete plants, without fru 
Geogr. Distr. th Geo 
i ie 2 se is eg a and figured by Reinsch (I. c. p. 3876, 
gs. 5-9). s figure of a portion of the frond, being 
jeadedd an one-third its ‘aba size, is not very helpful in determi- 
nation. The figures of the structure, combined with the clear 
diagnosis and remarks, are, however, enough to enable us to 
recognize our plant as P. confluens. Reimsch remarks that the 
‘axillary cell in his specimen has almost disappeared. In our plant 
it is still quite clea 
Leptosarea, n. gen. 
Frons plana, membranacea, simplex aut ramosa Datte tani, 
exserens), Stratis duobus _contexta a: cellulis interioribus _pauc 
lo 
cellulis corticalibus monostromaticis, endochromate denso_ roseo- 
rubro repletis. Fructus et sporangia ignota 
12. L. simplex, n Frons simplex, iano lanceolata, in- 
ferne in stipitem angustatam attenuata, margin sparse undulata, 
14-22 cm. longa (apice incompleta), 1-5—4-0 em. ins 230 p crassa. 
Hab, South Orkneys, shores of Bay OC, No. 248, March 26, 1908. 
at inte e 
margin of the thallus. In pat to see het interior cells it is 
indispensable to examine fresh or pickled material, since in dried 
specimens the whole of this inner stratum is fou nd to be entirely 
crus. and unrecogniz: e d in all our efforts to 
this compressed tissue open out sufficiently even to show whether 
i In dri 
