188 MR. А. D. COTTON ON CRYPTOGAMS 
are merely fragments. The plant bears a strong resemblance to P. urceolata 
of the Northern Hemisphere, especially in its elongated growth and slender, 
persistently uncorticated branches, which, however, consist of 12-14 instead 
of 4 tubes. 
An examination of Hooker’s specimen of P. atro-rubescens shows that the 
Falkland Islands record of this species is an error, the plant being clearly a 
small example of the present species. 
POLYSIPHONIA FUSCO-RUBESCENS, look. f. et Harv. in Fl. Аш. ii. р. 478, 
tab. 182. fig. 1. 
E. Falklands, Sulivan. 
Disrrip. Falkland Islands. 
A^ rare and little-known plant, and not recorded since the time of Hooker. 
PTERONIA PECTINATA, Schmitz in Engl. § Prantl, Майт. Pflanzenfam. 
Teil i. Abt. 2, p. 452. Dasya pectinata, Hook. f. et Harv. in Fl. Ant. ii. 
р. 482; Harv. Nereis Austral. p. 67, tab. 27. 
Е. Falklands, Hooker. 
Юіѕтків. Fuegia, Falkland Islands, S. Georgia (teste Reinsch), X. 
Orkneys. 
See notes by Mr. & Mrs. Gepp (12, р. 81). 
HanrosrpHoxIA SULIVANÆ, Falk, Rhodomelaceen, p. 315. Polysiphonia 
Sulivanw, Hook. f. et Harv. in Fl. Ant. ii. p. 479, tab. 182. fig. 4. 
E. Falklands, Hooker. W. Falklands ; West Point Island, Vallentin. 
Disrurp. Falkland Islands. 
Bosrrycata HOOKERI, Harv. т Lond. Journ. Bot. iv. (1845) p. 269. 
Stictosiphonia Hookeri, Harv. in Hook. f. Fl. Ant. ii. p. 483, tab. 186. fig. 2. 
E. Falklands; Port William, Berkeley Sound, Hooker; Port Stanley, 
Abbott. W. Falklands ; Roy Cove, Vallentin. 
Disrris. Fuegia, Falkland Islands. 
Several fine tetrasporic specimens were collected by Mrs. Vallentin on 
rocks near high-water mark in the neighbourhood of fresh-water. The plant 
sent out by Hohenacker under this name is doubtful. 
B. vaca, Hook. f. et Harv. in Lond. Journ. Bot. iv. (1845) р. 270. 
Stictosiphonia vaga, Hook. f. et Harv. in Fl. Ant. ii, p. 484, tab. 186. fig. 1. 
E. Falklands ; Port Stanley, Hohenacker. 
Distris. Kerguelen, Falkland Islands (?). 
A small species described by Hooker & Harvey from Kerguelen and 
distributed by Hohenacker (No. 291) from Port Stanley. The Falkland 
