252 



THE VOYAGE OF II. M.S. CHALLENGER. 



one are flowering plants, two are club-mosses, and seven are ferns. The extreme poverty 

 of the flora is probably due to local causes rather than isolation, for the physical conditions 

 are o-enerally unfavourable to vegetation, as is exemplified in Heard Island, especially, 

 where the species are individually poor in numbers. 

 Here follows a table of the vascular plants : — 



Tabular View of the Distribution of the Vascular Plants of Marion Islam!, tlte Crozets, Kerguelen, 



oik/ Heard Islands. 



Xame. 



Ranunculus biternatus, et 



var. crassifolius 

 Ranunculus trullifolius 

 Ranunculus moseleyi . 

 Pringlea antiscorbutica _ 

 ( lolobanthus kerguelensis 

 Lyallia kerguelensis 

 Montia fontana 

 Acsena adscendens 



Callitriche verna . 

 Tillrea moschata . 



Azorella selago 

 Galium antarcticum 

 Cotula plumosa 



Limosella aquatica 



Juncus sclieuchzerioides 



Uncinia compacta . 

 Deschampsia antarctica 



Agrostis magellanica . 



Poa cookii . 

 Festuca erecta 

 Festuca kerguelensis . 

 Lycopodium suururus . 



Lycopodium clavatum, var 



magellanicum . 

 Hymenophyllum tunbridg 



ense B. wilsoni . 

 Cystopteris fragilis 



Lomaria alpina 

 Asplenium obtusatum . 

 Aspidium mohrioides . 



Polypodium vulgare, var. 



Polypodiura australe . 



Marion. 



Totals 



X 

 X 



X 

 X 



X 

 X 



X 

 X 



Crozets. 



Kerguelen. 



X 

 X 

 X 



X 

 X 



X 

 X 

 X 

 X 

 X 

 X 

 X 



X 

 X 



X 

 X 

 X 



X 



X 



X 

 X 



X 



X 

 X 

 X 



14 



X 

 X 



L'7 



Heard. 



X 

 X 



General Distribution. 



Tristan 

 Island. 



da 



Fuegia ; Falkland: 

 Cunha ? Amsterdam 



Fuegia ; Falklauds. 



Endemic. 



Endemic. 



Endemic. 



Endemic. 



Generally diffused. 



New Zealand ; Macquarie Island ; 

 Fuegia ; Falklands. 



Widely diffused. 



New Zealand ; Lord Auckland and 

 Campbell Is. ; Falklands ; Fuegia. 



Fuegia ; Macquarie Island. 



Fuegia ; Falklands. 



Lord Auckland, Campbell, and Mac- 

 quarie Islands. 



Fuegia ; New Zealand, and very 

 widely dispersed. 



Fuegia ; Falklands ; Lord Auck- 

 land and Campbell Islands. 



Tasmania : New Zealand. 



Fuegia ; Falkland Islands ; Shet- 

 lands. 



Chili; Fuegia; Falklands; Camp- 

 bell Islands. 



Endemic. 



Fuegia ; Falklands. 



Endemic. 



Widely dispersed in SouthAmerica, 

 and occurring in West and South 

 Africa. 



\\ 'idcly dispersed, including New 

 Zealand and South America. 



Very widely dispersed, including 

 New Zealand. 



General in temperate regions, 

 though wanting in many of the 

 oceanic islands. 



All round the south temperate zone. 



All round the south temperate zone. 



California : Chili; Fuegia; Falk- 

 lands ; Amsterdam Island. 



North temperate zone ; Hawaii ; 

 South Africa. 



Generally diffused in the south 

 temperate zone. 



