PAGE 



a. S.W. RIDGE .' 27 



la. Mossless Forest, 7000-7500' (trees 40-50') 27 



2 a, ft. Intermediate Mossy Forest, 7500-8500' (trees 20-40')... 28 



3. Mossy Forest, 8000' (trees 10-20') 29 



1. LAKE BASIN, 7000' 29 



2 a. Intermediate Mossy Forest (trees 40-50') 29 



1/3. Araucaria Forest ... ... ... ... ... ... 31 



3. Mossy Forest 32 



2 j3. Dwarfed Intermediate Mossy Forest (trees 10') 33 



c. SLOPES OF KOEBRE MOUNTAIN ... ... ... ... ... 33 



2 a. Intermediate Mossy Forest, 7000-7500' (trees 30-40') ... 33 

 2 /3. Dwarfed Intermediate Mossy Forest, 7500-8500' (trees 



10-30') 33 



2 y. Shrubberies bordering Crest of Mountain, 8500-9000' ... 34 



B. OPEN "OPPORTUNITY" ASSOCIATIONS ... ... ... ... ... 34 



a. S.W. EIDGE, 7000-8500' ' 34 



Papuan Rest- and Camping-places ... ... ... ... 34 



Small Landslips 35 



b. MARSH BY $ LAKE, 7000' 35 



Sand Pans with running water ... ... ... ... ... 35 



Denser Sedge Growth in Boggy Areas ... ... 36 



Shallow Standing Water 37 



Grass-jungle on Edge of Forest ... ... ... ... ... 37 



c. OPEN SUMMIT OF KOEBRE MOUNTAIN, 9030' ... ... ... 37 



Cladonia Association ... ... ... ... ... ... 37 



PHYTOGEOGRAPHICAL CONCLUSIONS 39 



SOME PLANT ASSOCIATIONS OF THE N.W. COAST 49 



SYSTEMATIC RESULTS 50 



PRINCIPAL BIBLIOGRAPHY 58 



SYSTEMATIC ACCOUNT OF THE PLANTS COLLECTED 59 



1. ARFAK MOUNTAINS ... ... ... ... ... 59 



2. DOREI BAT, ISLANDS TO HUMBOLDT BAY ... ... 185 



EXPLANATION OF THE PLATES 223 



\_The altitudes given are approximate^ 



