66 PLANTS FROM NEW CALEDONIA. 
COSMARIUM TRILOBULATUM Reinsch. Plaine des Lacs. 338. Europe, 
New Zealand, Africa, Brazil. 
C. SUBTUMIDUM Nordst., var. Kressn (Gutw.) W. & G. S. W. River 
Dumbéa ; amongst other algæ in rock pools. 809. Europe. 
C. arcroum Nordst. Plaine des Lacs. 338. Europe, New Zealand. 
C. MExEaniNI Dréb. Plaine des Lacs. 338. Mont Canala; in sluggish 
stream. 1242. Ubiquitous. 
C. DIFFICILE Lütk. River Dumbéa ; amongst other alge in rock pools. 
809. Europe, United States. 
C. Cucursira Dréb. Rivière du Carénage. 384. Europe, Singapore, 
Australia, Africa, America. 
C. TURGIDUM Breb. Canala; in washings of Azolla sp. in diteh. 1359, 
638. Europe, Japan, Australia, New Zealand, Patagonia. 
C. SUBTURGIDUM (W. B. Turn.) Schmidle. Canala; in ditch. 1359 (and 
forma MINOR Schmidle). 638. India, Malaya, Australia, Africa. 
C. QUADRIFARIUM Lund. Plaine des Lacs. 338. (Forme hewasticha 
(Lund.) Nordst. and octasticha Nordst.) Europe, Ceylon, Java, New 
Zealand, S. America. 
C. Wirrrocku Lund. River Dumbéa. 809. Plaine des Lacs, 338. 
Europe, Siam, Patagonia. 
C. PUNCTULATUM Breb. Canala; in ditch. 1359. Europe, China and 
Japan, India, Malaya, Australia, New Zealand, Africa, America. 
C. BINUM Nordst., var. ANGUSTATUM, var. n. (Pl. 4 fig. 10.) Var. cellulis 
diametro fere duplo longioribus, semicellulis truncato-pyramidatis, crenis 
lateralibus inferioribus singulis tantum granulis præditis, superioribus 
emarginatis. Long. cell. 544 ; lat. 29a. hiver Dumbéa. 808, 809. 
C. CUCURBITINUM (Bisset) Lütk. (Pentium cucurbitinum Biss.), var. 
SUBPOLYMORPHUM Nordst. Riviere du Carénage. 384. Austria, New 
Zealand. 
C. CRUCIFERUM De Bary. Plaine des Lacs. 338. Eurone, New Zealand, 
Africa, United States. 
