62 PLANTS FROM NEW CALEDONIA, 
TRENTEPOHLIACEÆ. 
TRENTEPOHLIA AUREA (L.) Mart. Mont Mou; inerusting rocks in slight 
shelter. 612. Europe, America, New Zealand, Sumatra. 
T. viLLosA (Kütz.) De Toni. Ermitage Stream; in pendent tufts on 
dead trunks over stream. 193. Not common. Brazil, West Indies, 
Sumatra. 
T. DIALEPTA (Nyl.) Hariot, Schmidle, Alg. aus Neu-Guinea, 1897, p. 306. 
Ermitage Stream ; bright green spongy masses and small brackets projecting 
from twigs and branches over stream. 151. New Guinea. The thalli were 
somewhat smaller than those described by Schmidle from New Guinea, being 
at the most 3 cm. in diameter, and the plates only 1 mm. thick. The fungal 
hyphæ in the wall of the alga were clearly visible with fairly high magnifica- 
tion, and occasionally spores were produced in connection with the hyphæ. 
Apothecia, however, were not present, neither was the alga itself fruiting. 
PT. POLYCARPA Nees & Mont. Mont Koghi; forming an orange filamen- 
tous covering to serpentine rocks in a stream-course. 757. (Probably this 
species, but owing to absence of reproductive cells, exact identity uncertain.) 
CEPHALEUROS VIRESCENS O. Kuntze (Mycoidea parasitica Cunn, ; Strigula 
complanata Fée). 563. On leaves. America, India, Java. 
APHANOCHÆTACEZÆ 
APHANOCHÆTE HYALOTHECÆ *Hansg., var. MUCICOLA Schmidle in Weit. 
Beitr. Alg. Rheineben &e. 1895, p.67. Canala; from washings of Azolla sp. 
in ditch. 1359. On Hyalotheca dissiliens. The plants bore large oval 
oospores, bnt no antheridia were observed. . Germany. 
COLEOCH ATACE A. 
COLEOCHÆTE ORBICULARIS Pringsh. Mont Canala. On hairs of fallen 
plant in sluggish stream, 1242. Europe, America, New Zealand. 
ZYGNEMACE E. 
MovaEoTrA SCALARIS Hass. Plaine des Lacs; in shallow rain pools, 338. 
Europe, America, Australia. 
Sterile species of Mougeotia occurred in Nos. 338, 384, 809, 1356, 1359 
1986, 2411. 
ZYGNEMA PEOTINATUM (Vauch.) Ag., var. pecussatum (Vauch.) Kirchn. 
Forma conjugatione laterali. (Text-fig. 1, H & I.) Crass. fil. veg. 13-16 p ; 
diametro 5-plo longioribus ; diam. zyg. 30-35 u. 
Plaine des Lacs; in shallow rain pools. 338. Rivière du Carénage ; 
on rocks in stream. 384. Europe, America. This alga agrees almost 
