152 THE JOURNAL OF BOTANY 
we 
the unsatisfactory type-specimen from New Zealand in the Kew 
ollecti 
part of the capillitium and spores. Comparing this specimen with 
the Badhamia, we find a similar dark purple-brown stalk and 
€ same structure and purple-brown colour; what is left of 
eapillitium in the Kew specimen is too scanty and mixed with 
slender, Both of the British species of Hymenophylium were 
e 
sts s r 
Badhamia are coarsely reticulated, while those of Diderma Hookeri 
habit and globose spor has hitherto strongly reticulated 
Spores, and until we obtain a similar form with spore sculpture 
ADHAMIA PoPuLiNa Lister. In October, 1904, we were informed 
by Mr. Petch that this species had appeared on felled poplar trees 
in’ anstead Park, about a mile distant from the spot where it was 
discovered in 1902 (see Journ. Bot. 1904, 129). We visited the ne 
station, and found the Badhamia distributed in large clusters about 
ten feet apart on the bar wo logs; the sporangia were in 
luseum as one of B. 
which he had gathered on white bark, probably poplar, at Chaélons- 
sur-Marne, in October, 1904; the sporangia were much broken, but 
