92 MR. D. OLIVER ON THE LORANTHACER. 
some form natural though not always well-defined assemblages of 
species, yet others would be less favoured, and, without a reference 
to geographical distribution, not easy to limit or make out. Geo- 
graphical distribution I conceive to be available only for the arti- 
ficial distribution of species, &c. for convenience of reference, not 
for the higher purposes of study. I have endeavoured therefore 
to be little influenced by it; nevertheless it will be seen that, 
generally, the distribution of the species of each group is compa- 
ratively circumscribed. 
Viscum, L. 
Tt is interesting to note that the species having persistent peri- 
anth-lobes all belong to the aphyllous group, and, excepting perhaps 
one or two from the mainland of Asia, are confined to the Archi- 
pelago and islands of the Indian and Pacific Oceans. 
Q1NALLOA, Korthals. 
I have not seen authentic specimens, but I have no hesitation in 
identifying a few leafy species from the Indian Archipelago, having 
the flowers in axillary or terminal articulated spikes, with this 
genus, which, I apprehend, must be maintained on the ground of 
its free anthers (i. e. not adnate to the perianth-lobes), not cham- 
bered as in Viscum, but either truly two-celled and subdidymous, 
or opening along the connective on the inner face of the anther. 
I have had but few male flowers in a state fit for examination, 80 
that possibly further observation may lead to a modification of the 
generic diagnosis in order that the species which I describe under 
Notothivos may be included in this genus. The Viscum floccosum 
of Mr. Thwaites, with the habit of Ginalloa, has the anthers of 
Notothivos. A second Ceylon species, V. spathulifolium, Thw., 
from its very close resemblance to Malayan specimens of Ginalloa, 
I have little doubt must belong to Korthals’s genus, though T have 
not access to staminate flowers to enable me to decide the point. 
Nororuixos, gen. nov. . 
Viscum cornifolium, Cunningham, V.? subawreum, F. Mueller, 
and P. incanum, Hook., from Eastern Australia, I propose to sepa 
rate generically. They differ from Viscum in habit and in the 
anthers, which are free, more or less reniform, transversely lobed 
by a faint sutural line, and each lobe obscurely chambered as in 
some African species of Loranthus. This transverse chambering 
of the anthers is distinct in W. cornifolius. ` From their minuteness 
in the other species it is with difficulty discernible. In WV. floc- 
