256 THE JOURNAL OF BOTANY 
Schmitz made R. tenera the type of his new genus Agardhiella 
Some years after his visit to America Harvey visited Australia, an 
he also referred to S. chordalis. We ¢ t find any reference to 
this record in subsequent literature, but the specimens of it, which 
are preserved in the British Museum and the Kew Herbarium, we 
ave no ——, in secnneene as a caleides form of Rhabdonia 
robusta, as indicated above 
Gracilaria Lu nae pi n. Planta fruticulosa, frondibus quo- 
quoversum ascendentibus teretibus divaricato-dichotoma et iterum 
iterumque ramosis, ram ultimis brevissimis subacutis, se 
brevissime furcatis. Color fusco-purpurascens. Cystocarpia et 
tetrasporangia igno 
Farm Cove, Seaney; July, 1901; 4. H. S. Lucas, no. 1. 
The point of attachment is wanting. The fronds are about 
ic 
‘I fancy this will turn out to be new. It is not often to be found, 
and I have not seen it in the Melbourne Herbarium (Sonder’s). It 
gr 
esednd for the younger portions to adhere to panes on ie I 
have only found it in Port Jackson. I am on the look-out for 
" fruit.” 
_ G, Lucasii belongs to J. Agardh’s section Plocaria, and in 
structure is reas related to G. lichenoides, but differs from that 
species in having none of the usneoid habit rb epponep in Turner’s 
Hist. Fuct, tab. 1184, In the latter respect our plant is like 
Harvey’s Gracilaria sp. (Friendly —- no. 36), but differs from 
it in — much oa interior © ulls 
just Tike | ‘eal G. lickonol 
tori De Toni. Bows tany Bay, April, — _ cruciate 
tetrapores al also February, 1905, with cystocarps; A. H. S. Lucas, 
o. 11. 
Whee sending the first specimens of this plant, Mr. Lucas said 
