CALIFORNIAN HYPOGHOUS FUNGI, 897 
enrich the flora of Lough Neagh shores. The rock roses are not so 
undesirable as Mr. Marshall seems to think; I myself have been 
requested, when going west, to bring back roots for cultivation. 
As for Sedum album and 8S. oe they have, so far as the 
north of Ireland is concerned, no claim whatever to be acnainiiia 
native. The ‘amiable lunatic” = plants rare or exotic species 
is not a all scarce. On the contrary, one has a continual struggle 
rought from Downpatrick, flourishes in our bog meadows; Lim- 
nanthemum and Acorus in the Lagan Canal. These are as firm 
established and look as native as could be desired.—S. A. Srewart. 
NOTICES OF BOOKS. 
eal reen Hypogaous Fungi. hanger eo of the California 
Academy of Sciences. 3rd Ser. Botany. Vol. I., No. 8. 
San Francisco. 1899. 
Tuts is one of the series of valuable pie om papers we are 
now accustomed to receive from ou ur frien n No merica, and 
Vv 
different from the positions peculiar to Kurope that any piece of 
earnest work’ is bound to be hana in good results. For the first 
time, as far as we are aware, we have in these fifty pages and four 
large roped plates, filled ‘with beautifully drawn and coloured 
The 
ground songt Soper to both the 
and is remarkable for the number a tain kerr new genera 
th 
and species found — ese families. We say ‘apparently 
sound,’ for at the sent time, more than ever before, biologists 
differ greatly i in oo estimates of the value of generic and specific 
characters. In fac would seem to be the conclusion now arrived 
at that few he ete have entire permanence either in the 
animal or vegetable kingdom 
For the sake of comparison with the British Flora we may say 
that, whilst we have only twelve species of Hymenogaster in Britain, 
nineteen are here or from California, seven of which are new. 
We have two species 0 aang whilst three, and all new, 
have been detected in California. Of Octaviana we have only oe 
to the nine of California, five of the latter new. To Berkeley's tw 
British species of Hysterangium nine are recorded from California 
four being new; and in like” manner additions are made to other 
