154 THE FLORA OF NEW ZEALAND. 
that the dwarf forms of Ulex on our heaths are those of Gallii, an 
not of nanus, in which opinion he writes me he is strengthened by 
recent walk over the heath district between Poole and hipaa 
At this ee of bese year, when the flowers. and 1 seeds of both species 
the calyx-bracts 
with a iaptien| i te pedicels of ed flowers, and the relative fee and 
shapes of the standards and wings of the two spec e 
brush-like Eecninal: shoots of U. Gallii do not occur in on 
J. C. Mansen-PLeypE.u. 
P ETON gavanicus Hassk. anp P. TRETocarPus Maxim 
In justice to the late Prof. Maximowicz I — . have added on on 
p- 122 the localities in Japan in which he gathered P. java 
i.é., Simibara, Kuisin; Nippon, and Nagasaki (distributed te a 
the name of P. hybridus Michx.). In a letter from him, a few 
months before his death, he mentions that he my distributed 
to several public herbaria specimens of a Japanese Potamogeton 
under the name of P. tretocarpus, before the receipt “Of a letter from 
me calling his attention to the fact that it was ccobbadite with 
P. maliana Mig. It may be well to give here the references to it :— 
P. lucens L. ; Cuming, No. 1881 (1839) ; Rolfe, Journ. Bot. 1886, 
iP. = Presl ; Epimel. a p. 245! rie 
P. maliana Miq. ; Ill. fl. Arch. Ind. p. 46! 
P. Wrightii Morong ; = Torr. Bot. Club, . 59, p. 158! (1886). 
P. tretocarpus Maximowi ed. 
Maximowicz refers to this plant in Frag. ad fi. As. or. cognit. 
, alay 
Hance, in this Journal (1885, p. 329), me (noticing a plan 
sathated by the Rev. R. H. Graves at Lien-chau), “I hav » Rattle 
doubt that this is identical with the plant referred to by Maximowics 
NOTICES OF BOOKS. 
The Kerns of New Zealand and its immediate Dependencies, with 
directions for their collection and cultivation. By H. C. Frexp, 
London: Griffith, Farran & Co. 1890. 4to, pp. 164, 
Tse re of the present work possesses a thorough, practical 
knowledge of the Ferns of New Zealand. He has lived many years 
in the Osliny, and in following his profession of a civil engineer 
has travelled extensively, and been engaged in surveys and road- 
a He has made ferns a suet of special study, not only in 
their nativ @ localities, in the woods, but also under cultivation in 
