28 THE JOURNAL _0F BOTA>^V 



science is small" sufficiently explains the limitations of the volume 

 from a botanical point of view : botanists, however, will have to 

 consult it, not only on account of the interest attaching to the forms 

 here described and published, but because certain names, if we are 

 not greatly mistaken, are here printed for the first time under the 

 genus and will have to be cited from this work. Of this we had 

 noted numerous examples : it will however be sufficient to cite three — 

 Mhododendruii glandulosum {TherorJiodloti glandidosum Standley), 

 R. prunifolimn and R. austrinum, both placed under Azalea by 

 their first describer, Mr. S. K. Small. It will also be necessary to see 

 whether certain species are not here first described — e. g. R. sino- 

 lepidotum Balf. et Forrest, for which no reference is given. It 

 would indeed have been well had the proofs been submitted to a 

 botanist, as in certain details — e. (j. in the references — thei'e is room 

 for improvement. 



Possibly we may have overlooked it, but we have not observed any 

 reference to the Khododendron walk at Kew — far too little known to 

 Londoners — ^which aftords to those who cannot, as Mr. Millals has 

 done, visit the great collections in various parts of the country, 

 notably in Cornwall, a fairly adequate notion of the beaut3^ and 

 variety of the genus — qualities which are fully demonstrated in 

 Mr. Millais's handsome volume. 



Jilusel Barcinonensis Scientiarum NaturaUum Opera : series 

 botanica. II. Introduccion al estudio de lajiorula de micro- 

 micetos de Cataluna, por IIomualdo Gonsalzz Fhagoso. 

 Museo Martorell, Barcelona, pp. 187, 1917 ; 7 "50 pes. 



This Introduction to the study of the microscopic fungus- Hora of 

 Catalonia is the first attempt at such a task. The onl}" species 

 hitherto known from that distvict were those mentioned in Colmeiro's 

 Enuvieraciori of 1889, which included the whole Iberian peninsula. 

 These were 84 in number, with the addition of the dubious Bi/ssus 

 argentea, and 27 of these were leaf -fungi belonging to the Uredinales. 

 Besides this there have been only a few papers published in periodicals, 

 containing scattered records. 



The present v^ohune enumerates 307 Catalonian species, of which 

 a few are here described for the first time. At the end of some of the 

 genera there are added the names of certain species which may be 

 expected to occur in Catalonia, though not yet noticed there. The 

 genera are arranged on the plan followed in the Italian Cryptogamic 

 Flora by Profs. Saccardo and Tra verso. There is one coloured plate of 

 common species and 22 small figures in the text. 



The most striking fact that forces itself upon the reader of this 

 volume is the enormous amount of work that remains to be done. 

 Ver^"^ many of the connuonest species are not mentioned, although 

 their geographical distribution makes it evident that they must occur 

 in Catalonia. Among such are, strange to say, Tlromyces Poce and 

 the teleutospores of Puccinia graminis. 



As might be expected under the circumstances, nearly half the 

 work is devoted to the Uredinales and Ustilaginales (words which the 

 author, by-the-bye, spells in an incorrect and indefensible manner). 

 Among the former there are two notes of interest — one records the 



