CURRENT LITERATURE 239 
1902] 
mentary species” will replace the ‘collective species’ of Linnaeus are ques- 
tons that must be left for the future to answer.—H. C. 
menOR NOTIGES. 
_ Epegar W. OLIvE has? published a preliminary enumeration of the 
 Sorophoreae, in advance of a more extended paper on the Acrasieae and their 
allies. Twenty-five species are presented, only one member of the group 
having been heretofore reported from America. A new genus ((ruttulinopsis) 
is charact erized, a three species, and five other new species are 
described. —J.M 
THE FOURTH FASCICLE™ of the list of the genera of seed plants accord- 
ing to the Engler sequence has just appeared. The general character of the 
Work was stated in this journal* in the notice of the first fascicle. In the 
Present signature 1340 genera are listed, bringing the total number up to 
- 5182. This fascicle begins es essen de (Leguminosae) and ends with 
= Cochianthera (Guttiferae).—J. 
e Tae SEVENTH PART of . s Pflanzenreich has appeared,” and con- 
tains: the Naiadaceae (family 12 of the spermatophyte series), by A. B. 
Rendle. The preliminary discussion is in English, and deals with the vege- 
cng organs, anatomy, floral structure, geographic distribution, etc. The 
Senus Naias is presented as ee thirty-two species, V. marina 
‘Sixteen named varieties.—J. . 
Parts : 211 and 212 of Engler and Prantl’s Natirlichen Phececateuies 
: Fale The former contains the Lepidodendraceae, Bothrodendra- 
eiiariaceae, and Pleuromoiaceae, by H. Potonié, and the beginning = 
by R. Sadebeck. It is interesting to note that in Potonié’s _ 
geny the Lepidodendraceae give rise to the Araucarieae, and 
. ihe other conifers. Part 212 contains the Dicranac —— 
a EXSICCATI, “eos noticed last month, are bch 6 issue 
by Professor W. 
