ALGJE. 267 



Atlas will know where to place. Such things may be sad, 

 but they relieve the tedium of long German papers ! 



Mr. Buffham's painstaking work (8), so modestly set 

 forth, is in continuation of previous discoveries of the same 

 kind. British phycology is much indebted to him for this 

 quiet building up of gaps in our knowledge of the Floridece, 

 and especially of their antheridia. 



The study of Caulerpa prolifera, by Dr. Klemm (9), is 

 so much more physiological than phycological that I need 

 do little more than mention its existence here. Incident- 

 ally he upholds the view that the trabecular serve principally 

 to maintain the external form of the organs of Catderpa 

 when in a turgescent condition. This is the view generally 

 ascribed to Janse of late years, but of course it has always 

 been every one's view more or less, except Noll's. The 

 latter thinks that this is one of the least important of the 

 uses of the trabecular, which he regards as serving the plant 

 in the conduction of dissolved substances, contending that 

 turgor itself takes care of the plant's stability. Dr. Klemm's 

 research is mainly concerned with a partial study of the 

 causes of form development. The genus affords a magnifi- 

 cent field for such study, since it contains species resembling 

 in their outward appearance most of the characteristic types 

 of vegetation. We shall all be much better acquainted with 

 the forms of this extraordinary genus when Mrs. Weber van 

 Bosse has completed her monograph of it now in progress. 



Dr. Lagerheim's interesting paper (10) on Rhodochy- 

 trium, a new genus he has discovered inhabiting a com- 

 posite, Spilantkes, in Ecuador, favours the view that the 

 Chytridiacecz are allied to the Protococcacece, rather than to 

 higher groups of Fungi. Rhodockytrium is certainly a type 

 of interesting life-history, but it does not appear to bring 

 Protococcacece and Chytridiaccce morphologically any nearer 

 than the species of Chlorocystis investigated by Prof. 

 Perceval Wright, Miss Whitting and others. However, it 

 is a fresh instance and a fresh confirmation of an opinion 

 now shared by many cryptogamists. Lagerheim thinks it 

 not improbable that Rhodockytrium possesses no chlorophyll 

 and that the chlorophores are reduced to leucoplasts. Starch 



