116 : THE JOURNAL OF BOTANY 
critical generaa as Viola, Rubus, Rosa, Hieracitwm—the last two 
occupy nearly six pages each—Huphrasia, Mentha, and Carex 
reference must be made to the Report itself. We must content 
ourselves with the following :— 
** Stellaria J eheges L. Cottenham Park Road, near Raynes 
Park, Surrey, 19th June, 1908. Examples sent to show the 
dimorphism that ec in this Loree The two forms mai ay be 
anthers reddish at first, earns deep brown in colour, pollen 
oe and styles as long as stamens. Form ‘ B,’ feminine, is 
marked by flowers with petals shorter than (or equalling) the 
sepals ; stamen 10 in two series, with filaments dwarfed, 
tongs and five shorter; anthers light brown in : ealone pollen not 
formed; styles pall — exceeding sepals, petals, and 
stamen ns.—C. E. Bri 
“Galium ’ erecto-verum. Wood Walton Fen, Hunts., Aug. 
EK. W. Hunnybun. 
was a special feature of interest, inasmuch as it must have con- 
vinced the most sceptical disbeliever in hybrids that such do 
occur in nature. We have on one side G. verum in plenty, and 
on the other a form of G. erectum Huds. A complete change of 
yellow to white, through all the shades; and agai Teas aes 
showed all gradations from those of erectum to those es i 
may say that the intermediates were more frequent Pint ‘the 
determination, though the pees before me is a poor one 
seems nearer G. v The name is G. erectum xX verum; 
the alternative, gacksterlt pat « — to the usage adopted 
by the Vienna Congress.—E. 8. Marsx 
“ Sagittaria heterophylla, Pursh, var. iscana, Hiern. River Exe, 
Exeter, Aug. 1908. See Jowrnal of Botany, 1908, p. 273. In some 
considerable quantity, close to the children’s playground, on tere 
— margin of the River Exe, at Exeter. It a 
several large al clomid: near the bridge; but I was sales aie oir 
in the river above the paper mill. Mimulus Langsdorfii also 
occurs in the stream. As to the manner of introduction into the 
Exe of this North American species, one can — at present, con- 
jecture. I found that American wood pulp has been used at th 
mill, and heard that American abe re been brought to the river 
at Exeter; whether the seeds c with them we have 
evidence. It is —— not of aaite recent origin, aah I 
suspect it is én sed rapid grower. Unfortunately at the date I 
gathered it of flowering stalks were visible; but on the 
principle hat halt a loaf is better than no bread,’ I have ven- 
