240 BOTANICAL GAZETTE [SEPTEMBER 
ory, with the weight of evidence in fields of their recovery; the removal of salts 
needs thorough investigation. 
As to the autumnal pigments, he reports'® that the yellows are due to a new 
pigment or group of pigments, which he proposes to call autumnal xanthophyll. 
He regards it as probably a oe era product of the ‘‘normal xanthophylls, 
perhaps also of the carotin.” a 
Torreya in the peiieous—Tivews has described a new species of Torreya 
(Tumion carolinianum) from the Cretaceous of North Carolina, based on leaf- 
bearing branches, the leaves showing the distribution and character of the stomata. 
The genus exists today as isolated species, which are widely separated geographi- 
cally, and this fact alone would suggest an ancient type. The discovery of inter- 
mediate stations will bring a knowledge of the time a om distribution and 
help settle the question of relative antiquity.—J. M 
Phylogeny of pteridophytes.—Lady IsaBeL BRowNe?° has begun a series of 
papers intended to bring together the large volume of recent work on the vascular 
anatomy of pteridophytes, and apply it to a consideration of the phylogeny and 
interrelationships of the group. This is a very useful service, for it organizes 
the scattered facts in convenient form, whether one accepts all the inferences or 
not. In the first two papers, the Sphenophyllales and Equisetales are presented 
and Lycepodiales begun.—J. M. C. 
*8 TswETT, M., Ueber das Ayaes des herbstlich vergilbten Laubes. tee 
Deutsch. Saipie Gieselis 26a:94-101. 19 
9 Berry, Epwarp W., A mid-Cretaceous species of Torreya. 
25: 88. 1908 
Am. Jour. Sci. 
WNE, ISABEL, The phylogeny and interrelationships of the Peis is 
A GiGést 4 résumé. New Phytol. 7: 93-113, 150-166. 1908. 
