1904] CURRENT LITERATURE 395 
—W. Lipsxy (Acta Hort. Petrop. 23:1-247. pls. I-11. 1904), in his second 
contribution to the flora of central Asia, which includes Ranunculaceae to 
Labiatae, besides numerous new species describes two new genera (Kozlovia 
and Ladyginia) of Umbelliferae—A. A. HELLER (Muhlenbergia 1:63-110. 1904) 
has brought together the species of Ribes in California, with a key, recognizing 
43 species, one of which is described as new ; and has also described new species 
of Heuchera, Sidalcea, Eriodictyon, and Orthocarpus.—E. P. BicKNEtt (Torreya 
: 129-132. 1904) has described three new species of Viola from Long Island.— 
. A.M j 
of Bradburya from Florida.—E. L. GREENE (Leaflets 1: 49-64. 1904) has read 
the riddle of NacKER’s genera of Cactaceae (all of them happily synonyms); has 
called attention to Amarella as the propgr name of the American species referred 
0 Gentiana, describing under it eight new species; and has described seven new 
species of Apocynum and five new western species of Rhamnus.—ANNA MURRAY 
Var (Bull. Torr. Bot. Club 31:457-460. pls. 16-19. 1904) has published two 
neW species of Asclepias from New York and one from Kansas.—T. D 
FRELL (idem 461-509. pls. 20-23) has published an account of the N. Am. species 
of Hymenoxys (formerly referred to Picradenia or Actinella), recognizing thirty 
Species and varieties, describing eleven as new, and transferring seventeen.— 
J N. Rose (Smithsonian Miscell. Coll. 47:159-162. pl. 20. fig. 18. 1904) has 
Published a new genus (Lenophyllum) of Crassulaceae, comprising four species 
ftom northeastern Mexico and southern Texas.—J. M. C. 
: ras VOLUMINOUS monograph on anthocyanin by BuscaLront and Poracct *° 
Sin three parts. The first is a bibliography, presumably exhaustive, as it con- 
ia 866 titles, among which are Linnaeus’s Flora Lapponica and Loudon’s 
? orelum. The industry of the authors in gathering titles has exceeded their 
Rid mination, as the inclusion of a paper by a Mr. Rosrnsov, entitled Blue 
see 'ss0ms, will testify, since it is purely a floristic list and the Blue Ridge 
i: Owe its color to anthocyanin. The second part (114 pp.) is a critico- 
Ba Neal discussion of the researches of previous authors. The third part (255 
*) Contai 
their own summary. istri 
fon eo anins appear only in highly developed plant forms. = . rae 
tthe © parts of different plants does not accord with that of starch and indic 
y have more than one function, just as their formation depends on more 
en factor. Comparative studies show that the presence of areca es 
On sy volves a Modification of cells. Their origin seems due to Et gre 
The ‘Sars, glucosides, etc., while their decomposition is oftenest due to reduc = : 
uence of humidity, of nutrition, and of light upon them are very variable. 
6 Bus Re . 
Rico nel “ALIONT, Lurcr, e Potacct, Gino, Le antocianine e loro significato biolo- 
“Plante. Atti Istituto Botanico di Pavia II. 8: 135-511- Pls. 9- 1904 
