377 
Lichenes exotict, If. J. Miiller (Hedwigia, xxxii. 120-136). 
Thalloidima Spruceanum and Pertusaria levigata, from Brazil; 
Patellaria Magellanica, from Southern South America; Parathe- 
lum megalosporum, Pleurotrema Burchellii, Ti omasellia nigrescens, 
Polyblastia cesiella, from Brazil; and Pyrenula Cotodk from Bar- 
badoes, are described as new. 
Marine Diatoms in Fresh Water— The Occurrence of. A. M: Ed- 
wards (Journ. N. Y. Micros. Soc. ix. 71-72). 
New Localities for California Plants. T. S. Brandegee (Zoé, iv. 
148-160). : 
Notes on a large number of species. Claytonia saxosa, Chori- 
santhe Vortriedet and Chlorogalum purpureum are described as new. 
New or Noteworthy North American Plants. John M. Coulter and 
E. M. Fisher (Bot. Gaz. xviii. 299-303). 
New species and varieties are proposed in the genera Petalo- 
stemon, Astragalus, Hedysarum, Aster, Mimulus, Pentstemon and 
Dine, a8 
Note on Nomenclature. Georg. B. Sudworth (Gard. and LF Or. Vi. | 
524). ee 
Since the publication of the author’s notes on Bladhia panicu- 
lata (Nutt.) Ardisia Pickeringia, Nutt.) it has been found that the 
genus /cacorea, Aublet, antedates the genus Bladhia by nine years. 
In consequence of this Bladhia paniculata becomes /cacorea 
haniwulata. 
Notes from the Gull Lake Biological Station of the University of 
Minnesota. Conway MacMillan (Bot. Gaz. xviii. 315, 316). 
Record of the occurrence of root-hairs in Elodea Canadensis, 
and of the excessive luxuriance of Eguisetum limosum at Upper 
Cullen Lake. 
Notes on the Distribution of Trees and Shrubs in the Deserts and 
Desert Ranges of Scuthern California, Southern Nevada, North- 
western Arizona and Southern Utah.—Notes on the geographic 
and vertical Distribution of Cactuses, Yuccas and Agave of the — 
same Territory. C. Hart Merriam (North American Fauna, 
No. 7, pp. 285-343, 345-359; reprint). 
An Pili contribution to the geographical botany of the 
region, preliminary to Mr. Coville's report on the Botany of the 
Death Valley Expedition, now in press. . 
