678 THE AMERICAN NATURALIST. [Vow. XXXIII. 
a 
With Lieferung No. 184-5, Parts II-V of Engler und Prantl s 
Natürlichen Pfanzenfamilien are brought to an end, so that the 
treatment of the phanerogams is now finished, with a complete 
index to popular names, etc., and to the Latin names of genera and 
species mentioned. 
The New England Botanical Club announces in Rhodora for May 
its intention to publish a check list of New England plants, indicating 
the presence or absence of each admitted species or variety for each 
of the six New England States. 
Quercus ellipsoidalis is the name applied by E. J. Hill in the 
Botanical Gazette for March to a black oak found in the vicinity of 
Chicago, which possesses a blending of the characters of Q. coccinea, 
velutina, and palustris. 
The dissemination of Arceuthobium, or, as it is now sometimes 
called, Razoumofskya, is the subject of an interesting paper by 
MacDougal, in a recent number of Minnesota Botanical Studies. 
The Columbine Association has secured an admirable presentation 
of the claims of the beautiful flower whose name it bears to recogni- 
tion as our national flower in an address on “ The National Flower 
Movement,” by the president of the association, Mr. F. L. Sargent, 
delivered before the Massachusetts Horticultural Society in February, 
_ 1898, and printed in the recently issued first part of the Zransactions 
of the society for 1898. 
The phylogeny of Ulmacee is discussed by Houlbert in an 
illustrated article published in No. 123 of the Revue Générale de 
Botanique. A comparative study of the arrangement of the wood 
elements during the maturation of the trunk (which does not reach 
its characteristic development until about the tenth year) shows that 
the structure passes successively through stages comparable with those 
characteristic of the Boehmerias, Planera, Sponia, and Morus. 
A new limnoplankton form, reported by Zacharias (Biol. Centralb., 
Vol. XIX, No. 9, p. 285) as common in the smaller lakes of Holstein, 
has recently been identified by the fungologist Ludwig as a modified 
orm of the musk fungus, Cucurbitaria aqueductum, which is common 
in water pipes and on water wheels. 
