135 
of some forty species is given, in which, excluding seeds and 
fruits of uncertain affinities, there are seven new species described, 
viz: Myrica Davisi, M. grandifolia, Platanus Aquehongensis, 
Kalmia Brittoniana, Acer minutus, Wailliamsonia (7) Rtesw, and 
Phyllites poinsettioides. All species enumerated are figured in the 
accompanying plates, and many of them are recognized as identi- 
cal with the species described and figured by Prof. Heer from the 
Atane and Patoot beds of Greenland, by Prof. Leo Lesquereux 
from the Cretaceous of the Western United States, and by 
Ettingshausen and Velenoosky in Europe. Another important 
link in the chain of vegetation during Cretaceous times is thus 
established. 
Pammel’s Fungus of Texas Root-rot of Cotton—Method of ob- 
taining pure cultures of. Geo.-F. Atkinson (Bot. Gaz. xviii. 16-19). 
Plant Dispersion by the Buffalo. (Erythea, i. 47, 48). 
An anonymous letter is published, its author agreeing with the 
criticisms of Professor Green on a recent article on this subject. 
Plante Lehmanniane in Guatemala, Costa Rica, Columbia, 
Ecuador etc., collecte—Leguminose, Marc Micheli. (Kngl. Bot. 
Jahrb. xvi, Heft. 3, Beiblatt, 1-9.) 
An annotated list of a large number of species, all previously 
described. 
Portulacee—A Rearrangement of American. Thomas Howell 
(Erythea, i. 29-41). 
This valuable paper is in the nature of a synoptical revision of 
the American species of the order. Its principal feature is the 
proposal of a new genus, Ovcobroma, including 10 species taken 
out of Lewisia, Claytonia,Talinum and Calandrinia, all acaulescent 
perennials with scapose stems jointed at the base and fleshy, edi- 
ble roots. 
Mr. Howell also refers a considerable number of the West 
Coast plants which have hitherto been in Claytoma to Monta, 
agreeing in this with the views recently expressed by Prof. Greene. 
Calyptridium nudum, Greene, is referred to Spraguea, and Spraguea 
multiceps is a new species. N. L. B. 
Prolification und Phyllodie bei Geum rival. E. Busherer (Ber. 
Deutsch. Bot. Gesell. x. 571-576; one plate). 
