46 
of nomenclature recommended by the Botonical Club of the 
American Association for the Advancement of Science have been — 
followed. The whole number of species and varieties recorded ; 
is 1,261, 42 of which are new to Science. Some of these have 
previously been described by Mr. Coville in a paper published in 
the Proceedings of the Biological Society of Washington ;* those 
here first described are Agutlegia pubescens, Ceanothus pinetorum, 
Lotus Argensis, Astragalus eremicus Sheldon, Astragalus I[nyo- 
ensis Sheldon, Astragalus Panamintensis Sheldon, Astragalus Vir- — 
gineus Sheldon, Gayophytum eriospermum, Cinothera xylocarpa, ; 
Cymopterus Panamintensis Coulter and Rose, Phlox austromoniana, 
_Navarretta setiloba, Nemophila spathulata, Phacelia hispida brach- 
yantha, Cryptanthe recurvata, Mohavea brevifiora, Pentstemon frutt- 
ciformis, Boerhavia annulata, Atriplex Tularensis, Eriogonum brach- 
yanthum, Eriogonum nivale, Phyllogonum luteolum, Juncus ortho- 
phyllus, Ephedra viridis, Uromyces bicolor Ellis and Phleospora 
Liglovie Ellis. 
Two new genera are proposed: Orechenactis, based on Chenac- 
' tts thysanocarpha A. Gray, in the Composite and Phyllogonum in 
the Polygonacee, based on a newly-discovered species. 
The list of plants collected is enriched by numerous valuable 
notes on habit, habitat, distribution, additional characterizations, 
modifications of former descriptions and nomenclature. The 
plates illustrate many of the new species. They are lithographed 
and well executed. 
Altogether the book is a most important contribution to 
American botany, and we feel sure that in extending to Mr. Co- 
ville our congratulations on its completion that we are but voici 
the sentiments of all American botanists. N. 128) 
Contributions to the Life Histories of Plants, No. 9. Thomas Mee- 
han (Proc. Acad. Nat. Sci. Phila. 1893, 289-309). a 
Mr. Meehan’s ninth collection of notes under this caption in- 
cludes memoranda on a Moncecious Case of Populus tremuloides; 
Extra-axillary Branching in Mertensia maritima ; Dichotomous 
Branching in Spergularia media ; Missing Verticil in Glaux marit- 
ima; The Relation between Rythmic Growth and Variety in 
* Vol. 1: 65-80 (1892). 
