Vol. 40 No. 2. 
BULLETIN 
OF THE 
TORREY BOTANICAL CLUB 
—ee ee 
FEBRUARY 1913 
Studies on the Rocky Mountain flora—XXVIII 
Per AXEL RYDBERG 
FABACEAE 
‘ Thermopsis ovata (Robinson) Rydb. 
Thermopsis montana ovata Robinson, Contr. U. S. Nat. Herb. 11: 
349. 1906. 
This differs from T. montana not only in its broader leaflets 
(the only characters given in the original description) but in its 
spreading leaves, its large stipules, which in the lower leaves are 
ovate and very oblique, and in its elongate and lax raceme. It 
differs from T. xylorrhiza A. Nels. in its lax inflorescence and 
strictly straight pods. 
Dr. S. Watson in publishing Lupinus Kingii described the 
plant as being perennial. This mistake of his led him as well as 
others astray, for he redescribed the same plant a few years later 
as an annual under the name L. Sileri. This fact has been called 
attention to several times and, among other places, in my Flora of 
Colorado. It is, therefore, surprising that the error should be 
repeated by Coulter and Nelson in the New Manual of Botany 
of the Central Rocky Mountains, where the description begins: 
‘From a perennial rootstock, dwarf, cespitose,’”’ etc., characters 
which in no way apply to the type in the Gray Herbarium nor to 
the duplicates in the herbaria of Columbia University and the 
United States National Museum. Furthermore, Coulter and 
[The BuLLETIN for January 1913 (40: 1-42) was issued Feb. 20.] 
43 
