245 Rydberg : Studies on the Rocky Mountain Flora 



Perennial : stem 8-10 dm. high, glabrous or sparingly strigose 

 above, leafy ; stipules narrowly lanceolate, attenuate : petioles 3—5 

 cm. long ; leaflets about 7, spatulate or broadly oblanceolate, about 

 4 cm. long, mucronate, those of the lower leaves obtuse, those of 

 the upper more acute, glabrous above, finely puberulent beneath ; 

 raceme elongated, about 2 dm. long, many-flowered : flowers sub- 

 verticillate ; pedicels about .5 cm. long, as well as the calyx, 

 pubescent with short spreading hairs ; bracts lanceolate, attenuate, 

 deciduous, longer than the buds ; calyx gibbous at the base ; lower 

 lip lanceolate, about twice as long as the short ovate upper one : 

 corolla dark blue, with lighter keel ; banner glabrous, rounded and 

 shorter than the wings. 



This has been confused with L. parviflorns, which it closely 

 resembles, differing mostly in the shape of the calyx ; the lower 

 lip in that species is only slightly longer than the upper and the 

 banner is larger and less rounded. The type grew at an altitude 

 of 2400 m. 



Utah : Wasatch Mountains, 1869, 5. Watson, 22^ (type in 

 herb. Columbia University). 



Lupinus flavescens sp. nov. 



Perennial : stem about 3 dm. high, appressed pubescent with 

 rather long hairs : stipules lanceolate, densely hairy : petioles often 

 over I dm. long, appressed silky ; leaflets about 7, oblanceolate, 

 3—4 cm. long, appressed silky on both sides : inflorescence short; 

 bracts lanceolate, early deciduous ; pedicels 8—10 mm. long, as 

 well as the calyx densely pubescent with short, spreading hairs: 

 calyx gibbous at the base ; its lips almost equal in length, both 

 about 8 mm. long: corolla 12—14 nim. long, pale yellow; banner 

 with a darker spot, glabrous. 



The type has been known as L. sulpliurciis and was included 

 therein questionably by Watson ; but differs in the larger, paler 

 flowers, and the longer lips of the calyx, and the longer pubes- 

 cence. 



Idaho or Montana : Medicine Clay Prairies, Wyctli (type in 

 herb. Columbia University). 



Lupinus lucidulus sp. nov. 



Perennial : stem 5—6 dm. high, branched above, finely silky 

 strigose, especially the upper portions, leafy ; stipules minute, ovate, 

 acuminate : petioles 3-5 cm. long ; leaflets 7-8, linear-oblanceo- 



