Coville Ribes Coloradense, an Undescribed Currant. 3 



the length of the tube; petals oblong-ovate, about two-thirds 

 the length of the calyx lobes; and anthers when expanded 

 usually much longer than broad. 



The specimens of Ribes wolfii that I have examined, in the 

 National and Columbia University herbaria, and that of Mr. 

 Frank Tweedy, are as follows: 



Colorado: 



Mosquito Pass, near Leadville, alt. 10,000 to 11,000 feet, 

 John Wolf, 1873. 



Hinsdale County, F. N. Pease, 1878. 



Ouray County, near Silverton, on the headwaters of the 

 Rio Las Animas, alt. 9,600 feet, Frank Tweedy, 1895 

 (No. 195). 



Ouray County, Mt. Abram, alt. 10,"500 feet, C. L. Shear, 

 1897 (No. 3195). 



West La Plata Mountains, Bear Creek Divide, alt. 11,500 

 feet, Baker, Earle, and Tracy, 1898 (No. 220). 



Utah: 



Wasatch Mountains, alt. 9, 000 .feet, Sereno Watson, 1869 

 (No. 377). 



Wasatch Mountains, American Fork -Canyon, alt. 9,500 

 Marcus E. Jones, 1880. 



Mountains east of Gunnison, alt. 9,500 feet, Lester F. 

 Ward, 1875 (No. 274). 



"Central Utah, &c.," C. C. Parry, 1875. 



Ribes wolfti having thus been delimited, the plant confounded 

 with it by Rothrock, and by most authors referred to Ribes 

 iDn IV Her., is here described. 



Ribes coloradense sp. nov. 



Plant apparently procumbent; stems devoid of spines and prickles, at 

 first minutely pubescent and bearing; some sessile glands, the thin silvery 

 epidermis persisting for a few years over the brown bark; petioles com 

 monly 3 to (3 cm. long, usually smooth on the back, the upper sides 

 pubescent and glandular like the young twigs, the margins of the sheath 

 ing portion provided with a few large, gland-tipped bristles; leaf-blades 



