489 



Claytonia perfoliata amplectens Greeue, Fl. Fran. 179 (1891). 



It is smaller than the typical C. perfoliata, has smaller flowers ami shorter pedicels; 

 the involucral leaves united only ou one side. It has been collected by i)r. Vasey, 

 iu the State of Washington, and by C. V. Piper, near Seattle, same State. 



Hills, near Whitewood, altitude 1,200 m., July 7 (No. 570). 



HYPERICACEiE. 



Hypericum cauadense L. Sp. PI. ii, 7S5 (1753). 



Low grounds, north of Custer, altitude 1,700 m., August 20 (No. 572). 



MALVACEiE. 



Malveopsis coccinea (Nutt.) Kuutze, Kev. (ien. PI. 72 (1891); Malva roccinea 

 Nutt. Fraser"s Cat. (1813). 



Hillside, above Hot Springs, altitude 1,100 m., June 14 (No. 580). 



LINACEiE. 



Linum lewisii Pursh, Fl. i, 210 (1814). 



Hillsides: Hot Springs, altitude 1,100m., June 14; Elk Canyon, altitude 1,200 m., 

 June 29; Koehford, altitude 1,700 m., July 12; Custer, altitude 1,700 m., July 15 

 (No. 581). 



Linum rigldum Pursh, Fl. i, 210 (1814). 



Kare: Hot Springs, altitude 1,100 m., June 15 (No. 582). 



GERANIACEiE. 



Geranium richardsonii Fisch. & Mey. Ind. Sem. Petrop. iv, 37 (1837). 



The most oonnnon species iu the Black Hills. The flowers are nearly always white 

 or light pinkish with purple veins. Valleys: Elk Canyon, altitude 1,300 m., June 

 29; Rochford, altitude 1,600 m., July 11; Sylvan Lake, altitude 2,000 m., July 21 

 (No. 583). 



Geranium viscosissimum Fisch. & Mey. Ind. Sem. Petrop. xi, Suppl. 18 (1843); 

 Geranium (ncisjim Nutt. : Torr. A Graj', Fl. i, 206 (1838), not Andrews, ISot. Keii. 67 

 (1814). 



Koehford, altitude 1,600 m.. July 11; Bull Springs, altitude 1,900 m., July 27 

 (No. 584). 



Geranium carolinianum L. Sp. PI. ii, 682 (1753^. 



Elk Canyon, altitude 1,200 m., June 29; Whitewood, altitude 1,1UU m., July 7; 

 Custer, altitude 1,650 m., July 15 (No. 585). 



Oxalis siaicta L. Sp. PI. i, 435 (1753). 



Shady places among the foothills: Rapid Creek, altitude 1,100 ni., .June 25; Elk 

 Canyon, altitude 1,200 m., .luue 29 (No. 586). 



CELASTRACEiE. 



Celastrus scandens L. Sp. PI. i, 196 (1753). 



Erect, 1 to 1.5 m. liigh; nowhere found climbing. Kai)id City, altitude 1,050 m., 

 June 25; Little Elk Canyon, altitude 1,100 m., .June 28; iiCadCity, altitude 1,600 m., 

 July 6 (No. 587). 



RHAMNACEiE. 



Ceanothus velutinus Dough; Hook. Fl. Bor. Auier. i, 125 (1830). 



Not uncommon in the hills around Lead City, altitude 1,700 m., July 4 (No. .588). 



Ceanothus ova tus Desf. Hist. Arl). ii, 3^1 (1809). 



The common peduncles are in most cases elongated, and the leaves are thinner 



lai^i— No. 8 ;j 



