151 



4». 



tered, leaflets as long as the petioles, i to i}4 inches long, stipules 

 slender; raceme 6 to 12 inches long, indistinctly verticillate ; 

 deciduous bracts exceeding the calyx ; upper lip of calyx entire, 

 saccate at base; keel naked, extending beyond the wings, the 

 style becoming exserted ; corolla cream color; ovules four to 



five. 



Eastern side of South Fork Mountain near summit July 21. 



*^H0SACKIA DENTTCULATA. Annual, I ^A to 25^ feet high, 



stout, erect, sparsely branched, pale green throughout ; leaflets 

 obovate, about six lines long, nearly all denticulate; the almost 

 filiform lobes of the calyx longer than the tube; corolla pale yel- 

 low to nearly white, standard purplish ; pods as long as the leaf- 

 lets, nearly glabrous, three-seeded. 



Along Mad River, near Jarnigan's, July 10. This plant has 

 hitherto been included in H. siibpinnatay Torn and Gr., but is 

 certainly a distinct species. 



-^POTENTILLA LAXIFLORA. Stems decumbent or ascending, 

 slender, a foot long, loosely branching above ; leaflets ten or 

 twelve pairs, 6 lines long, irregularly lobed or cleft, the two or 

 three. divisions narrow and acute: inflorescence loosely cymose; 

 calyx campanulate, the triangular acute segments about equalling 

 the tube, bracteoles slender, smaller than the segments, the whole 

 about 3 Hnes broad ; petals white, unguiculate, exceeding the 

 calyx; stamens ten; filaments white, petaloid-dilated, unequal ; 

 carpels two to three, nearly 2 lines long, light brown, smooth and 

 shining. 



Hy-Am-Pum Valley, among young pines, July 25. 



>^ EriLOBIUM EXALTATUM. Root perennial, stoloniferous; 

 stems 3 to 4 feet high, slender, terete, sparingly branched ; 

 leaves usually opposite or the floral alternate, lanceolate to ovate, 

 acute, short-petioled, callous-denticulate, glabrous, thin and 

 strongly veined : inflorescence open, corymbose-paniculate ; 

 calyx and capsule slightly pubescent ; petals four lines long, 

 bifid : seeds linear-oblong, smooth. 



Growing rankly along brooks near Grouse Creek, August i. 



Hemizonia SCABRELLA. About 2 feet high, main stem zig- 

 zag with slender diverging branches, glabrous r leaves minutely 

 scabrous; glands small, terminal, distinctly stalked : heads mosdy 



y 



terminah nearly cylindrical. 4 lines high ; rays three to five, threc- 

 parted, bright yellow ; bracts of the receptacle five to eight, at 



