MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 329 



*Lappula leptophylla. 



Stem from a biennial or perennial taproot, 6-8 dm. high, terete, 

 iinely pubescent or hirsutulous with reflexed hairs, leafy, branched 

 above, the branches erect or ascending ; basal leaves oblanceolate ; 

 stem-leaves lanceolate, very thin, subsessile, 1-2 dm. long, finely 

 and somewhat scabrous-pubescent ; inflorescence very leafy, much 

 branched and many-flowered ; flowers very small ; sepals oblong, ob- 

 tuse, about I mm. long; corolla blue, 2—3 mm. in diameter; fruit 

 about 5 mm. in diameter; nutlets beset on the margins with inter- 

 mixed flattened linear-lanceolate prickles varying in length, the 

 larger fully 3 mm. long, the back finely puberulent, smooth or slightly 

 muriculate, not prickly. 



The species is intermediate between L. -flon'bitnda and L. Ameri- 

 cana. It has the leafy stem, compound inflorescence and large fruit 

 of the former, but the small flowers and thin leaves of the latter. It 

 grows in shaded lowlands, at an altitude of about 1600 m. 



Montana: Bozeman, 1887, Tzveedy, 22J ; Gallatin Co., 1886, 

 Tweedy^ 1174- 



Yellowstone Park : 1888, Dr. Chas. H. Hall; 1884, Tzuccdy, 

 igi, in part. 



*Lappula Americana (Gray) Rydb. Bull. Torr. Bot. Club, 24: 294 

 [111. Fl. 3 : 56] ; Echinos^ermuni dcfexuni Americaniini Gray, 

 Proc. Am. Acad. 17: 224 [Syn. Fl. 2': 421] ; Ecliinospcrmum 

 dejlfxuin Gray, Syn. Fl. 2^: 189; not Lehm. 



Resembling somewhat L. jloribniida,\>\xX with shorter leaves, sim- 

 ple inflorescence, and small flowers and fruit; nutlets 2-3 cm. long, 

 with only marginal prickles. At an altitude of 1000-2000 m. 



Montana: Deer Lodge, 1895, Rydberg, 277 j; Helena, 1882, 

 Canby. 



Lappula occidentalis (Wats.) ; Cynoglossum pilosuvi Nutt. Gen. i : 

 114; not R. & P. ; Echinospermuni patitliiin Lehm. ; Hook. Fl. 

 Bor. Am. 2 : 84 ; not Lehm. Asp. 124 ; Echinoglossum Rcdozuskii 

 occidentale Wats. King's Exp. 5 : 246 [Syn. Fl. 2' : 189 ; Bot. Cal. 

 I : 529; Man. R. M. 259]. 

 In dr}' loose soil, up to an altitude of 2500 m. 



Montana: Helena, 1888, F. D. Kelsey ; Beaver Head Co., 

 1888, Tzvccdy, 78 ; Spanish Basin, June 23, 1897, Rydberg & Bes- 

 sey, 48 gj; Great Falls, 1887, R. S. Williams, 6gi ; Cottonw^ood 

 Creek, 1892, W. T. Shaw; Gallatin Co., Mrs. Hodgman; Lewis 

 iind Clarke Co., Mrs. F. Harwood; Custer Co., Mrs. Light. 



