PIPER FLORA OF THE STATE OF WASHINGTON. -1:79 



10a. Mertensia pulchella glauca sul^sp. nov. 



Herbage sliglitly glaucous throughout; leaves narrower, usualh' elliptic, mostly nai-- 

 rowcd at base; sterns often 2 to 4 from the same tuber; corolla tube more slendei'. 



Specimens examined: Hills west of Wenache, Whited 1010, March 31, 1899; type sheet 

 no. 366511 in the U. S. National Herbarium; Badger Mountain, Whited, May 24, 1900. 



This may well prove a distinct species, but in the light of rather scanty material is con- 

 sidered too close to M. pidckelln. 



11. Mertensia oblongifolia (Nutt.) G. Dcm, Hist. Dichi. PI. 4: 372. 1838. 

 Pulrnonaria ohlongifolia Nutt. Journ. Acad. Phila. 7: 43. 1834. 

 Mertenffia longi/flora Greene, Pittonia 3: 261. 1898. 



Type locality: "Towards the sources of the Columbia River." Collected by Wyeth. 



Range: Washington, Idaho, Montana. 



Specimens examined: Fort Colville, Lf/a/Hn 1861; Upper Columbia, ^Vvcr 316; Cheney, 

 Mrs. Susan Tncker in 1890; Hangman Creek, Sandhenj & Leibenj 48; Spokane, Lyall in 

 1861; Henderson in 1892; Wenache, Whited 1010; Pullman, Piper 1875; Almota, Piper, 

 April 7, 1894; witiiout locality, Vcisey in 1883. 



12. Mertensia homeri .sp. nov. 



Stems 8 to 15 cm. liigh, glabrous, solitary or rarely 2 or 3, erect from a shallow-sealed 

 oblong, l)lack tuber; basal leaves none; cauline 2 to 5, oblong, obtuse, pale and some- 

 what glaucous, appressed puberulent above, glabrous beneath, sessile, or the lower ones 

 slK>rt-pctioled, 2 to 3 cm. long; lowest leaves reduced and scarious; inflorescence close; 

 calyx glaucous, parted nearly to the base, its lobes oblong-lanceolate, very acute, denticu- 

 late-ciliatc on the margin; corolla blue, 10 to 12 ram. long, its tube about twice as long as 

 the calyx; filaments dilated, as long as the anthers. 



Specimens examined: Waitsburg, Washington, Prof. R. M. Horner 366, April 3, 1897, 

 the type in the U. S. National Herbarium, sheet no. 318875; Union County, Oregon, Cusick, 

 1830, April 13, 1898. 



13. Mertensia pubescens sp. nov. 



Tufted from a stout vertical caudex covered with the dead bases of old leaves; stems 10 

 to 15 cm. high, leafy to the top; leaves numerous, the cauline inclined to be secund, linear 

 or linear-lanceolate, obtuse or acutish, only the midrib evident, 3 to cm. long, mostly 

 about 5 imn. wide, pubescent on both surfaces, the basal ones attenuate into margined 

 petioles about as long as the blades, the cauline sessile and but little reduced upwards; 

 panicle short, dense, nodding; calyx lobes lanceolate, acute, coarselj' ciliate, glabrous on 

 the back, a third to n fourth as long as the corolla tube; corolla blue, the narrow tul)c 

 6 to 8 mm. long, one-half longer than the campanulate limb; filaments dilated, as long as 

 the anthers. 



Collected near Waterville, Douglas County, by Kirlc Whited, 1214, April 23, 1900, the 

 type sheet in the U. S. National Herbarium no. 370326. 



Closely allied to M . amoena A.Nelson a.nd M . balceri Greene, but distinguished by its 

 narrow more pubescent leaves and longer corollas. 



14. Mertensia nutans Howell, Fl. N. W. Am. 491. 1901. 



Type locality': "On the north side of high ridges, eastern Oregon and Washington." 

 The type specimen jS from Klickitat County, Washington. 



Range: Washington and Oregon to Idaho and 1 Colorado. 



Specimens examined: Near Granddallcs, Gorman, April 20, 1892: Klickitat County, 

 Howell, May, 1880; Wenache, Wkiied 1034; Ellensburg, Whited, April IS, 1897. 



Zonal distribution: Arid Transition. 



14a. Mertensia nutans subcalva subsp. nov. 

 Leaves minutely strigose above; otherwise as in M. nutans. 

 Specimens examined: Rattlesnake Mountains, J. S. Cotton, 328, April 29, 1901. 



