540 Piper: West AMERICAN 
radical spatulate-lanceolate ; cauline lanceolate, attenuate, — 
gradually reduced upward, the upper ones ciliate with long hat ) 
the middle ones 5~10 cm. long: flowering branches ace f 
arranged: cymes 5~-10-flowered: calyx-lobes lineata 
obtusish : corolla white, 10-12 mm. broad ; appendage as i 
as long, merely papillate, the protuberance oblong, short, peer : 
protruding into the throat: fruit (nearly mature) about | ae 
long, on longer recurved pedicels ; back of nutlets flat, muricu nike 
bearing a few scattered short glochidiate prickles; marg ite 
prickles flat, of two lengths, free to the base or nearly 7 ae 
longer ones equalling or exceeding the diameter of the back; 
inner face smooth, the oblong scar central. 
Clemens Mountain, Yakima county, Washington, 14 ee } 
1892, L. F. Henderson (type). Specimen in herbarium Wash- 
ington State College. 
The following specimens are also confidently referred here : 
Wasuincton: Moist shady rocks, Klickitat county, June 1881, 
Suksdorf ; Upper Yakima, 1860, Lyall. r 
OrEGon : Cliffs along the Columbia River, August 1880, é 
J. Howell ; Deschutes, 1879, Howell; ‘ Hood River, Celilo, etc., 
June 1886, Henderson, 88. k 
A doubtful specimen is Howell’s no. 335, Rooster Rock, 
Ore., with blue flowers. 3 fruit. 
The Suksdorf and Henderson specimens have mature foe 
In these the back of the nutlet is more or less convex, with A oe 
central ridge, muriculate, bearing 10-12 short glochidiate bristles ; 
ventral surface sparsely muriculate, the oblong scar central. 
. 4. Lappula trachyphylla sp. nov. 
‘ d 
Probably perennial, apparently about 60 cm. high : ae 
branches hispid: upper leaves sessile, lanceolate, eater hispid, 
nate, 4—5 cm. long, harshly scabrous on both faces with to the 
papillate-based hairs; upper leaves passing gradually si 10- 
bracts of the inflorescence: branches 10-1 5 cm. long, mates a 
15-flowered: calyx-lobes attenuate, hispid, 4—5 rata OnE 5 2 mm. 
white, the tube not exceeding the calyx, the limb Bee: pro- 
broad ; appendages as broad as long, merely papillose, . nutlets 
tuberances small: pedicels decidedly longer than the fr er plane, 
5 mm. long, the marginal prickles free to the base; bac i 
sks a vickies « vena ee 
muriculate, bearing several short glochidiate prickles ; vent 
muriculate, the scar central. 
