PIPER—FLORA OF THE STATE OF WASHINGTON. 409 
2. Pachylophus canescens sp. nov. ° 
Acaulescent or nearly so, cespitose, the whole plant canescent with a fine appressed 
pubescence; root stout and woody, becoming 30 cm. long or more; leaves rather numerous, 
pale green, oblanceolate, repandly dentate or subentire, obtuse or acute, each attenuate 
into a petiole with margins narrower than the broad white midrib; calyx canescent, the 
tube very narrow, 5 to 6 cm. long, twice the length of the lanceolate attenuate lobes; petals 
broadly obovate, pink, 2 to 3 cm. long; pods 2 to 3 em. long, linear-oblong, attenuate into 
astout beak, canescent like the leaves. 
This species is distinguishable from the others of the genus only by the character of the 
pubescence. 
SPECIMENS EXAMINED: Washington—Sentinel Bluffs in gravelly soil, Cotton 1345 (type); 
Priest Rapids, Brandegee 77, July 14, 1903. Oregon—near Harper Ranch, Leberg 2103; 
near Westfall on road to Ontario, Coville 504; without locality, Cusick in 1885. California— 
Without locality, Vasey in 1880. 
ZONAL DISTRIBUTION: Upper Sonoran. 
The type is in the National Herbarium. 
LAVAUXTIA. 
1. Lavauxia triloba (Nutt.) Spach, Hist. Veg. 4: 367. 1835. 
Oenothera triloba Nutt. Journ. Acad. Phila. 2: 118. 1821. 
Type Locauity: “In the arid and partly denudated prairies of Red River,” Arkansas. 
Rance: Washington and Saskatchewan, south to California and Mexico. 
SPECIMENS EXAMINED: Yakima River, Suksdorf 1703. 
GODETIA. 
Calyx tips free in the bud, the lobes separate in anthesis; stigmas 
oval, purple; capsules sessile. 
Ovary and capsule villous ..........----.------------------- 1. G. quadrivulnera. 
Ovary and capsule puberulent .......-..--....--------------- 2. @. tenella. 
Calyx tips united, remaining so in anthesis; capsules mostly pedicelled. 
Anthers sparsely hairy, large, the terminal portion sterile and 
often becoming hooked... ...........--..------------------ 3. G. amoena. 
Anthers glabrous, small, fertile to the tips. ......-.-.-....----- 4. G. caurina. 
1. Godetia quadrivulnera (Dougl.) Spach, Hist. Veg. 4: 389. 1835. 
Ocenothera quadrivulnera Doug]. Bot. Reg. 18: pl. 1119. 1827. 
Godetia bingensis Suksdorf, Deutsch. Bot. Monatss. 18: 88. 1900. 
Type Locauity: “Northwest America.” Collected by Douglas. 
Rance: Washington to California in the coast region. 
SPECIMENS EXAMINED: Fox Island, F/ett 84; Tacoma, Flett 907, 167; Olympia to Gate 
City, Heller 4050; Steilacoom, Piper in 1885; Suckley in 1885; Bingen, Suksdorf, July 4, 
1892; June 13, July, 1881; Yelm, Smith 428; Puget Sound, Wdkes Expedition 133. 
ZONAL DISTRIBUTION: Humid Transition. 
2. Godetia tenella (Cav.) Spach; Steud. Nom. ed. 2. 1: 697. 1840. 
Oenothera tenella Cav. Icon. 4: 66. pl. 396. 1797. 
Type Locauity: “Habitat prope urbem Talcahuano in Chile.” 
Rance: Washington to California. Chile. 
SPECIMENS EXAMINED: Klickitat County, Suksdorf 2152; Clallam County, Elmer 2567 
3. Godetia amoena (Lehm.) Lilja, Linnaca 15: 265. 1841. 
Ocenothera amoena Lehm. Ind. Sem. Hort. Hamb. 8. 1821. 
Ocnothera lindleyi Doug|. Hook. Bot. Mag. 55: pl. 2832. 1828. 
Godetia vinosa Lind]. Bot. Reg. 22: pl. 1856. 1836. 
Type Locauity: ‘“Amerfica] Septentr[ionalis].”’ 
