PIPER FLORA OF THE STATE OF WASHINGTON. 245 



2. Abronia latifoHa Esch. Mem. Acad. St. Petersb. 10: 281. 1826. 

 Abronia arenaria Menzies; Hook. Exot. Fl. 3: pi. 193. 1827. 

 Type locality: "Iu arenosis maritimis Novae Californiae." 

 Range: Seashores, Vancouver Island to California. 



Specimens examined: Shoalwater Bay, Cooper; Clallam County, Elmer 2791 ; Port Ange- 

 les, Piper 2303; Port Towiisend, Henderson, June 25, 1892; Westport, Heller 3943; Lamh 

 1096: Whidby Island, Gardner 253. 



Zonal distribution: Humid Transition. 



3. Abronia mellifera Dougl.; Hook. Bot. Mag. 56: pZ. 2S79. 1829. 

 Abronia suksdoifi Coult. & Fi.sber, Bot. Gaz. 17: 348. 1892. 



Type locality: " Near the Great [Celilo] Falls of the Columbia." Collected by Douglas. 



Range: Eastern Washington and eastern Oregon. 



Specimens examined: Rock Island, Sandberg ti* Leiberg 464; Morgans Ferry Snksdoif 

 429; Columbus, Suhsdotf, June 11, 1886; Sand hills of Columbia, Nuttall; Walla Walla, 

 Lyall, June, 1860; Douglas in 1826; Priest Rapids, Douglas in 1826; Prosser, Henderson 2439; 

 Pasco, Piper 2989; Elmer 1055; Hindshaw 16; Kiona, Piper 1807, 2646; Cotton 724. 



Zonal distribution: Arid Transition. 



Abronia fragrans Nutt. is listed by Suksdorf, l)ut the plant probal)ly does not occur in 

 our limits. 



AIZOACEAE. 



MOLLUGO. 



1. Mollugo verticillata L. Sp. PI. 1: 89. 1753. Carpet weed. 



Type locality: "Habitat in Africa, Virginia." 



Range: Washington to New Brunswick and southward to Mexico and South America. 



Specimens examined: West Klickitat County, Suksdorf 1675; North Yakima, Henderson, 

 October, 1892; Parker, Elmer 1077; Wawawai, Piper, August, 1894; Almota, Piper 1878, 

 August, 1894; without locality, Vasey in 1889; Prosser, Cotton 632; Toppenish, Cotton 795. 



Zonal distribution: Upper Sonoran. 



POETULACACEAE. Purslane Family. 



Ovary half inferior; sepals partly united Portulaca (p. 245). 



Ovary superior. 



Capsule circumscissile . Lewisia (p. 246) . 



Capsule not circumscissile. 



Style branches 2; capsule 2-valved, sepals scarious Spraguea (p. 251). 



Style branches 3; capsule 3-valved. 



Sepals deciduous. Talinum (p. 247). 



Sepals persistent. 



Petals 3 to 7 ; stamens 3 to 12 ; leaves fleshy, alter- 

 nate Calandrinia (p. 247). 



Petals 5. 



Corolla zygomorphic ; styles short , clef t nearly 



to the base Montia (p. 247) . 



Corollaregular ; styleselongated ,unitednearly 



to tlie top Claytoni A (p. 248) . 



PORTULACA. 



1. Portulaca oleracea L. Sp. PI. 1: 445. 1753. - Purslane. 



Type locality: "Habitat m Europa australi, India, Ins. Ascensionis, America." 

 Specimens examined: White Salmon, Suksdorf, November, 1879; Almota, Piper, Sep- 

 tember, 1896; Wawawai, Piper, August, 1894; Meyers Falls, Kreager 517. 



