430 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



2. Pteryxia foeniculacea (Torr. & Gr.) Nutt.; Coult. & Rose, Contr. Nat. Herb. 

 7: 171. 1900. 



Cymopterus foeniculaceus Torr. & Gr. Fl. 1: 624. 1840. 



Type locality: "On rooks. Blue Mountains of Oregon." Collected by Nuttall. 



Range: Eastern Oregon, eastern Washington, and adjacent Idaho. 



Speclmens e.\.\mixeu: Blue Mountains. Horner 305: PijHr 2340; Tukanon River, Lake dc 

 Hull 535: Alniota, Pifter 2795: Wawawai, Elmer 770; without locality, Vasey 309?; Clarks 

 Springs, Spokane County, Kreager 119. 



Zonal distribution : Arid Transition and Upper Sonoran, 



HESPEROGENIA. 



1. Hesperogenia Strickland! Coult. ct Rose, Contr. Nat. Herb. 6: 203. 1899. 

 Type ukality: "Mount Rainier, Wa.shington." Collected bj' Allen. 

 Range: Mount Rainier, Wa.shington. 



Speclmens e.xamineu: Mount Rainier, AlUn 278; Flett, August, 1897; Stricklartdm 1896. 

 Zonal uistribl'tion: Hudsonian. 



OBOGENIA. 



1. Orogenia linearifolia S. Wats. Bot. King. Explor. 120. pi. IJf.Jigfi. 1 to S. 1871. 



Type localitti": "Damp shaded ridge of the Wahsatch, north of Parley's Park, 7,500 

 feet altitude," Utah. Collected by Watson. 



Range: From Washington and Idaho to Oregon, Utah, and .southwestern Colorado. 



Specimens exa.mined: Falcon Valley, Suksdorf in 1882; cast of the Cascade Mountains, 

 Wilkes Expedition. 



SITJM. 



1. Simn cicutaefolium Schrank, Baier. F'l. 1:5.58. 1798. 



Sium lineare Michx. Fl. 1 : 167. 1803. 



Sium puinllvm Nutt.; Torr. & Gr. Fl. 1 : 611. 1840. 



Type locality: Not determined. 



Range: In swamps from Newfoundland to Virginia, west to British Columbia and 

 northern California. Europe. Asia. 



Specimens examined: Sumas, Lyall in 1858-59; Seattle, Piper, September, 1892; 

 Tacoma, Flett 144, 220; Lindsley's ranch, Clarke County, Henderson 375, Trout Lake, 

 Suksdorf 185; Spokane County, Suksdorf ^^; North Palouse River, Vasey, July 17, 1901; 

 Pullman, Piper; Rock Lake, Lake <& Hull 536; Toppenish, Cotton 768. 



2k)NAL distribution: Transition. 



COELOPLEURUM. 



Leaflets obtuse, very thick 1. C. maritimum. 



Leaflets acute or acuminate, thinner 2. C. longipes. 



1. Coelopleumin maritimum Coult. & Rose, Bot. Gaz. 13: 145. 1888. 



Type locality: "Wet ocean bluffs. Long Beach, Ilwaco (Pacific County), Wash." Col- 

 lected by Henderson. 



Range: Ocean bluffs near the mouth of the Columbia River. 

 Specimens examined: II waco, Henderson, September, 1892; Piper 49d5. 

 Zonal distribution: Humid Transition. 



2. Coelopleurum longipes Coult. & Rose, Contr. Nat. Herb. 7: 142. 1900. 

 Type locality: "Tide marshes near Astoria, Oregon." Collected by Howell. 

 Range: Seacoast swamps, from the Columbia River to southern Alaska. 



Specimens examined: Seattle, Piper 567; Tacoma, Piper; Union City, Piper in 1890; 

 Fairhaven, Suksdorf 1200; Hoodsport, Henderson, August 15, 1890. 

 Zonal distribution: Humid Transition. 

 Formerly confused with the more northern, larger-fruited C. gmelini (DC.) Ledeb. 



