The Spermatophyta of Oklahoma County, Oklahoma

This paper represents a preliminary taxonomic study of the flowering plants indigenous to Oklahoma County. Collections on which it is based were made during the springs, summers and falls of 1939, 1940, and 1941 and also during the spring of 1942

linifolia

Oenothera linifolia Nutt.threadleaf evening primroseNed Johnson Camp, Wichita Mts.Seepy slope on granite hillsid

auriculata

Paysonia auriculata  (Engelm. & A. Gray) O'Kane & Al-Shehbazearleaf bladderpodLesquerella auriculata4 miles east of StillwaterSan

glomerata

Madia glomerata Hookerclustered tarweed;cluster tarweed;mountain tarweed;stinking tarweedmadia gloméruléMadia glomerata6 miles southwest of Pagosa SpringsOpen pine forestPin

hirsuta

Phacelia hirsuta Nutt.fuzzy phacelianear edge of Beaver Bend State Park, northeast of Broken BowOpen oak-hickory-pine woods on hillsideOak, Hickory, Pin

skirrhobasis

Aphanostephus skirrhobasis (DC.) Trel.Arkansas dozedaisyon western edge of Cimarron River Valley, 9 miles west of Cushinggrowing in san

arguta

Drymocallis arguta (Pursh) Rydbergtall wood beautypotentille âcrePotentilla argutaNear top of Mt. Scott., Wichita Mts.Corolla nearly whit

fendleri

Calylophus hartwegii (Benth.) P.H. Raven subsp. hartwegiiHartweg's sundropsOenothera hartwegii var. fendleriGould, 5 mi. east ofGypsum hillside

atriplicifolium

Cycloloma atriplicifolium (Sprengel) J.M. Coulterwinged pigweed;plains tumbleweed;tumbling ringwingcycloloma à feuilles d'arrocheCycloloma atriplicifoliumdried bed of the Cimarron River, 1 mile south of PerkinsSand, dried bed of river(2 feet tall and 2 feet wide; densely branched

Nuttallianus

Astragalus nuttallianus DC.smallflowered milkvetch3 miles west of Indiahoma near western edge of Comanche, COClay, prairie hillsidePenstemon Cobeaabundan