No. 17] FLOWERING PLANTS AND FERNS 209 
KNEIFFIA Spach. 
Kneiffia fruticosa (L.) Raim. (Oenothera fruticosa L.). Sun- 
drops. 
Open woods and dry soils. Ripley; Grenada; Starkville 
(Tracy) ; Smith Co.; Chunky; Hattiesburg. May. 
Geol. Sur. Herb. 
Kneiffia linearis Michx. Spach. (Oenothera linearis Michx.). 
Pine Larrens Sundrops. 
Dry pine barrens near the coast. (Reported in Hilgard 
Manuscript from Rankin county). June. 
Kneiffia linifolia (Nutt.) Spach. (Oenothera linifolia Nutt.). 
Flax-Leaf Sundrops. 
Dry open woods and pastures. Jackson (T. P. Bailey) ; 
Tishomingo Co. (Allison). Spring and summer. 
Allison Herb. 
HARTMANNIA Spach. 
Hartmannia speciosa (Nutt.) Small (Oenothera speciosa Nutt.) 
Prairie Hartmannia. 
Open soil, espcia.ly in prairies. Oxford; Newton; Artesia; 
Macon; Jackson. April-June. 
Geol. Sur. Herb. 
GAURA L. 
Gaura ancustifolia Michx. Narrow-Leaf Gaura. 
Dry sands along the shore. Biloxi (Tracy). August. 
Gaura biennis L. Common Gaura. 
Dry open soil, usualy in edges ot fields and pastures. 
Jackson. Summer. 
Geol. Sur. Herb. 
Caura Michauxii Spach. (G. filipes Spach.) Michaux’s Gaura. 
Dry sandy open woods. Oxford; Jackson; Laurel. July- 
September. 
Geol. Sur. Herb. 
Gavra longifera Spach. (G. biennis Pitcheri, Torr. & Gray). 
Pitcher’s Gaura. 
Dry sandy soil (Small). Spring and summer. 
