110 SCROPHULARIALES 
2. Acerates angustifolia (Nutt.) Dec. 
Common in dry soil all over the state. Cherry County; Cowles;. Em- 
erald; Kearney; Lincoln; Plummer Ford; St. James; Sheridan 
County. 
3. Acerates floridana (Lam.) Hitchc, 
In dry soil throughout the state. Haigler; Hastings; Lincoln; Saline 
County. 
4. Acerates auriculata Engelm. 
In dry soil in the western part of the state. Banner County; Deuel 
County; Lewellen; Minden; Valentine. 
5. Acerates lanuginosa (Nutt.) Dec. 
Occurs over most of the state, though not abundant. Crete; Clear- 
water; Lincoln; Minden; Ponca; Thedford. 
4. Gonolobus. 746. 
1. Gonolobus laevis Michx, Sand Vine. 
Rare in the southeastern corner of the state. Nemaha; Rulo. 
SCROPHULARIALES., 
Flowers regular, fertile stamens 5. (Verbascum.) 1. Scrophulariaceae. 
Flowers irregular, fertile stamens 2 to 4. 
Leaves green, plant not parasitic. 
Plants with normal aerial leaves. 
Placentae axile, ovary 1 or 2-celled, capsule not long-beaked. 
Capsule not elastically dehiscent, calyx lobes if filiform much 
less than 2 cm. long. 1. Scrophulariaceae. 
Capsule elastically dehiscent, calyx segments, in our species. 
filiform, 2—2.5 cm, long. 5. Acanthaceae. 
Placentae parietal, ovary 1-celled, capsule with 2 curved beaks 
longer than the body. ; 2. Martyniaceae. 
Plants with floating, finely dissected, bladder-bearing leaves. 
4. Lentibulariaceae. 
Leaves not green. scaly, plants parasitic. , 3. Orobanchaceae. 
1. SCROPHULARIACEAE. 
Fertile stamens 5, corolla regular, rotate. 1. Verbascum. 
Fertile stamens 4 or 2, the fifth if present sterile. 
Corolla spurred at the base. 2. Linaria. 
Corolla not spurred at the base. 
Anther bearing stamens 2 or if four the capsule flattened and 
emarginate at the apex. 
Capsule terete, pointed. 
Flowers solitary in the axils. 
Flowers yellow or whitish, peduncles with 2 bracts at the 
summit. 8. Gratiola. 
Flowers purplish, peduncles bractless. 7. Ilysanthes. 
Flowers in dense terminal spikes. 12. Leptandra. 
Capsule flattened, obcordate or emarginate at the apex. 
Corolla 2-lobed or wanting, flowers in dense terminal spikes. 
10 Besseya. 
