120 Order SCROPHULARIALES 
Stamens 4, all anther-bearing. 
Corolla regular or slightly 2-lipped. 
Flowers solitary on scape-like peduncles. 9. Limosella. 
Flowers axillary, or in terminal, bracted racemes. 
Stamens nearly equal; corolla tube short. 13. Afzelia. 
Stamens very unequal; corolla tube several times as 
long as the calyx. 14. Gerardia. 
Corolla distinctly 2-lipped. 
Leaves entire or serrate, never pinnately lobed. 
Leaves opposite; flowers axillary, mostly solitary. 
Calyx tube longer than the teeth, distinctly angled. 
5. Mimulus. 
Calyx parted, the tube much shorter than the seg- 
ments, not angled. 6. Monniera. 
Leaves alternate, flowers spicate. 
Upper lip of the corolla much longer than the lower. 
15. Castilleja. 
Upper lip of the corolla shorter than the lower. 
16. Orthocarpus. 
Leaves pinnately lobed or parted. 17. Pedicularis. 
1. Verbascum. 819. 
1. Verbascum thapsus L. Mullen. 
Introduced in the eastern part of the state, but not common. 
Brunswick; Holdrege; Lincoln; Oreopolis; Peru; Scotia; Weeping 
Water. 
2. Linaria. 821. 
Flowers yellow, 2.5-3 cm. long. 1. L. linaria: 
Flowers white or blue, 6-8 mm. long. 2. L. canadensis. 
1. Linaria linaria (L.) Karst. Butter-and-eggs, Yellow Toad-flax. 
Introduced and common locally. Brunswick; Ewing; Lincoln; Min- 
den; Red Cloud. 
2. Linaria canadensis (L.) Dumont. Blue Toad-fiax. 
Reported from Ewing and Oasis. 
3. Scrophularia. 822. 
Corolla dull outside; sterile stamen deep purple; blooms July-Sept. 
S. marylandica. 
Corolla shining outside; sterile stamen greenish yellow; blooms May- 
July. 2. S. leporella. 
1. Scrophularia marylandica L. Figwort. 
In the eastern part of the state, not common. Weeping Water. 
2. Serophularia leporella Bickn. 
Belmont; Red Cloud; Valentine. 
4, Pentstemon. 823. 
Beard-tongues. 
Flowers rarely over 3 cm. long. 
Leaves serrate or the stems pubescent or puberulent. 
Corolla white, 1.5-2 cm. long. 2. P. albidus. 
Corolla red or purple, 2—2.5 cm. long. 
Leaves entire or repand, _ 1. P. erianthera. 
Leaves serrate. 3. P. graces 
