104 POLEMOXIALES 



1. Onosmodium occidentale Mackenzie. 



Common on prairies over most of the state. Beatrice; Broken Bow; 

 Emerson; Kearney County; Lincoln; Sheridan County; Thedford. 



2. Onosmodium hispidissimum Mackenzie. 

 In the eastern part of the state (?). 



10. Echium. 776. 



1. Echium vulgare L. 



Introduced but not common. Bazile Mills; Lancaster County; N^- 



hawka; Plainview. 



5. SOLANACEAE. 



Fruit a berry. 



Calyx inclosing the fruit. 



Calyx inflated and bladder-like in fruit; plant not prickly. 



1. Physalis. 



Calyx not inflated, closely investing the fruit. 2. Solanum. 

 Calyx not inclosing the fruit. 



Herbs. 2. Solanum. 



Shrubs. 3. L-ycium. 



Fruit a large prickly capsule. 4. Datura. 



1. Physalis. 809. 



Ground-cherries. 



Leaves tapering to the base. 



Base of calyx sunken, berry red or purple. 



Leaves 6-10 cm. long, fruiting calyx 10-angled. 1. P. phiiidelphica. 

 Leaves 3-6 cm. long, fruiting calyx 5-angled. 5. P. virginiana. 



Base of calyx not sunken, berry yellow. 



Glabrous, leaves narrowly lanceolate. 2. P. longifolia. 



Sparingly hirsute, leaves broadly oblanceolate or spatulate. 



4. P. lanceolata. 

 Leaves rounded or cordate at the base. 



Glabrous or nearly so, fruiting calyx 3-4 cm. long, deeply sunken 

 at the base. 3. P. macrophysa. 



Densely pubescent. 



Leaves longer than wide. 



Leaves over 5 cm. long, usually cordate. 6. P. heterophyira. 



Leaves less than 5 cm. long, scarcely cordate. 7. P. comata. 



Leaves, at least some of them, as broad as long. 8. P. rotundata. 



1. Physalis subglabrata Mackenzie and Bush. 



In the southeastern part of the state. Nemaha; St. Paul. 



2. Physalis longifolia Nutt. 



Common in low meadows throughout the state. Beatrice; Banner 

 County; Deuel County; Kearney; Newcastle; Republican Valley; 

 Springview. 



3. Physalis macrophysa Rydb. 

 Along railroad near Lincoln. 



