272 NEBRASKA STATE HORTICULTURAL SOCIETY. 



G. Flowers Pink. 



I. Flowers large, 1 to 2 inches across. 



1. Flowers saucer-shaped; plants succulent and leafless; in central 



and western Nebraska Melon Cactuses (Cactus) 



2. Flowers funnel-shaped; plants twining. .Morning Glories {Ipovioea) 

 ' 3. Flowers funnel-shaped; plants woody bushes; found only in east- 

 ern Nebraska near the water Rose Mallows (HiMscus) 



II. Flowers smaller. 



1. Flowers loosely irregular and spreading; plants tall, 



Spiderworts (Tradescantia) 



2. "Flower" compound of 5 small pink flowers, the whole looking 



like a simple flower; plants almost leafless, with milky juice. 

 A very pretty plant Prairie Pinks (Lygodesmia) 



H. Flowers Purple. 



I. Flowers large, open, funnel shaped; plants bush-like; in central and 



western Nebraska Bush Morning Glories (Ipomoea) 



II. Flowers medium sized. 



1. Flowers saucer-shaped, about 1 inch across; worthy of cultivation, 



Poppy Mallows (Gallirhoe) 



2. Flowers tubular, 1 to 2 inches long. Found rather sparingly, 



late in the season Gentians {Oentiana) 



3. Flowers irregular, resembling pea-blossoms. In western Ne- 



braska Lupines (Lv.pinus) 



III. Flowers small. 



1. Plants woody. 



«. Plant silky, hairy, low. Common on the prairies, 



Shoe-String {Amorpha) 

 b. Plant smooth, larger. Found along streams and ditches. 



False Indigo (Amorpha) 



2. Plants erect, herbaceous, with the small flowers in compact erect 



spikes Purple Prairie Clovers (Kuhnistera) 



IV. "Flowers" compound of many minute flowers, the whole looking 



like a simple flower. 



1. "Flowers" with rays. 



a. Center of "flower" a cone; plants coarse. Root containing a 



medicinal property Purple Cone-flower (Brauneria) 



&. Center of flower flat: plants not coarse Purple Asters (Aster) 



2. "Flowers" without rays. 



a. Plants without prickles. 



i. Flowers in spikes. Some species are cultivated for their 



beauty Blazing Stars (Lacinaria) 



ii. Flowers in flat-topped clusters. Worthy of being cultivated, 



Ironweed (Ve7nonia) 



b. Plants very prickly throughout. We have many species, all 



of which are weedy Thistles (Carduus) 



