50 
PLATE 20. 
21. 
22. 
23. 
24, 
25. 
26. 
27. 
ILLUSTRATIONS 
a. A cactus native to Nebraska. 6. Gathering buffalo berries (Lep- 
AIL yLAes ALPeN Led) Same eerie aes eae eee ialore 
Heracleumlanatimpeese testes) cea ae eeee ne eee eat 
Cornus}amomumpnibloomt. 5.2.0.5. seer ee eee eee eee ene 
a. Asclepias syriaca, flowers. b. Habit of Asclepias syriaca........ 
Asclepiasisymiacasinuitee 5. <7j22 20ers eee ee Ree eee eee ete 
Ipomoea leptophylla (bush morning-glory). An entire plant, show- 
ing the large root, about 4 feet long-----.--------- = 2-22 see 
a. Ipomoea leptophylla (bush morning-glory), a perennial flowering 
plant native in the sand hills of Nebraska, showing habit. 
b. Ipomoea leptophylla (bush morning-glory).....-..-.-.---- 
a. Pepo foetidissima (wild gourd) in bloom. 6. Strikes Two, an 
aged man of the Arikara tribe, gathering his tobacco.......-. 
. Varieties of squashes and pumpkins cultivated by tribes of Indians 
of Nebraska from immemorial time...........-....-------------- 
. a. Staminate and pistillate flowers of watermelons grown from 
seed obtained from Penishka, an old man of the Ponca tribe. 
bs Uniton vane’ Of ADOVCL. sameeren tec ae sete setae 
29A. Watermelon grown from seed obtained from Penishka, an old man 
30. 
of the Pon Cariribe cn cost oscar ee ee EEE 
a. Echinacea angustifolia interspersed with Stipa spartea. b. Tops 
and tubers of Helianthus tuberosus.....-.......-------- weeps 
30/A\.. Whacinaria  SCATIOSUS'=22 55.25 se = tenement cs <'=:< = = = eee 
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