Puate 1. 
14, 
15. 
a. 
ILLUSTRATIONS, 
. Pulsatilla patens (Pasque flower). 6. Typha latifolia........- 
. Sagittaria latifolia. b. A sluggish stream growing full of arrow- 
[erie (Saainicnrey EVI lb)- DR aes sega Geeta aR eee cso la SEEmeneee 
. A mass of Stipa spartea bent under the wind. In the background 
can be seen a number of plants of Echinacea angustifolia in 
bloom. 6. Bunch of Stipa spartea; bunch of long-awned seeds 
of Stipa spartea; a hairbrush made from awns of Stipa spartea. 
. Zizania aquatica (wild rice). Herbarium specimen of straw, a 
few grains not hulled, and a handful of hulled grains as pre- 
pared for food. 6. Zizania aquatica, habit................-- 
. Arisaema triphyllum. 6. Habit picture of Arisaema triphyllum. 
Panaxotritoliumimay also be S@CD) sss <5 ope ce lean ni 
. Tradescantia virginica (spiderwort). 6. A circle of Cottonwood 
leaf toy tipis as made by Indian children of Plains tribes. . .--. 
. Erythronium mesochoreum, entire plant, bulbs, and flowers. 
b. Erythronium mesochoreum, habit of growth on the errs 
. Yucca glaucain bloom. 6. Yucca glauca in fruit.. SAE 
. A bundle of yucca leaves bound up to demonstrate + use as drill 
in fire making. 6. A piece of yucca stem prepared to demon- 
strate use as hearth piece in fire making. c. A dry yucca plant. 
MpIIPISKVCISI COLOR rsn ee era see eam nisee senile Bae heen Sere 
as 
2 th 
Tubers and fruit of Nelumbo lutea. 6. Nelumbo lutea, habit-. - 
Thalictrum dioicum (early meadow rue). 6. Aquilegia cana- 
CONSIS. sai cing eo owieiressjovec eras Sisis se liemisiownlens mses see =mssleays sis 
. Sanguinaria canadensis, detail. 6. Sanguinaria canadensis, 
habit BP ei oe ee ears oie ateis Data a Sie SislasSdip le cctools Se erereimtereeias 
. Wild strawberry native to wild meadows of Nebraska. b. Woman 
of the Teton Dakota pounding chokecherries (Padus melano- 
Carpe) told ry or, will teriSUp ply (oc el ates =tn eee lester letie i= 
Foliage and fruit of Prunus besseyi (sand cherry). 6. Branch of 
Prunus besseyi showing prolificness of this fruit. .....-...---- 
Herbarium specimen of Psoralea esculenta (tipsin)........-....--- 
16. A string of roots of Psoralea esculenta (tipsin) peeled and dried 
tospreservelforiwinler supply s <:e.amm lets scene = eens syne la ais = 
17. a. Vine of Glycine apios (Apios tuberosa). 6. Tubers of glycine 
apios;(Atpiositilberosa) 2 cn..ccw <- sacec seine ovine eeeinaesee seems 
18. a. Specimen of Falcata comosa showing leafy branches with pods 
and small beans produced thereon from the petaliferous flowers. 
b. Leafless branches which grow prostrate on ground surface 
and four large beans produced underground from the cleisto- 
gamous flowers of these leafless branches.............-------- 
19. a. Clusters of fruits of Rhus glabra. 6. Cordage made from inner 
bark of Tilia americana (basswood); a bundle of raw fiber and 
a piece of cord made by hand from the fiber ........-...----- 
74936°—19—33 erH——4 49 
66 
66 
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