INDEX 
Pe lymaeneyac ss Se 128 
Potamogetonaceae - ~~ +--=__-~_ 135 
Roly podiacene, 2 a 144 
Polemoniaced@«22 2-2 =.= === = 88 
Phrymacede@ se 6 = 85 
Bapaveracéae. = - =.= a= 88 
2m Cea Ca esas cet See 90 
Penthoraceaey == 92, 
Podosemum— 
Cr OMl ate a heer ae 29 
FREON ee a 29 
trichopodes. —P a. eo 30 
pUNgenS Loe ee ee 32 
sracilimun . 2520 2222s = 2 33 
On Chie =~ See ee 36 
reverchon) © 225" -- 4.521." 38 
ARTLING pre oe ee A 40 
UTE MI COMMS eee eee ee ee 41 
GEXeUM Ue oe Al 
Premanpne@s ca ST 
Quadrula— 
ENC aber = es eee te ae 10 
PopiginOsaA 22 ot eS 11 
GCOCCIN Cage sae een eet ee il 
UO SECU ates ae es ee 12 
(Rij OWEN Clete (evn as UR ai ee eae eee eee 95 
Ranunculaceae _._-__-____ Bs 6 
altace Ge is eee 58 
HOSA CAC Barak Saree esr can 89 
Rum Village, Birds of________ 26 
Salicaceaey at cee te. ee a 61 
Solanaceae (eas. Buse ee ee 84 
Scrophularigcede 2) 2 a 84 
SoOldaeO ee ee. ee eS 131 
Sasdteraraceac. = 2s jae 92 
Smilacaceaep 2a. 2 ee 136 
Sparganiacede — 222 suse 135 
Snendocona, tS ee 131 
Swanphiynota, {62 ete eee 8 
St. Josepha iver s-2=. ssa 1 
Trianthella— 
plutinosas.. 23. eee 127 
PACCMOS AN ea en ee 127 
Lynhaccders=—2-- =e 135 
Tpilltaceaes =a we as a 136 
Trees, Flowers, Grasses, etc.___148 
Wihmacelies 2222 Aen ee 62 
Uitriculariaceaes=2 == 85 
Lrticacede.. =) shi ee eee 62 
United States Museum_____-_~- 165 
eVibacede: soot): sear te eeiien 93 
Matis ee ee cities Meee 129, 128 
Viburnum eradiatum _________ 130 
Verbenaceae 22s ee ee 86 
Violacede / s4a > see ee ee 57 
BV OUG et ae ae ere eee 148, 146 
Winters of Central Iowa_____- 21 
