504 MINNESOTA BOTANICAL STUDIES. 
alismellus var. Populago, 82. 
Allegheniensis, 35. 
alpeophilus, 45. 
amartllo, 25. 
ambigens, 79. 
ambigens var. obtustusculus, 79. 
amenus Gray, 58. 
amenus Ledeb., 42. 
amplexicaulis, 75. 
Andersoni, 94. 
Andersont var. tenellus, 95. 
apricus, Ul. 
aquatilts, = B. 2. 
aquatilds #, = B. 1. 
aguatilts var, brachypus, = B. 
aguatilzs var. cespitosus, = B 
aquatilis var. confervoides, = 
2. 
aguatilis var. divaricatus, = B. 
rey 
aqguatilts var. flacctdus, = B. 3. 
aguatilés var. heterophyllus, = 
B. 2, 
aguatil¢s var. hispidulus, = B. 2. 
aguatilis var. Lobbiz, = B. 5. 
aguatilis var. longirostris, = B. 
Te 
aqguattlis var. submersus, = B. 3. 
aguatilis var. stagnatalis, = B. 
1. 
aguatilis var. trichophyllus, = 
Be3: 
arcticus, 42. 
arcuatus, 37. 
Arizonicus Greene, 49. 
Arizonicus Lemmon, 49. 
Arizonicus var. subaffints Gray, 
ee 
Arizonicus var. subaffinis Greene, 
42. 
Arizonicus var. 
49: 
arnoglossus, 77. 
subsagittatus, 
arvensis, I. 
Ascherbornianus, 28. 
Asiaticus, 31. 
auricomus, 42. 
auricomus var. Cassubicus, 48. 
Austine, 64. 
Beckit, 70. 
Belvisiz, 12. 
Biolettiz, 93. 
Bloomert, 15. 
Bolandert, 81. 
Bonariensts, 93. 
Bongardt, 37. 
Bongardi var. Douglasit, 37. 
Bongardi var. tenellus, 37. 
brevicaulis, 48, 64. 
bulbosus, 17. 
Canadensis, 7. 
canus, 24. 
canus var. LBlankinshtpit, 24. 
canus var. hesperoxys, 24. 
Californicus, 30. 
Californicus var. canus, 24. 
Californicus var. crassifolius,30. 
Californicus var. latilobus, 30. 
Californicus var. Ludovictanus, 
30. 
caltheflorus, 81. 
cardiophylius, 42. 
cardiophyllus var. pinetorum, 42. 
carpaticus, 50. 
confervoides, = B. 3. 
Cooleyea, = A. 
corthusefolius, 51. 
Chilensis, 15. 
ctléosus, 38. 
circinatus, = B. 1. 
Clintonzz, 26. 
Cusickit, 82. 
Cymbalaria, = O. 
Cymbalaria var. alpinus, =O. 
delphinitfolcus, H.B.K., 23. 
delphintfolius Torr., 70. 
