504 



MINNESOTA BOTANICAL STUDIES. 



alismellus var. Populago, 82. 



Allegheniensis, 35. 



alpeophilus, 45. 



amarittoi 25. 



ambigens, 79. 



ambigens var. obttisiusculus, 79. 



amcenus Gray, 58. 



amoenus Ledeb., 42. 



amplexicaulis, 75. 



Andersoni, 94. 



Andersoni var. tenellus, 95. 



apricus, 1 1 . 



aquatilis, = B. 2. 



aquatilis /?, = B. i. 



aquatilis var. br achy pus, = B. 3. 



aquatilis var. ccespitosus, = B. 3. 



aquatilis var. confervoides, = B. 



3- 

 aquatilis var. divaricatus, = B. 



i. 



aquatilis var. flaccidus, = B. 3. 

 aquatilis var. heterophyllus, = 



B. 2. 



aqziatilis\2it. hispidulus, = B. 2. 

 aquatilis var. Lobbii, = B. 5. 

 aquatilis var. longirostris, = B. 



i. 



aquatilis var. submersus, = B. 3. 

 aquatilis var. stagnatalis, = B. 



i. 

 aquatilis var. trichophyllus, = 



B. 3 . 



arcticus, 42. 

 arcuatus, 37. 

 Arizonicus Greene, 49. 

 Arizonicus Lemmon, 49. 

 Arizonicus var. subajfinis Gray, 



49- 

 Arizonicus var. subajfinis Greene, 



42. 

 Arizonicus var. subsagittatus, 



49- 

 arnoglossus, 77. 



arvensis, I . 



Ascherbornianus, 28. 



Asiaticus, 31. 



auricomus, 42. 



auricomus var. Cassubicus, 48. 



Austince, 64. 



Beckii, 70. 



Belvisii, 12. 



Biolettii, 93. 



Bloomer i, 15. 



Bolanderi, 81. 



Bonariensis, 93. 



Bongardi, 37. 



Bongardt var. Douglasii, 37. 



Bongardi var. tenellus^ 37. 



brevicaulis, 48, 64. 



bulbostis, 17- 



Canadensis, 7. 



canus, 24. 



canus var. Blankinshipii, 24. 



canus var. hesperoxys, 24. 



Calif ornicus, 30. 



Calif ornicus var. canus, 24. 



Calif ornicus var. crassifolius^o, 



Californicus var. latilobus, 30. 



Calif ornicus var. Ludovicianus, 



3. 



calthceflorus, Si. 

 cardiophyllus, 42. 

 cardiophyllus var. pinctor um, 42. 

 carpaticus, 50. 

 confervoides, = B. 3. 



Cooleyce, = A. 

 corthuscefolius, 5 1 . 



Chilensis, 15. 

 ciliosus, 38. 

 circinatus, = B. i. 



Clintonii, 26. 



Cusickii, 82. 



Cymbalaria, = O. 



Cymbalaria var. alpinus, = O. 

 delphinifohus, H.B.K., 23. 

 delphinifolius Torr., 70. 



