66 



4123 Watsoni T. & G. 



4124 Wrightii Torr. 



4125 subscaposa Wats. 



Kumex 2O88 



4126 Acetosa L,. 



4127 Acetosella L,. 



4128 altissimus Wood. 



4129 Arizonicus Britton 



4130 Berlandieri Meisner 



4131 Brittanica L. 



4132 bucephalophorus L. 



4133 conglomerates Murray 



4134 crispus L. 



4135 densiflorus Osterhout 



4136 fascicularis Small 



4137 Floridanus Meisner 



4138 Geyeri (Meisner) Trelease 



4139 hastatulus Muhl. 



4140 hymenosepalus Torr. 



4141 lacustris Greene 



4142 Langloisii Small 



4143 obtusifolius L. 



4144 occidentalis Wats. 



4145 nanus (Hook.) Trelease 



4146 Patientia L. 



4147 paucifolius Nutt. 



4148 persicarioides L. 



(R. maritimns of Gray's 

 Manual, not L.) 



4149 pulcher L. 



4150 salicifolius Weinm. 



4151 salinus Aven Nelson 



4152 sanguineus L. 



4153 spiralis Small 



4154 subalpinus Jones 



4155 venosus Pursh 



4156 verticillatus L. 



Oxyria 2O89 



4157 digyna (L,.) Camptd. 



Polygonum 2O94 



4158 alpinum Allioni 



4159 Alaskanum Small 



4160 foliosum (Keller) Small 



4161 amphibium L. 



4162 arifolium L. 



4163 Austinae Greene 



4164 aviculare L. 



4165 Bellardi Allioni 



4166 Bidwelliae Wats. 



4167 bistortoides Pursh 



(P. Bistorta of authors, not L,.) 



4168 linearifolium (Wats.) Small 



4169 Bolanderi Brewer 



4170 Californicum Meisner 



4171 camporum Meisner 



4172 Careyi Olney 



4173 cilinode Michx. 



4174 Convolvulus L. 



4175 cristatum Engelm. & Gray 



4176 Davisiae Brewer 



4177 Douglasii Greene 



4178 montanum Small 



4179 dumetorum L. 



4180 emersum (Michx.) Britton 



(P. Muhlenbcrgii Wats.) 



4181 Engelmanni Greene 



4182 erectum L. 



4183 exsertum Small 



4184 fusiforme Greene 

 Greenei Wats. 

 Hartwrightii A. Gray 

 hirsutum Walt. 



glabrescens Meisner 

 Hydropiper L. 

 hydropiperoides Michx. 



Macounii Small 

 incarnatum Ell. 

 Islandicum Meisner 



4194 Kelloggii Greene 



4195 lapathifolium L. 



4196 incanum (Schmidt) Koch 



4197 nodosum (Pers.) Small 



4198 littorale I v ink 



4199 Sitchense Small 



4200 longistylum Small 



4201 maritimum L,. 



4202 Meisnerianum Beyrichianum 



(C. & S.) Meisner 



4203 Mexicanum Small 



4204 minimum Wats. 



4205 minus Hudson 



4206 Newberryi Small 



4207 Nuttallii Small 



4208 Opelousanum Riddell 



4186 

 4187 

 4188 

 4189 

 4190 

 4191 

 4192 



