MINNESOTA STATE HORTICULTURAL SOCIETY. 109 
ELM AGNACEX. THE OLEASTER FAMILY. 
EL#AGNUvS, Linneus. 
argentea. Pursh. Silver-berry. 
SHEPHERDIA, Nuttall. 
Canadensis, Nutt. 
argentea, Nutt. Buffalo-berry. 
SANTALACER. Tue Sanpal-woop FamILy. 
CoMMANDRA, Nuttall. Bastard Toad Flax. 
umbellata, Nutt. 
CERATOPHYLLACEAX. Tue Honeworr FAMILy. 
CERATOPHYLLUM, Linnzus. Honewort. 
demersum, Linn. 
CALLITRICHACEZ. Tue Water Starwort FAmMILy. 
CALLITRICHE, Linnzeus. Water Starwort. 
verna, Linn. 
EUPHORBIACE®. Tur SpurGe FaMILy. 
EvpPHoRBIA, Linneus. Spurge. 
polygonifolia, Linn. 
Geyeri, Engelm. 
maculata, Linn. 
hypericifolia, Linn. 
marginata, Pursh. 
cyathophora, Jacq. 
corollata, Linn. 
ACALYpPHA, Linnzeus. Three-seeded Mercury. 
Virginica, Linn. 
URTICACER. Tue Nerrie Famity. 
Utmus, Linnzus. Elm. 
fulva, Michx. Slippery Elm. 
Americana, Linn. White Elm. 
CetTis, Tournefort. Hackberry. Nettle-tree. 
occidentalis, Linn. Sugar-berry. 
Urtica, Tournefort. Nettle. 
gracilis, Ait. 
LaporTga, Gaudich. Wood Nettle. 
Canadensis, Gaud. 
Pintea, Lindley. Richweed. 
pumila, Lindley. 
Ba:uMERIA, Jacquin. False Nettle. 
cylindrica, Willd. 
PARIETARBIA, Tournefort. 
Pennsylvanica, Muhl. Pillitory. 
Humutvs, Linneus. Hop. 
lupulus, Linn. 
PLATANACEZ:. THE PLANE TREE FAMILY. 
PLATANUS, Linneus. Plane-tree. Buttonwood. 
occidentalis, Linn. Sycamore. 
