f>0 PRACTICAL CARP CULTT T KK. 



ABACEJR ARUM FAMILY. 



Acorus calamus, L. Sweet Flag, Calamus. Common. 



LEMNACE^R DUCKWEED FAMILY. 



Lemna* trisulca, L. Duckweed, Duck's meat. Widely diffused. 

 Lemna minor, L. America and Europe. Lemna gibba, L. Chiefly in 

 Europe, but has been found in Arizona. 



TYPHACE^E CAT-TAIL FAMILY 



Typha latifolia, L. Cat-Tail Flag. Very Common. Typha angusti,- 

 folia, L. Narrow-leaved Cat-Tail. Less common, but found in this dis- 

 trict and notably in a pond near the foot of Eighteenth street. 



NAIADACE^E POND-WEED FAMILY. 



Potamogeton natans, L. Pond-weed. Common. 



ALISMACE^E WATER-PLANTAIN FAMILY. 



Alisma natans, L. Water-plantain. Europe, Siberia, Sagittaria 

 variabilis, var. latifolia, Eng. (Sagittaria latifolia, Willd.) Arrowhead. 

 Common. Butomus umbellatus, L. Europe, Northern Asia. 



HYDROCHARIDACE^E FROG'S BIT FAMILY. 



Anacharis canadensis, Planchon. (Elodeacanadensis. Michx.) Water- 

 weed. Common. Valisneria spiralis, L. Tape-grass, Eel-grass. Com- 

 mon. 



IRIDACE^E IRIS FAMILY. 



Iris pseud acorus, L. Europe; Siberia. 



JUNCACE^E RUSH FAMILY. 



Juncu* effusus, L. (=/. conglomerates, L.) Common Rush. 



CYPERACE^E SEDGE FAMILY. 



Scirpus lacustris,!^. Bulrush, Tule. Common. 



GRAMINE^E GRASS FAMILY. 



Zizania aquntica, L. Indian Rice, Water Oats. Potomac Flats, etc. 

 Glyceria aquntica, Smith Reed Meadow Grass. Common northward. 

 Glyceria flwtans, R: Br. Common, but has not been found nearer Wash- 

 ington than Great Falls. Festuca fluitans, Leeds- -Europe. Phravmite* 

 communis, Triu. (Arunda phrag mites, L.) Reed, Cane. 



CRYPTOGAMIA. 



Azolla caroliniana, Willd. New Yord to Illinois and southward. 



We omitted from this list the Utricularia vulgaris, or Bladderwort, be- 

 cause of its fish-eating character, as shown in a former chapter. 



Culturists wishing any of these plants can be supplied by addressing 

 Hugo Mulertt, 64 Calhoun street, Cincinnati, Ohio, or W. S. Ritchie, 

 Hudson, Ohio. 



