120 
1043. S. minimum, Fries. 
Ponds and streams, southeast; rare. July. (P.) 
Pine Station, Ind., Babcock / Clarke, Ind., short and partly out of 
water, Hill. 
ARACEJE. 
ARXS2EMA, Martius. Indian Turnip. 
' 1044. A. triphyllum, Torr. Jack-in-the-Pulpit. 
Moist woods and shaded swamps; common. April— June. 
A form having acuminate leaflets with one or two lobes is occasionally 
found. } 
1045. A. draeontium, Schott. Green Dragon. Dragon-root. 
Low shaded banks and wet woods; infrequent. May. 
Often with the last. 
■3 
PELTANDRA, Raf. 
1046. P. undulata, Raf. Arrow Arum. 
P. virginica , Kunth. 
In shallow water, chiefly south and southeast; infrequent. June — 
July. (B.) 
SYMPLO CARPUS, Salisb. 
1047. S. foetidus, Salisb. Skunk Cabbage. 
q. Wet banks, bogs and low woods; frequent. March — May, rarely as 
late as July. 
In 1888 a few specimens were found with the spathe without spots 
or stripes. 
ACORUS, L. 
1048. A. calamus, L. Sweet Flag. Calamus. 
Margins of streams and wet or swampy places; occasionally in drier 
places, where the water accumulates and remains for a short time 
after a storm; common southward. May 15th — June 25th. 
EEMNACE-ZE. 
SPIRODELA, Schl. 
1049. S. polyrrhiza, Schl. Duckweed. 
Lemna polyrrhiza, L. 
Ponds and borders of slow streams; infrequent. 
LEMNA, L. Duckweed. 
1050. L. trisulea, L. 
In small ponds near Lake Calumet, 1884-86, C. P. Murray. Lake 
Calumet, Bastin ! Calumet river, near South Chicago, Hill, Not 
in flower in either locality. (B.) 
