176 UNIVERSITY OF MISSOURI STUDIES [324 



Baltimore (Rydberg). Near Magnolia; Sugarloaf Mt. ; Spen- 

 cer Mt. (Ramaley). 



NEWFOUNDLAND to ALASKA; NEW YORK and MICHIGAN to 

 COLORADO and OREGON. 



Order 3 2. MYRTALES. 

 Family 77. LYTHRACEAE Lindl. Loosestrife family. 



2931/2. AMMANNIA L. 



720^. A. coccinea Rottb. SCARLET AMMANNIA. 



Marshall lake (W. W. Robbins). 



MICHIGAN to SOUTH DAKOTA; FLORIDA to MEXICO: SOUTH 

 AMERICA. 



294. LYTHRTJM L. LOOSESTRIFE. 



721. L. alatum Pursh. WINGED LOOSESTRIFE. 



Common in swales in the plains, 5100-5600 ft. (Daniels, 



4I3). 



MASSACHUSETTS to SOUTH DAKOTA; KENTUCKY to COLO- 

 RADO. 



Family 78. EPILOBIACEAE D C. Willowherb family. 



295. CHAMAENERION Adans. FIREWEED. 



722. C. angustifolium (L.) Scop. [Epilobium angustifolium 

 L.]. GREAT WILLOW-HERB. NARROW-LEAVED FIREWEED. 



Common throughout, especially in burns and in aspen thick- 

 ets, 5700-10000 (Arapahoe Trail) ft. (Daniels, 211). Also at 

 Caribou, and in the mountains between Sunshine and Ward 

 (Rydberg). A form from the foothills has white flowers 

 (Daniels, 196). 



GREENLAND to ALASKA; NORTH CAROLINA to CALIFORNIA: 

 EUROPE: ASIA. 



7223. C. angustifolium platyphyllum Daniels. Nov. var. 



Leaves remarkably large and broad, some being 17 cm. long 



and 4 cm. broad, and merely acutish at apex; lateral nerves 



