20 



BULLETIN 120, U. S. DEPARTMENT OP AGRICULTURE. 



Table I. — Items of vegetable food identified in stomachs of viallard duchs and the number 

 in which found — Continued. 



Kind of focd. 



Total number of stomachs examined .- 



SUBKINGDOM SPERMATOPHYTA— Continued. 



Polygonaceae — Continued. 



Polygonum Jiydropiperoides (water pepper) 



Polygonum lapathifolium (smartweed) 



Polygonum opelousanum (smart'weed) 



Polygonum pertnsylvanicum (smartweed) 



Polygonum persicaria (smartweed) 



Polygonum puTictatum (smartweed) 



Polygonum sagittatum (prickly smartweed) 



Polygonum sp. (unidentified smartweeds) , 



Fagopyrum esculentum (buckwheat) , 



Brunnichia cirrhosa , 



Amaranthacese. 



Amaranthus sp. (tumbleweed) 



Chenopodiaeese. 



Chenopodium album (lamb's-quarters) 



Chenopodium sp. (lamb's-quarters) 



Salsola kali (saltwort) 



Atriplex sp. (saltbush) 



Salicornia ambigua (pickle grass) 



Salicornia sp. (pidkle grass) 



Phytolaceaceae. 



Phytolacca americana (pokeweed) 



Hivina humilis 



Portulacaceffi. 



Portulaca oleracea (purslane) 



Aizoacese. 



Sesusvium maritimum (sea purslane) 



Caryophyllacese. 



Unidentified duckweed 



Arenariasp. (sandwort) 



Ranunculacese. 



Batrachium trichophyllum (white water-crowfoot) 



Batrachium sp. (white water-crowfoot) 



Ranunculus delphinifolius (yellow water-crowfoot) 



Ranunculus missouriensis (yellow water-crowfoot) 



Ranunculus sp. (crowfoot) 



Ceratophyllacesp. 



Ccratophyllum demcrsum (coontail) 



Cabombacese. 



Brasenia schreberi (water shield) 



Cabomba caroliniana (Carolina water shield) 



Nymphajaeese. 



Nymphxa advena (spatterdock) 



Nymphxa americana (spatterdock) 



Nymphxa polysepala (spatterdock) 



Nymphxa sp. (spatterdock) 



Castalia mcxicana (banana waterlily) 



Castalia sp. (waterlily) 



Unidentified waterlilies 



Papaveracese. 



Papaver sp. (poppy) 



Common 

 mallard. 



2 



5 



53 

 S 



10 



2 



107 



191 



5 



4 



1 

 8 



10 

 8 



28 



669 



70 

 1 



Black 

 duck. 



