22 



BULLETIK 720, tr. S. DEPARTMENT OP AGRICULTURE. 



Table I. — Items of vegetable food identified in stomachs of mallard duels and the number 

 in which found — Continued . 



Kind of food. 



Common 

 mallard. 



Black 

 duck. 



Southern 

 black 

 duck. 



T otal number of stomachs examined 



SUBKINGDOM SPERMATOPHYT A— Continued. 

 Malvaceae. 



Mhlva sp. (mallow) 



Sida sp. (nail grass) 



Hibiscns moscheutos (rose mallow) 



Hibiscus sp. (marsh mallow) 



Unidentified 



Hypericaeese. 



Hypericum sp 



Passifloraceae. 



Passiflora incarnata (passion flower) 



Caetaceae: 



Opuntia sp. (prickly pear) 



Lythracese: 



Decodon verticiUatus (wiUow herb) 



OnagraceEe: 



Jussixa leptocarpa (primrose willow) 



Jussiza sp. (primrose willow) 



Haloragidaceae: 



Hippuris vulgaris (bottle brush) 



Proserpinaca pectinata (mermaid weed) 



Proserpinaca sp. (mermaid weed) 



MyriopJiyllum heteropTiyllum (water milfoil) 



AfyriopJiyllum sp. (water milfoil) 



Ammiacese: 



Hydrocotyle sp. (waterpenny) 



Centella asiatica (waterpenny) 



Apium graveolens (celery) 



Cicuta sp. (water hemlock) 



Unidentified 



Comacefe: 



Cornus florida (flowering dogwood) 



Cornus nuttallii (flowering dogwood) 



Cornus alternifolia (dogwood) 



Cornus asperifolia (dogwood) 



Cornus occidentalis (dogwood) 



Cornus stolonifera (dogwood) 



Cornus sp. (dogwood) 



Berchemia volubilis (blackjack) 



Nyssa aquatica (tupelo) 



Nyssa sylvatica (sour gum) 



Nyssa sp. (tupelo) 



Fricaceae: 



Ledum sp. (Labrador tea) 



Arctostaphylos sp. (kinnikinnik) 



Vacciniacea': 



Gaylussacia baccata (huckleberry) 



Gaylussacia sp. (huckleberry) 



Vaccinium sp. (blueberry) 



PrimuIaceEc: 



Anagallii arvensis (pimpernel) 



Ebenaeeae: 



Diospyros virginiana (persimmon) 



226 



4 



2 



24 



1 



1 

 1 

 1 



28 

 2 

 1 

 17 

 60 

 22 

 17 

 2 



1 

 1 



51 



