52 BULLETIN 862, U. S. DEPARTMENT OF AGRICULTURE. 
TABLE I.—Items of vegetable food identified in the stomachs of the ducks treated in this 
bulletin and the number of stomachs in which found—Continued. 
: a _| Green-| Blue- | Cinna-| pp. 
Kind of food. wall, | pate. |"inged| winged| mon | £27" | Guok: 
Total number of stomachs examined ............. 417 255 653 319 AY 790 413 
SuBKINGDOM SPERMATOPHYTA —Continued. 
Salicaceae. | 
Saliz sp. (willow), galls.........----..- weiss ea ae Se bi eee eee 
Salix sp. (willow), capsules........-.-..-------- iM ee (ae ee er Peeks | eee | Boe = 1 
_ Myricaceae. : | 
Myrice cerifera: wax myrtle). 2.22523 joo | a eee | See os ea | os ee eee eee 6- 
Myrica culifornica:(California myrtle) 22-2. 222). aes] sane ee ee tee See ee Sls 
Myrica sp. (unidentified myrtles).............. 7 5 4 1 Sd aE 42 | 3 
Juglandaceae. 
Hicoria aquatica (bitter pecan).......- eo Soeea telat feaee 2a) ae coe a eae 7G 
Betulaceae. 
Carpinus caroliniana (hornbeam; blue beech)..)-..-..- [scopes sod oS eee eee Eset 
JEGH LUGAR) bei (dN) pesos cecoecaucccoe ceedeesescd Saoesadiccs: ne 5 eS Sats Ae Se ee pe ee 
PANTIAES'S Poot CAGE) pga ce ae ola ae ella ete eat eee ree ee Sarees Dip isst a ee eee | 1 tos 
Fagaceae. 
Fagus grandifolia (American beech)...-.-- bers eee froraceris are [lavoro See eee ee ane ee ‘bes 
Quercusrubra (red Oak)... 225.2 222-222 55228 face so ee eee (i ese eee Se: 
Quercus palustris (pin oak). ....-.-.-.------- sips ee ee eee ee 
Qurercuss Nig @ CWALGE OAc) 2 ain 5 aac eae hems | a fe eee | ee | re 
Quercus marylandica (black-jack oak) ......- scab ee als a | BER ee eee ere 
Quercis lobata (valley Oak). < =.= 502 Se 522 asa aa] ees pa ee | 
Quercus sp. (unidentified‘acoms) . << ..22.-<=-- |. 5 -2<-|22ec--=| noo of pean karte 2 pate 
Urticaceae. 
Ulmus sp. (elm)... -..---- pocpuudesocancocsaceest | ee |i.53 Sok Ses eaoee eee eee eee 1 
Planera aquatica (water elm) <- 2 2. <2 a 22 ecinn oo |e a afer 66 
Celtis Sp. (hackberry ).. ---------=---=----=----= 1 | 222. \e ee ee eee 1 
Morus rubra (red mulberry)....-...-.---------|----- al anes been | Re ee (em NI te 1 
Boehmeria cylindrica (false nettle)....-....--.- il eee a Corts eee aes Se eet ed 3 
Boehmeria'sp. (false nettle) -— -- -=- =< 22. == 23}: ~~~ -|e- =e Fi Se a ee ee 
Polygonaceae. 
Rumez persicarioides (golden dock)......------|-------|------- |e eee een herr 
Rumez sp. (dock)......------ etic eee Se Zl 4 2 2 7 7 
Polygonum amphibium (water Smartweed)..--. = Meco) 11} 34 27 3 23 | 24 
Polygonum.arifolium (prickly smartweed)......|.-..-.-|--.----|--------|--------|-------|------- 1 
Polygonum aviculare (knotweed)..------------- 2 2 eed ine cre (2 Se 
Polygonum convolvulus (black bindweed).....- 1 1 fap Se eee 1 el EPs 
Polygonum hydropiper (water pepper)....----.- 2 2 12 1 Se 5 8 
Polygonum hydroptperoides (mild water pepper) 2 1 10 =) Beebe 29 24 
Polygonum lapathifolium (dock-leaved smart- 
WEG) <7 ae oes tee ame a ere) ere See 5 6 29 26 3 6 |. 4 
- Polygonum opelousanum (Smartweed)..--.---- je eer AES (oa sen 4 10 
Polygonum pennsylvanicum (Pennsylvania 
SIMEBEL WCCO) sos e oe eae ee eeeaecae 75 rites oe 3 Sie 5 4 
Polygonum persicaria (lady’s-thumb)....------ 2 2 9 10 1 3 2 
Polygonum portoricense (dense-flowered smart- 
220) Re Nees NernG Pe emet re ah Nearer Moca et cn ae 3 Pfs ot eee teens 
Polygonum punctatum (dotted smartweed)..--.|-------|------- CW Peete ehaSecc 1 ba! 
‘Polygonum sagittatum (arrow-leaved smart- : 
MVOGd Vicar. Sav oe NESS ee eee meee ec eeerees D3 eet wee 7 | es 10 8 
Polygonum sp. (unidentified smartweeds)....--').---.--!------- 22 16 3 22 17 
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