20 BULLETIN 720, U. S. DEPARTMENT OF AGRICULTURE. 
TaB.LE I.—Iiems of vegetable food identified in stomachs of mallard ducks and the number 
in which found—Continued. 
| 
Kind of focd: Poumon | es “Black 
Total number of stomachs examined..........-----2+-+2eeeee-eeeeceeeeeee et ey 25) | 622 51 
SuBKINGDoM SPERMATOPHYTA—Continued. 
Polygonacee—Continued. 
Polygonum hydropiperoides (water pepper) ..--.-....-...-------------- D5 ever ibn ae a ph Op 
Polygonum lapathifoliwm (smartweed)........-.....------------------ 5 Dulas cy 
Polygonum opelousanum (smartweed)....-...-----.-------------+---- 53 Zi leeks seats 2 
Polygonum pennsylvanicum (smartweed).......---------------- aes eNS 8 Sill Sex gape 
Polygonum persicania (smartweed)...----2.-----2----2--25--4--2-2--- 10 =| ah is ge 
Polygonum punctatum (smartweed)......-- LED erent re dace, ca Sut 2 Dohsttslecselse - 
Polygonum sagittatum (prickly smartweed)..----.-..---.-------------- 107 47 16 
Polygonum sp. (unidentified smartweeds)......---.......------------ 191 45 1 
HLAGOPYyTUin ESCULentL ms (DUCKWhEAt) eos. snes se eee eee ee ee eee Byi/ =, sae sect acll epee eee 
EB TAL TTC CITT OS CPEs eRe weed sae NO, p 8 cp a ape Ses AB e  e ANic.. . sees ly Fe eee 
Amaranthacee. | 
AmaTanihusispa(iuimbleweed) sunset eee eee ee ee eee eee eee eee 4 | 3 | Jee eAR ple? 
Chenopoediacez. 
Chenopodium albuny @amibis-quarters))| 2-454) sees ee eee eee De ac eects fepeaecaar ae 
Chenopodiumisps damb/s-quarters) == sooo ee ese eee ee eee i Ou 1 ore 
Saisolaskalt: (Saltwont) aoo8 bac ee ee ees ake eee cite cite tate es emcee 1 | Pee ech Sees oe 
Meri plecspesalt bush) s:< sess soe nee Peay oe poem ie eee a 
Salicornia ambigua (pickle grass)..........--------+--------- fic Sa ee EN erasers 2 sey la heat "i 
SMHiconniars pa (pICKlelenasS) even eee ee sey ee ees eee |. -otssere | Spare = 22 
Phytolaccacez. | 
FIV EOLUCC OLA MENGE NG (DOKEWCEG) Sere sos neee eee ee eee eee eee Peg Be ates cS oe leeds 
SERAU UN CANAL TTOULYSY Reel aN oh ulin igs ei Nese EL SE hire eS ot Ste, a= eee le ae PEPE foo ee cee ae 
Portulacacez. 5 
LAD ROE OUGHUAAH (OBIS ENTE) S Saogcossucsoonedoccacedudondeccannoasases 1 | eb eb Ns repels a Sa 
Aizoacee. 
SCSUSULENML MUUNMELILATIO (SCA DUES AMC) axe qa ae es eee ee aoe eee =e eee ea. ae 
Caryophyllacee. 
Winidentified';ehickweed 3252526... 22 6 Be ose stacey eee erent dso). SSeS eos 
NORA IN FOIA Ord (SEN ELO NYO) EL) A eRe Sees SS EROS ae Se SCS eee Ss ar aera. | Deca in 2. | eicces eee 
Ranunculacee. 
Batrachium trichophyllum (white water-crowfoot).--.....---.---------- d |. onc ete selene 
Batrachium sp. (white water-crowlooh)ie-s-- 22 eeee ree eee ee Sait see ators 
Ranunculus delphinifolius (yellow water-crowfoot).-...--------------- | 10 | debt Se eres siReStrs Tae 
Ranunculus missouriensis (yellow water-crowfoot)......-----.-------- 8 | ese | cictechaeeiae 
RONUNCULWS SP. (CROWLOOL) 2a2 eae ee ae ee ay ga DS ile tee ie Logieaieny 
Ceratophyllacez. | 
Ceratophyliim denersums(Coontall) hee eseeeese eee eee e oe eee eee 669 12 1 
Cabombacez. | 
Brasenia schreberi (water shield) i.. sacees ete mcceer co econ ee eee 70 33 1 3 
Cabomba caroliniana (Carolina water shield).-..-...-...-----------.-- ME bocsaeeena escsesecor 
Nympheacez. | ; 
INGUIN pheO CAVE (SPAtteLdOCk)e-paeece neeeee eee eee eee eee eee Silos 5 cease celereaen 3 
Nympheza americana (spatterdock).........--.+--------e-e-eecee ee eens [eceee eens Tilecteecc hoe 5 
Nun pha polsepala (SpatterdOck) se sessee- eee eee tee 5a] e2ke eet seeeecceee . 
Nymphs sp. (Spatterdock):o........< ce sosece see eecee eee eee 8 | i 6 - 
Casiahamexicang (banana waterliliy)) se cesscee sees ee eee eee 134] Aes Gee 1 
COSICTIGSD A CWATEHIIU YW Noel minin ein eiain ate es oe anes ceeeisee cineca 14 2 2 
Unidéntifiediwaterliliossses- 22 fo .<- 2). we ichcae one see etiaeete Sil usaeis cee beta | RO eee 
Papaveracee. : 
Papavegsp, (POPPY) s= 5 =m ine «= 2a see a meee oe eee eee ree el te 1: lacem aoseelaeaee cee 
