22 BULLETIN 720, U. S. DEPARTMENT OF AGRICULTURE. 
TaBLe I.—Items of vegetable food identified in stomachs of mallard ducks and the number 
in which found—Continued. 
Kind of food. osu 
‘T cial number.ol Slomachs @xamined - 2.2. = <- 2s 54 nee ee ee 1,725 
SUBKINGDOM SPERMATOPHYTA—Continued. 
Malvacee. 
Matloasp. Guallow) ss. -2-2--s-sse eee oe Sa tiSk eee Uae eee ee 2 
Sida sp: Gail grass). cos.s2.2Sesec ess. Se ee sc ee ee eee 6 
Hibisens snoscheuios (cose MallOw) ee ee es ee ee ee ee ee 
Hibiscus sp. (marsh mallow). ...- ae tee ee es eee Ss oe 
Unidentified........--... S22 $55 55522 sas oe Fe S555 2 S525 2222 see 2 
Hypericacee. =) See 
FIYPCNCUIN SD 2 5 5 so Sse Jo SoS See eae Fs ss ee eo aes sae eee ee eee 
Passifioracez. : 
Passifiora inearnata (passion ower)! ~2< ste oss er eee eee 1 
Cactacez: 
Opuntisp: (prickly pear) 22-22 A ee eee ee | 1 
Lythracez: 
Decoion veractaias: (willow Herb) =. 23s se 15 
Onagracez: ; 
Jussiza leptocarpa (primrose willow) .......... ...-...---22222------- 2 
Jussieasp: (primrose willow) = 222-~s~<<~ ean ee ee 3 
Haloragidacez: ; 
Eippuris vulgaris (bottle brush) - ....~...=..-..- 2.22. +2. 22 eee ese 47 
- Proserpinaca pectinata (mermaid weed).............-..-----2----+---- 4 
Proserpinaca sp. (mermaid weed). -.-..-----.------------------------- 52 
Myriophyllum heterophyllum (water milfoil).......-..---..........---- 2 
Myrwphylinmsp: Gwater milfoil). ce asses Sb ee 86 
Ammiacez: 
Hydrocotyle sp: ‘Cvaterpentny ji. 5k ee oe eo Ce ee ee eee 226 
Centellaasiagicn (waterpenny,) 2.552 52-45-2230 eee ae eS eee 4 
ADEE GTILDCOIENS KCCELY ) 20 ee SC eee ee eee 2 
Gicniasp.Gwater hemlock) 2c2hectae sere a ee a a aoe 
Ai OTIC 2 oye ROO Ee SRS en eS Sap ne ee ee 1 
Cornacez: 
Cornus jiorida lowering dogwood) - =~ -=- ==. -2 4 22- == ae e 1 
Cornus muita (lowering dogwood) -.< =< =<<<< acces eee 1 
Cornus aliernivolia (dorwood) fos eee ee 1 
Cornus asperifolia (dogwood)............-..------ eee ee ees See 28 
Cornus occidentalis (dogwood)! 23.222 en 2 ee eee eee 2 
Cornus stolonizera (dogwood) =. {2 2 eee ee 1 
Cornus sv. (dogwood). ...-...--.------- ee aera ee Ses Se ee ee 17 
Berchet DolUubiis “CDlackjack) oe. = ee ee ee ee 60 
Vy ssa gipaiion (tua pelo) 22 Se i ee eee 22 
Wosse silogica (Sout PUM) 38-25. -ses ee ee 17 
Wyss sp: (hpelo) eon oe Pon Cee ee eee 2 | 
Fricacez: 
AUS (aA DIAd OF L6a) 2c eee ee ee ee 1 
arciosiapnyios Sp. (kinnikinnik) ....c./ ccc eee ee 1 
Vacciniacez: 
Gaylissacia ba0ecaia: (huckleberry) 3 ..os6- ae oe ed eee 
Gaylussacia sp. (huckleberry)............-.------- eee eee. eS NT [se ee oS 
Vaccum sp. (blueberry). . 32-52) soe ee a oan 
Primulacez: 
-ASG INS GT DENSTS.(PUNPCINEl) \.- 5c aos o oar Sea alee oe 2 
Ebenacez: 
Diospyros virginiana (persimmon)... -.......2.....2s.s0-seecensseene 1 
Black 
duck. 
622 
SS | 
Southern 
black 
duck, 
51 
eee eee eee 
nee eee eee 
i 
a 
Se 
wee wee eee 
