. . s of seeds ornutlets near the are formed somewhatlike little bunches of ripen at differenttimes, but in the northmay be looked for afterAugust. Figs. 25 and 26show the threadlike leaves,the slender rootstocks andthe tubers. Pondweeds may beplanted by mowing themwith the seeds attached andscattering them about thelake; or the seeds may becollected and sown broadcast or in clay balls. A mud bottomis preferable, but sago pondweed and redhead grass (P. per-foliatus) (Fig. 2, Plate XXXV) will grow in sand. Som
. . s of seeds ornutlets near the are formed somewhatlike little bunches of ripen at differenttimes, but in the northmay be looked for afterAugust. Figs. 25 and 26show the threadlike leaves,the slender rootstocks andthe tubers. Pondweeds may beplanted by mowing themwith the seeds attached andscattering them about thelake; or the seeds may becollected and sown broadcast or in clay balls. A mud bottomis preferable, but sago pondweed and redhead grass (P. per-foliatus) (Fig. 2, Plate XXXV) will grow in sand. Somespecies, including sago pondweed, will grow in brackish oreven salt water. They will do well in water from two to sixfeet deep. They may be planted immediately after gathering,or the seed may be kept in cold storage until spring. Deer, moose and cattle are rather fond of wild rice. Rails,Bobolinks and Blackbirds eat the seed. Muskrats eat andtear up all these plants. Some fish eat them, but the Germancarp is the most destructive of all agencies. It absolutely. Fig. 25. — Sago pondweed, a very important duckfood. (Reduced.) (From Sunset Magazine,February, 1905.) 580 GAME BIRDS. WILD-FOWL AND SHORE BIRDS. eradicates duck food and should never be introduced any-where. It may be exterminated in small ponds by screeningoutlets and inlets and draining the ponds dry. In large lakesits extermination is impracticable. In the western States the wappato is considered among thebest of duck foods. It is a tuber-bearing plant, and althoughI have never had an opportunity to identify the western plant,this name is given to Sagittaria latifolia, an arrow-head orarrow wort. This and Sagittaria teres are found in ponds ofMassachusetts, and probably are quite as attractive as a duck
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Keywords: ., bookauthorjobherbe, bookcentury1900, bookdecade1910, bookyear1912
