An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian; 2nd ed. . owers sessile or short-peduncled. Fruiting peduncles as long as the leaves or longer. 1. T. aqualiciim 2. T. yaillantii. I. Tillaeastrum aquaticum (L.) Britton. Pigmy-weed. Fig. 2131. rUlaea aquatica L. Sp. PI. 128: simplex Nutt. Journ. Acad. Phil. 1:114. aquatica DC. Prodr. 3 : 382. 1828. Tillaeastrum aquaticum Britton, Bull. N. Y. Bot. Ga
An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian; 2nd ed. . owers sessile or short-peduncled. Fruiting peduncles as long as the leaves or longer. 1. T. aqualiciim 2. T. yaillantii. I. Tillaeastrum aquaticum (L.) Britton. Pigmy-weed. Fig. 2131. rUlaea aquatica L. Sp. PI. 128: simplex Nutt. Journ. Acad. Phil. 1:114. aquatica DC. Prodr. 3 : 382. 1828. Tillaeastrum aquaticum Britton, Bull. N. Y. Bot. Gard. 3: i. ascending or erect, ¥-3 high, glabrous. Leaveslinear-oblong, entire, acutish or obtuse at the apex, connate atthe base, 2-3 long, at length shorter than the internodes;flowers sessile or short-peduncled, I broad; calyx-lobes,petals,stamens and carpels 4, rarely 3, petals greenish, about twicethe length of the calyx-lobes; follicles ovoid, longer than thecalyx-lobes, 8-io-seeded. Muddy banks of streams, Nova Scotia to Massachusetts andMaryland, Louisiana and Texas, near the coast, Washington toLower California and Colorado. Stem often rooting at the in Europe and northern Africa. 2. Tillaeastrum Vaillantii (Willd.) Britton. ^aillants Biginy-weed. Fig. 2132. Tillaea Vaillantii Willd. Sp. PI. i: 720. 1798. Tillaeastrum Jaillantii Britton. Bull. N. Y. Bot. Gard. 3: 2. 1003. Similar to the preceding species, 4 long or less, the oblong to linear-oblong leaves about 2 long. Fruiting peduncles elongated, becoming aslong as the leaves or longer. Prince Edward Island ; Nantucket. Europe and northern Africa. Perhapsa race of the preceding species.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
