An illustrated flora of the 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 ed2illustratedflo02brit Year: 1913 CRASSULACEAE. :ns of the same number as the sepals; m :ns twice as many as the sepals ; succulei Dwers 4-5-parted. Carpels erect; flowers often polygamou Carpels spreading ; flowers perfect. Rhodiola. Seduni. Semperviv 1. TILLAEASTRUM Britton,, Bull. N. Y. Bot. Card. 3: i. 1903. Minute, mostly glabrous, aquatic or m
An illustrated flora of the 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 ed2illustratedflo02brit Year: 1913 CRASSULACEAE. :ns of the same number as the sepals; m :ns twice as many as the sepals ; succulei Dwers 4-5-parted. Carpels erect; flowers often polygamou Carpels spreading ; flowers perfect. Rhodiola. Seduni. Semperviv 1. TILLAEASTRUM Britton,, Bull. N. Y. Bot. Card. 3: i. 1903. Minute, mostly glabrous, aquatic or mud-loving succulent herbs, with opposite entire leaves and very small solitary axillary flowers. Calyx 3-5-parted. Petals 3-5, distinct, or united at the base. Stamens 3-5. Carpels 3-5, distinct. Styles short. Ovules usually few. Follicles few-seeded or several-seeded. [Latin, from the affinity of these plants with the genus Tillaea.] About distribution. Besides the following, another occurs Fruiting peduncle Tillaeastrum aquaticum (L.) Britton. Pigmy-weed. Fig. 2131. Tillaea aqiialica L. Sp. PI. 128. 1753. Tillaea simplex Nutt. Journ. Acad. Phil, i : 114. 1817. Bulliarda aqualica DC. Prodr. 3: 382. 1828. Tillaeastrum aquaticum Britton, Bull. N. Y. Bot. Card. 3 : i. 1903. Stems ascending or erect,' i'-3' high, glabrous. Leaves inear-oblong, entire, acutish or obtuse at the apex, connate at the base, 2'-3' long, at length shorter than the internodes; fiowers sessile or short-peduncled, 4' broad; calyx-lobes,petals, stamens and carpels 4, rarely 3, petals greenish, about twice the length of the calyx-lobes; follicles ovoid, longer than the calyx-lobes, 8-lo-seeded. Muddy banks of streams. Nova Scotia to Massachusetts and Maryland, Louisiana and Texas, near the coast, Washington to Lower California and Colorado. Stem often rooting at the nodes. Also in Europe and northern .\frica. July-Sept. ^'aillant's Pigmy- 2. Tillaeastrum Vaillantii (Willd.) Britton. weed. Fig. 2132. Tillaea
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