. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. LENTIBULAEIACEAE (BLADDERWOET EAMILY) 737. U. vulg. V. amer. 897. U. minor. scapes slender, 1 dm. high; lips of the yellow- corolla nearly equal in length, the lower broader and 3-lobed, somewhat longer than the approximate thick and blunt spur. — Ponds, N. B. to Del. and Pa., chiefly near the coast. July, Aug. Fig. «96. -1- +- No cleistogamous flowers. •M- Pedicels reciirved in fruit; corolla yelloio. ?>. U. vulgaris L. (Greater B.) Immersed
. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. LENTIBULAEIACEAE (BLADDERWOET EAMILY) 737. U. vulg. V. amer. 897. U. minor. scapes slender, 1 dm. high; lips of the yellow- corolla nearly equal in length, the lower broader and 3-lobed, somewhat longer than the approximate thick and blunt spur. — Ponds, N. B. to Del. and Pa., chiefly near the coast. July, Aug. Fig. «96. -1- +- No cleistogamous flowers. •M- Pedicels reciirved in fruit; corolla yelloio. ?>. U. vulgaris L. (Greater B.) Immersed stems 3-10 dm. long, crowded with 2-3-pinnately many-parted capillary leaves bearing many bladders; scapes 5-12- flowered, 1-3 dm. long; corolla closed, 1-2 cm. hroad, the sides reflexed ; spur conical, rather shorter than the lower lip, thick and hlunt. — Eurasia; n. w. Am Represented with us by Var. americSna Gray. Spur more slender and rather acute. — Common ir ponds and slow streams, Nfd. to Minn., s. to Va. and Tex., and westw. June-Aug. Fig. 896. 4. U. minor L. (Smaller B.) Leaves the thread- like immersed stems, 2-4 times forked, short; scapes weak, 2-8- flowered, dm. high ; npper lip of the gaping corolla not longer than the depressed palate; spur very short and blunt, or almost none. — Shallow water, e. Que. to B. C, s. to N. J., w. N. Y., Great L. region, Utah, and Cal. May-July. (Eu.) Fig. 897. ++ ** Pedicels erect in fruit, few and slender; corolla yellow. 5. U. glbba L. Scape cm. high, \-', at base furnished with very slender short branches, bearing sparingly dis- sected capillary root-like leaves and scattered bladders; corolla 6-8 mm. broad, the hps broad and rounded, nearly equal; the lower lip with the sides reflexed, exceeding and approximate to the very thick and hlunt conical gibbous spur.— Shallow water. Me. ^ .,, to Fla. and Ala., near the coast; and from w. Vt. to Ont., 111., and 8. U. glbba. ,, jyiinn,.!
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