and acutely serrate, to 35 mm. long and 1 cm. wide, equal to or shorter than the 

 pedicels; sepals and bractlets linear-subulate, much longer than the capsule; 

 corolla whitish, 1-1.2 cm. long; sterile filaments short. G. ramosa [var.] Druin- 

 mondii (Benth.) Penn., G. Dnimmondii Benth., llysanthes inaequalis (Walt.) 

 Penn. 



In bogs, marshes, wet meadows and in and on the edge of water in ponds and 

 lakes, in wet savannahs, in Okla. (Pushmataha Co.) and in e. Tex., Apr.-Sept.; 

 from Ga. to Tex., Okla. and Ark. 



3. Gratiola flava Leavenw. Golden hedge-hyssop. Fig. 683. 



Annual, glabrous throughout, less than 1 dm. high, the slender stems clustered 

 at base and erect-ascending; leaves few, opposite, linear-oblanceolate, entire or 

 with few obscure serrations, to 15 mm. long and 5 mm. wide, clasping at the 

 sessile base, obtuse at apex; bracteole 1, linear-spatulate, about as long as the 

 sepals; calyx lobes 3-5 mm. long, linear to linear-lanceolate, obtuse; corolla with 

 orange-yellow tube and golden-yellow limb, about 12 mm. long; capsule brown, 

 ovoid-pyramidal, noticeably exceeding the sepals; seeds brown, with coarse 

 reticulation. G. pusilla Torr. 



In sandy wet soil in prairies and fields in cen. and s. Tex., Feb.-Apr.; also La. 



4. Gratiola neglecta Torr. Fig. 688. 



Annual with simple or loosely branched soft stem to 4 dm. high, the upper 

 internodes, pedicels and expanding leaves more or less clammy-puberulent; leaves 

 thin, rhombic-lanceolate to lanceolate, tapering to base and apex, undulate- 

 dentate or entire, to 55 mm. long; pedicels filiform, elongating to 25 mm. long; 

 bractlets foliaceous, equal to or exceeding the calyx; corollas honey-color to 

 creamy-white, with yellowish tube, the earlier ones 8-12 mm. long, the inside of 

 the throat with clavate bearding; sterile stamens minute or none; capsule 3-5 mm. 

 long, globose-ovoid; seeds thick-cylindric, about 0.5 mm. long. G. gracilis Benth., 

 G. Torreyi Small. 



In wet or muddy places about ponds, in water of swamps, marshes, and in 

 woods in e. Okla. {Waterfall) and e. third of Tex., N. M. (Rio Arriba Co.) and 

 Ariz. (Coconino Co.), Mar. -Aug.; from Que. and Me. to B.C., s. through most 

 of the U. S. 



5. Gratiola virginiana L. Figs. 688 and 689. 



Rather coarse plant, the fleshy base often biennial; stems simple or with few 

 ascending branches, to 45 cm. high, usually glabrous; leaves lanceolate to elliptic 

 or oblong-obovate, shallowly undulate to sharply serrate, to 7 cm. long; pedicels 

 stoutish, usually less than 5 mm. long; calyx 4-8 mm. long; corolla milk-white 

 or pink-tinged to honey-colored, the earlier ones to 15 mm. long, with filiform 

 hairs inside at throat; capsule globose, slightly exceeding to shorter than the calyx, 

 4-7 mm. long; seeds slender-cylindric, about 0.8 mm. long. 



In water of streams, lakes, ponds and ditches, often forming colonies in water, 

 in boggy areas and in open flats in forests in Okla. (LeFlore and Comanche cos.) 

 and e. third of Tex., Mar.-May.; from Fla. to Tex., n. to N.J., Md., W.Va., O., 

 Ind., 111., la. and Kan. 



5. Stemodia L. 



About 30 species, mostly in tropical regions. 



1. Stemodia durantifolia (L.) Sw. Fig. 690. 



Annual, glandular-pubescent, rather rigidly erect, often much-branched, the 

 branches slender, to about 9 dm. high; leaves sessile and amplexicaul, opposite 

 or several at the nodes, oblong-elliptic to linear-oblong or linear-lanceolate to 



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