830 



FLORA. 



2. Gratiola sphaerocarpa Ell. ROUND-FRUITED HEDGE-HYSSOP. (I. F. f. 

 3276.) Annual, glabrous, 1.5-3 dm. high. Leaves oblong or obovate-oblong, ses- 

 sile, dentate or denticulate, 3-5 -nerved, narrowed at the base, 2-5 cm. long; 

 peduncles little or not at all longer than the calyx; bractlets about equalling the 

 calyx; calyx-lobes linear; calyx nearly one-half a? long as the corolla; flowers 

 about 1.5 cm. long; corolla-tube yellow, the limb paler; capsule 6 mm. in diam- 

 eter. In wet places, N. J. to Fla., 111., Tex. and Mex. June-Sept. 



3. Gratiola aurea Muhl. GOLDENPERT. GOLDEN HEDGE-HYSSOP. (I. F. 

 f. 3277.) Annual, glandular-puberulent above, or glabrate, decumbent, creeping 

 or ascending, 1-3 dm. long. Leaves lanceolate, 1-2.5 cm - l n g> sparingly den- 

 ticulate, scarcely narrowed to the sessile and somewhat clasping base; peduncles 

 filiform, in fruit equalling or longer than the calyx; corolla bright yellow, 12-14 

 mm. long, 3 times as long as the calyx; capsule globose-ovoid. In sandy wet 

 places, Quebec and Ont. to N. J. and Fla. June-Sept. 



4. Gratiola viscosa Schwein. VISCID HEDGE-HYSSOP. (I. F. f. 3278.) An- 

 nual; stem weak, finely viscid-pubescent, slender, commonly simple, 1.5-5 dm. 

 long. Leaves ovate, ovate-oblong, or ovate-lanceolate; sharply serrate, acute, ses- 

 sile, cordate-clasping, 1-2.5 cm< l n g; peduncles slender; bractlets and calyx-seg- 

 ments foliaceous, one-third to one-half as long as the yellow or purplish corolla; 

 flowers 10-12 mm. long; capsule subglobose. shorter than the calyx. In brooks 

 and swamps, Del. to Ky. and Ga. May-Sept. 



5. Gratiola pilosa Michx. HAIRY HEDGE-HYSSOP. (I. F. f. 3279.) Peren- 

 nial (?), hirsute; stems slender, erect, strict, 1.5-6 dm. high. Leaves ovate or 

 ovate-lanceolate, dentate or denticulate, sessile, rounded, truncate or subcordate at 

 the base, 1-2.5 cm - l n g; flowers nearly or quite sessile, about 8 mm. long; corolla 

 purplish or white, slightly longer than the calyx and bractlets; capsule oblong- 

 conic, acuminate, about the length of the calyx, or shorter. In dry soil, southern 

 N. J. to Ark. and Tex. May-Aug. 



15. ILYSANTHES Raf. 



Annual or biennial glabrous slender herbs, with opposite, mostly dentate and 

 sessile leaves, and small purplish peduncled flowers solitary in the axils. Calyx 

 5-parted, the segments linear. Corolla irregular, the tube somewhat expanded 

 above, the limb 2-lipped; upper lip 2-cleft, erect; lower lip larger, 3-lobed, spread- 

 ing. Fertile stamens 2, included, their anther-sacs divergent; sterile stamens 2, 

 2-lobed, one of the lobes capitate, glandular, the other glabrous, shorter. Style 

 slender; stigma slightly 2-lobed. Capsule septicidally dehiscent. Seeds numer- 

 ous, wrinkled. [Greek, mud-flower.] About 10 species, of wide distribution. Be- 

 sides the following, 2 or 3 others occur in the southeastern U. S. 



Peduncles longer than the leaves ; calyx-segments shorter than the capsule. 



1. /. dubia. 

 Peduncles shorter than the leaves; calyx-segments mostly as long as the capsule, or longer. 



2. /. attenuata. 



1. Ilysanthes dubia (L.) Barnhart. LONG-STALKED FALSE PIMPERNEL. 

 (I. F. f. 3280.) At length diffusely branched, 0.7-2 dm. long. Leaves ovate, 

 ovate-oblong, or the lower obovate, sessile, or slightly clasping at the base, remotely 

 denticulate or entire, thickish, 3~7-nerved, 1-2.5 cm< l n g> tne upper ones com- 

 monly much smaller; peduncles slender; flower- 6-10 mm. long; calyx-segments 

 linear, about one- half the length of the corolla; capsule narrowly ovoid-oblong, 

 bluntish, 4-6 mm. high; seeds 2 mm. long, reddish, the ends usually truncate. In 

 wet places, N. E. to Fla., Ont., S. Dak. and Tex. Also on the Pacific Coast. 

 Lower leaves sometimes short-petioled. July-Sept. [/. gratioloides Benth.] 



2. Ilysanthes attenuata (Muhl.) Small. SHORT-STALKED FALSE PIMPERNEL. 

 (I. F. f. 3281.) Erect or ascending, 0.7-4 dm. long, the branches spreading. 

 Leaves oblong to ovate, or sometimes obovate, 1-4 cm. long, thinnish, obtuse, ser- 

 rate with a few low teeth, 3-5 -nerved, narrowed into short petioles, or sessile ; calyx- 

 segments linear-subulate, as long as the capsule, or longer; corolla 4-12 mm. long; 

 capsule narrowly ovoid, about 4 mm. long, pointed; seeds slightly curved, 3-4 mm. 

 long, yellowish brown, the ends usually rounded. In wet places, Me. and Ont. to 

 Wis., Ark., Fla., Mo. and Kans. May-Oct. 



