196 SCROPHULARIACEAE. Vor. III. 
1. Sophronanthe pilésa (Michx.) Small. 
Hairy Hedge-Hyssop. .Fig. 3780. 
Gratiola pilosa Michx. Fl. Bor. Am. 1: 7. 1803. 
Sophronanthe pilosa Small, Fl. SE. U. S. 1067. 1903. 
Perennial (?), hirsute; stems slender, erect, 
strict, simple, or branched, 6’-2° high. Leaves 
ovate or ovate-lanceolate, dentate or denticulate, 
sessile, acute or obtusish at the apex, rounded, 
truncate or subcordate at the base, 4’-1’ long; 
flowers nearly or quite sessile, commonly numer- 
ous, about 4” long; corolla purplish or white, 
slightly longer than the calyx and bractlets; 
sterile filaments 2, capitate at the summit; anther- 
sacs of the fertile stamens parallel, contiguous; 
capsule oblong-conic, acuminate, about the length 
of the calyx, or shorter. 
In dry soil, southern New Jersey to Florida, Arkan- 
sas and Texas. May-—Aug. 
19. ILYSANTHES Raf. Ann. Nat. 13. 1820. 
Annual or biennial glabrous slender branching herbs, with opposite, mostly dentate and 
sessile leaves, and small purplish peduncled flowers solitary in the axils. Peduncles not 
bracteolate. 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 oblong or ovoid, septicidally dehiscent. Seeds numerous, wrinkled. [Greek, 
mud-flower. ] 
About 10 species, of wide geographic distribution. Besides the following, 2 or 3 others occur 
in the southeastern United States. Type species: I/ysanthes riparia Raf. 
Peduncles longer than the leaves; calyx-segments shorter than the capsule. 1. I. dubia. 
Peduncles shorter than the leaves; calyx-segments mostly as long as the capsule, or longer. 
2. I. attenuata, 
1. Ilysanthes dibia (L.) Barnhart. Long-stalked False Pimpernel. Fig. 3790. 
\ EN 
) v, 
Gratiola dubia L. Sp. Pl. 17. 1753. 
Capraria gratioloides L. Sp. Pl. Ed. 2,876. 1763. 
Ilysanthes riparia Raf. Ann. Nat. 13. 1820. 
Ilysanthes gratioloides Benth. in DC. Prodr. 10: 
419. 1846. 
Ilysanthes dubia Barnhart, Bull. Torr. Club 26: 
376. 18099. 
Stem slender, mostly erect, at length dif- 
fusely branched, 3’-8’ long. Leaves ovate, 
ovate-oblong, or the lower obovate, sessile or 
very nearly so, or slightly clasping at the base, 
remotely denticulate or entire, obtuse or acutish 
at the apex, thickish, 3-7-nerved, 4’-1’ long, 
the upper ones commonly much smaller; pe- 
duncles slender, considerably exceeding the 
leaves; flowers 37-5” long; calyx-segments 
linear, about one-half the length of the corolla, 
shorter than the capsule; capsule narrowly 
ovoid-oblong, bluntish, 2-3” high; seeds 1” 
long, reddish, the ends usually truncate. 
In wet places, Massachusetts to Florida, west 
to Ontario, Minnesota and Texas. Also on the 
Pacific Coast, and in the West Indies and South 
America. July—Sept. 
