297 
Annual, slender, glabrous, somewhat fleshy, bright green. 
Stems decumbent and creeping, leafy throughout, 2-20 cm. long, 
simple or rarely branched; leaves suborbicular, .5—1 cm. in diam- 
eter, leathery, entire, usually obtuse, sessile, rounded at the base, 
more or less clasping; pedicels filiform, 2-4 cm. long, several 
times longer than the leaves; calyx-segments linear-lanceolate, 3 
mm. long, acute, about as long as the capsule; corolla blue, slen- 
der, about 1 cm. long, its upper lip much shorter than the lower ; 
capsule slender, narrowly oblong, or narrowly ovoid, 4.5-5 mm. 
long, acute or acuminate, much longer than the calyx. | 
Low wet places, eastern Georgia and Florida, March to October. 
Ascends only a few meters above sea level. 
2. ILYSANTHES TRIDENTATA Nn. sp. 
Llysanthes grandiflora S. Wats. Proc. Am. Acad. 22: 442. 1896. 
Not Benth. 1846. 
Annual or biennial, fleshy, slender, glabrous. Branches erect 
or ascending from a rhizome-like creeping stem, simple or spa- 
tingly branched, leafy throughout ; leaves orbicular-ovate, 4-6 mm. 
long, with two low teeth below the apex, rounded at the base, 
Sessile or sometimes slightly clasping, rather densely punctate ; 
pedicels filiform, 1.5-2 cm. long, ascending; calyx minutely glan- 
dular-puberulent, its segments linear, 2.5-3 mm. long, obtuse, 
more than twice shorter than the corolla; corolla stout, 10-12 mm. 
long, its upper lip very slightly crisped, nearly as long as the cleft 
and slightly involute lower one; capsule oblong-obovoid, 3—-3.5 
mm. long, obtuse, equalling or slightly longer than the calyx ; 
seeds oblong or obovoid, angled, with a minute tubercle at the 
summit. 
Rio Blanco, Jalisco, Mexico (Palmer, 46). June to October. 
3. ILysanTHEs ATTENUATA (Muhl.). 
Lindernia attenuata Muhl. Cat. 59. 1813. 
Lindernia pyxidaria var. major Pursh, Fl. Am. Sept. 419. 1814. 
Gratiola attenuata Spreng. Syst. 1: 39. 1825. 
liysanthes gratioloides curtipedicellata Bush, Bull. Torr. Club, 
21: 494. 1894. 
Annual, low, fleshy, glabrous, dull-green. Stem erect or as- 
cending, 1-5 dm. long, the branches often numerous, spreading ; 
leaves oblong or ovate, sometimes oblanceolate, or obovate, 1-3 cm. 
long, thinnish, obtuse, distantly and shallowly serrate, five-nerved, 
_ §radually narrowed into a short petiole, or the upper ones nearly 
Sessile ; pedicels rather stout, shorter than the leaves; calyx-seg- 
_ Ments linear-subulate, as long as or longer than the capsules ; 
