Order 86.— SCROPHULARIACE^E. 525 



1 I. gratioloides Benth. Glabrous, ascending, much branched; lvs. ovate or 

 oblong, obtusish, subdentato, lower attenuated to a petiole ; cor. erect, twice 

 longer than the calyx, on bractless peduncles; sterile fil. bearing the glabrous, 

 acute lobe below the middle. — fl) Can. and U. S. in wet places. A low, incon- 

 spicuous plant, 3 — G or 8' high. Leaves 5 — 8" long, sometimes mostly sessile, 

 commonly the lower distinctly petiolate. Corolla bluish- white, much exserted, o" 

 long. Jl., Aug. — (L. dilatata and attenuata Mubl.) 



2 I. refracta Benth. Slender, smooth, erect; mostly subradical, oval-oblong and 

 spatulate, cauline few, small and remote, lance-linear; ped. filiform, subterniinal, 

 few, defected after flowering ; cor. tube 4 times longer than the linear sepals. — 1i 

 Damp pine-woods, N. Car. to Ga. (Mettauer, near Macon). St. G to 10' high, 

 sparingly branched Lower lvs. 7 to 0" long, cauline 1 to 5". Fl?. 5" long, 

 light blue. Jn. 



3 I. grandiflora Benth. Smooth, creeping, d : J/usc; lvs. thick, orbicular, entire, 

 subclasping, veinless; ped. very hairy; sterile fiL 2; partly exserted, lobe-bear- 

 ing in the middle, thickened at the end. — H Ga. (between Savannah and Au- 

 gusta, Nutt.) in sandy swamps. Lvs. 3 to 4" dia:n. Bed. 1' long, cor. G ', violet 

 blue. 



19. MICRANTHEMUM, Rich. (Gr. futcpog, small, avOog, flower; such 

 is its character.) Calyx 4-toothcd or cleft ; corolla upper lip shorter, 

 entire, lower trifid ; stamens 2 fertile, a glandular scale at the base of 

 each, sterile filament none ; stylo short, apex clavatc or spatulate, en- 

 tire ; capsule 2-valved. — (J) Slender, glabrous, creeping, with opposite 

 lvs. and minute flowers. 



§ Calyx deeply cleft, secments longer then the unequal corolla lips No. 1 



Sj Calyx merely looting segments shorter than ihe very unequal corolla lips No. 2 



1 M orbiculattim Mx. Lvs. orbicular cr roundish-obovate, obscurely 3-veinedi 

 entire, contracted to a very short petiole; fls. solitary, axillary, much shorter than 

 the leaves and on pedieeis shorter than the calyx. — N. Car. to Fla. and La., com- 

 mon, in mud or shallow water. Sts. diffuse, tiiform. Lvs- often crowded, 2 to 4" 

 long, 2 to 3" wide. Pis. globular, less than 1" long, white. All summer. (M. 

 cmarginatum Ell.) 



2 M. inicrantha. Lvs. roundish, ovate, crowded, sessile, obscurely 3-veincd; fls. 

 sessile, axillary, very minute. — Inundated banks of rivers, Delaware to the Ogee- 

 chee, probably not common. Plant a few inches lung, branched. Fls. white, tha 

 middle segno, of the lower lip largest and spreading, Sept., Oct. (Ilerpestia 

 micrantha Ell. Ilemianthus micranthemoide3 Nutt.) 



20. AMPHIANTHUS, Torr. (Gr. a/i0w, both or twain, avOog; allu- 

 ding to its two-fold inflorescence.) Calyx 5-parted ; corolla small, fun- 

 nel form, limb 4-lobed, lower lobe larger, stamens 2, included ; anthers 

 2-eelled ; style lightly bifid, lobes acute ; capsule obcordatc, compressed, 

 valves septiferous in the middle ; seeds numerous. — (D Acaulescent, 

 minute, with fls. both sessile and on scapes. 



A. pusillus Torr. On wet rocks, Newton Co., Ga. (Leavenworth). A minuto 

 herb, with the lvs. nearly radical, linear, obtuse, entire, 1 to 2 long. Fls. white, 

 hardly 1" long, some sessile among the leaves, others on simple, liliform pedun- 

 cles 1' long. Mar., Apr. 



21. LIMQSEL'LA, L. Mudwort. (Lat. Umus, mud ; its locality.) 

 Calyx 5-cleft ; corolla shortly campanulate, 5-cleft, equal ; stamens ap- 

 proximating in pairs; capsule partly 2-eellcd, 2 -valved, many -seeded. — 

 Minute aquatic herbs. Scape 1-flowered. 



L. tenuifolia Nutt. Acaulescent: lvs. linear, scarcely distinct from tho petiole ; 

 scape as long as the leaves ; cor. segments oval-oblong, shorter than the calyx.— 

 (D It. I., Mass., N. Y., Penn. A minute plant, an inch in height, growing on 

 the muddy banks of rivers. Loaves and liower-sialks radical. Flowers very 

 amall, bluo and white. Aug. 



