404 XCI. SCROPHULARIACER. Dierraris. 
H. MIcRANTHEMOipDEs. Nutt. (Herpestis micrantha. EW.) 
Inundated banks, Del., Nuttall. Stems a few inches in length, dichoto- 
mously branched. Leaves roundish-ovate, opposite, crowded, sessile, obscurely 
3-veined. Flowers axillary, solitary, minute. Aug. Sept. 
TrizeE 6. SIBTHORPEX. 
16. LIMOSELLA. 
Lat. Zimus, mud; the plant grows by the edge of puddles and muddy places. 
Calyx 5-cleft; corolla shortly campanulate, 5-cleft, equal; stamens 
approximating in pairs; capsule partly 2-celled, 2-valved, many- 
seeded.— Minute, aquatic herbs. Scape \-flowered. 
L. Tenurpoura. Nutt. (L. subulata. Ives and 1st edit.) Mudwort. 
Acaulescent ; /vs. linear, scarcely distinct from the agp scape as long 
as the leaves; cor. segments oval-oblong, shorter than the calyx.—@ R. 1.! 
Mass.! N. Y., Penn. A minute plant, an inch in height, growing on the 
muddy banks of rivers. Leaves and flower-stalks radical. Flowers very small, 
blue and white. Aug. 
Trise 7. DIGITALEX. 
Inflorescence centripetal, racemose. Leaves all alternate, the lower crowded, 
petiolate. Benth. 
17. SYNTHYRIS. Benth. 
Calyx 4-parted ; cor. subcampanulate, segments 4, erect-Spreading 
or 0; sta. 2, inserted into the tube of the corolla, exserted ; anth. 
cells parallel, distinct; caps. compressed, obtuse or emarginate, locu- 
licidal, seeds plano-convex.—2% IV. American, with a thick root.. Radi- 
cal lvs. petiolate, cauline bract-like, on the scape-like stem, alternate. F'ls. 
racemed or spicate. 
S. Hovenroniina. Benth. (Gymnandra Houghtoniana. Torr. ¢& Gray, 
in edit.)—Hirsute ; radical lvs. ovate, subcordate at base, crenulate, obtuse; 
scape erect, clothed with foliaceous bracts, dense-flowered above; cor. as long 
as the calyx, upper segment longer than the other very short ones.—Dry hills, 
Wis., Lapham! Leaves 2—3!' by 14—2’, on petioles about Lt’ long, some of the 
leaves often suborbicular. Bracts much smaller, ovate and ovate-lanceolate, 
clasping. Scape 9—12’ high. Spike elongating in fruit. 
18. DIGITALIS. 
Lat. digitabulwm, a thimble; from the form of the flowers. 
Calyx 5-parted; corolla campanulate, ventricose, in 5 subequal 
lobes ; capsule ovate, 2-celled, 2-valved, with a double dissepiment.— 
Herbs or shrubs of Europe and Asia. Lower lws. crowded, petiolate, 
upper alternate. ls. in showy racemes. 
1. D. purpurea. Purple Foxglove-—Lwvs. oblong, rugose, crenate; cal. seg- 
ments ovate-oblong; cor. obtuse, upper lip entire; ped. as long as the calyx.— 
Native of Europe. A well known, showy border flower of easy culture. It is 
a biennial plant 2—3f high, with large, rough, downy leaves. Flowers nume- 
rous, in a long, simple spike, large, crimson, often white, with beautiful eye- 
like spots within. The whole plant is a violent and dangerous poison when 
taken in considerable quantities, producing delirium, convulsions and death. 
But in the hand of the judicious physician it becomes a valuable medicine, act- 
ing as a sedative and diuretic. July. ++ 
2. D. rerruainea. Iron-colored Foxglove-—Lvs. oblong-lanceolate, very smooth ; 
rac. many-flowered ; cal. segments oval-elliptical, obtuse; cor. limb subglobose, 
woolly, lower segment ovate.—2| in Greece, Armenia and Circassia. Corolla 
rust-colored, 16” long, lower lip longest, densely bearded. + 
