396 XCI. SCROPHULARIACEH. - ~ 
8. Corolla smaller (limb 1’ broad); plant smoothish. 
Obs. There is much confusion in this genus. All my specimens, collected by myself and i 
Indiana, Illinois, Missouri, ‘Tennessee and Alabama, are plainly referable to R. Suepete rag ae 
. 
‘Orver XCI. SCROPHULARIACEA.—Ficworrs, 
Herbs, undershrubs, or rarely shrubs, scentless or fcetid, rarely aromatic. 
Lvs. opposite, verticillate or alternate. Fis. axillary or racemose, rarely spicate. 
Cal.—Sepals 4 or 5, unequal, more or less united at base, inferior, persistent. 
Cor. bilabiate, personate or otherwise irregular, the lobes imbricate in estivation. 
Sia. 4, didynamous, rarely with the rudiment of the 5th; sumetimes 2 only, the 3 others either rudimen- 
_ Ova. tree, 2-celled, many-seeded. Style simple. Stigma 2-lobed. [tary or wholly wanting. 
Fr.—Capsule 2-celled, 2-valved, with central placente. 
Sds. indefinite, albuminous. Embryo straight. 
Genera 176, species 1814, found in every part of the world, from the equator to the regions of tual 
frost. They constitute about 1-36 of the Phenogamia of N. America. Lindley. 7 ee 
Properties.—Generally acrid, bitter and deleterious plants. The most remarkable officinal species of 
the tribe is the foxglove (Digitalis), which exercises a wonderful control over the action of the heart, in 
regulating its pulsations. It is also employed in cases of dropsy, hemorrhage, &c. ‘Taken in excess it 
speedily causes death. The Veronica Virginica, (Culvers Physic) and Linaria pryries (toad-flax) are 
pumgative and emetic. Numerous species are cultivated for ornament. Nearly all of them tw black in 
\ 
eS 
3 
FIG. 50.—1. Dasystoma pubescens. 2. Mature fruit. 3. Cross section of the 2-celled capsule. 4. A 
stamen, enlarged. 5. Mimulus ringens. 6. Calyx with the corolla partly removed, showing the didyna- 
mous stamens in pairs, with the stigma above the highest pair. 7. Sections of the 2-celled, many-seede 
capsule. 8. Plan of the flower, showing the position of the 5th rudimentary filament. 9. Linana vulga- 
ris, leaf and personate-bilabiate, spurred flower. 10. A winged seed. 
Conspectus of the Genera. 
(Flowers oo rete | and variously lobed and colored. . |. Schizanthus. 1 
diandrous. ? Corolla 4-cleft. Flowers spicate. Pedunclescape-like. Synthiris. 17 
: ; spurred at base. -  « Linaria. ..3 
Corolla personate-bilabiate, ?saccate at base. _ . _. Antirrhinum. 4 
; Corolla yellow. Pedicularis. 28 
G a a ‘or reen. ¢ Corolla purple.Schwalbea. 26 
‘ Corolla ringent-bilabiate. 2 Bracts lobed and colored. . Castilleja. % 
Fis. didy- | Corolla large. tubular-campanulate, subequal, .  - ‘alis. 
Herbs with alter- | namous. (Corolla equally 5-cleft. Minute mud plants... . . Limosella. 16 
nate leaves... .. \ Flowers pentandrous. Corolla rotate, nearly regular. . . + Verbascum. 2 
