94 SCROPHULARIACEE. 
Leaves or lobes serrate: anthers equally 2-celled. 
Upper lip or its beak exceeding the 3-toothed lower lip (except sp. 7)....---2+ 22 
B. Lxaves all opposite or whorled (rarely alternate above in No. 9). 
* Stamens 4 with anthers; sterile filament often rudimentary or none. 
Corolla declined: stamens and style infolded by lower lip............eeeeeeeeee cone SD 
Corolla small, lobes spreading: upper leaves 3-lobed or parted...........400+eeeeeees 6 
Corolla erect, front lobe reflexed: scale in throat on upper side...........2.eeeeeeeeeee va 
Corolia etc. as in No. 9, but the seeds winged: odor rank..............ccee see cece 8 
Corolla open: sterile filament conspicuous: stigma entire........... 02. e eee eee ee eees 9 
Corolla-throat open or closed: no eter'le filament: calyx 5-angled (except 1 sp.) ...... 10 
Corolla blue or white, tube short, li, * spreading, the upper emarginate............. 11 
* * Stamens 2 with anthers: flowers small: growing tn wet ground. 
Calyx 5-parted into narrow, nearly equal divisions: corolla bilabiate. 
Sterile filaments simple or none: corolla small, whitish..............-0cceee- 12 
Sterile filaments forked: corolla violet or bluish.......... 2.000. ss eee ceeees 13 
Calyx 4-parted: corolla rotate, 4-lobed..... 2.2.0.2... cee n ee cece es ee eeeeecnceseee ~17 
1. VERBASCOM, Linnezus. 
1, V. Thapsus, L. Densely velvety-woolly, leaves decurrent: corolla yellow. 
2. V. virgatum, With. Slender, green: filaments violet bearded or woolly, 
3. V. Blattaria, L. Similar but pedicels solitary and longer than calyx. 
2. LINARIA, Tournefort. 
1. Ih Oanadensis, Dumont. Straight, smooth: leaves narrow: flowers blue. 
3. ANTIRRHINUM, Tournefort. 
* Erect, 2 to 7 ft. high, leafy: flowers in a dense spike, light rose color: filaments broadest ag 
the top. 
Stems many from a perennial base, simple, glabrous, light green ...........-e+eeeee 1 
Stem stout, branching, very viscid-pubescent, 3-5 ft. high..............e eee scene eee 2 
°* Branching with filiform axillary branchlets which coil around objects: sepals unequal. 
Flowera in a more or less villous-viscid spike: bracts minute........ Saisietaiaceieeis 5, 6, 7 
Flowers scattered along the stem and slender branches. 
Leaves on the main stem, ovate or subcordate....... Biv esaiadeweeapeine Souresis 8, 9 
Leaves on main stem mostly narrow: corolla purple. ............... -... 10, 11 
ee Hrect, nearly simple stems: peduncles slender, twisting around objects........ -- 12 
1. A. virga, Gr. Deflexed lower lip of corolla upward inflexed from middle. 
2. A. glandulosum, Lindley. Corolla with yellowish palate. Monterey 8. 
3. A. cornutum, Benth. Filaments all broadest at top. Sac. Val., rare. 
4 A. leptaleum, Gr. Leaves rarely linear: style shorter than pod. Sac. Valley & 
