94 SCROPHULARIACEjE. 



Leaves or lobes serrate: anthers equally 2-celIed. 



Upper lip or its beak exceeding the 3-toothed lower lip (except sp. 7) 21 



B. LEAVES 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 5 



Corolla small, Jobes spreading: upper leaves 3-lobed or parted 



Corolla erect, front lobe reflexed: scale in throat on upper side 7 



Corolla etc. as in No. 9, but the seeds winged: odor rank 8 



Corolla open: sterile filament conspicuous: stigma entire 9 



Corolla-throat open or closed: no fiter'lo filament: calyx 5-angled (except 1 sp.) 10 



Corolla blue or white, tube short, \\ t \ spreading, the upper emarginato 11 



* * Stamens 2 with anthers: Jlowers small: growing in wet ground. 

 Calyx 5-parted into narrow, nearly equal divisions: corolla bilabiate. 



Sterile filaments simple or none: corolla small, whitish 13 



Sterile filaments forked: corolla violet or bluish 13 



Calyx 4-parted: corolla rotate, 4-lobed 17 



1. VERBASCUM, Linnaeus. 



1. V. Thapsns, 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. L. Ganadensis, Dumont. Straight, smooth: leaves narrow: flowers blue. 



3. ANTIRRHINUM, Tournefort. 



* Erect, 2 to 7 ft. high, leafy: Jlowers in a dense spike, light rose colon filaments broadest at 



the top. 



Stems many from a perennial base, simple, glabrous, light green 1 



tern stout, branching, very viscid-pubescent, 3-5 ft. high 2 



* Branching with filiform axillary branchlets which coil around objects: sepals unequal. 



Flowers in a more or less villous-viscid spike: bracts minute- 5, 6, 7 



Flowers scattered along the stem and slender branches. 



Leaves on the main stem, ovate or subcordate 8, 9 



Leaves on main stem mostly narrow: corolla purple 10, 1 1 



* Erect, nearly simple stems: peduncles slender, twisting around objects 13 



1. A. virga, Gr. Deflexed lower lip of corolla upward inflexed from middle. ^ V^' 



2. A. glandulosum, Lindley. Corolla with yellowish palate. Monterey S. 



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 SL 



