8CBOPHULA.RIACE.fi. 159 



Leaves or lobes serrate: anthers equally 2-celled. 



Upper lip or its beak exceeding the 3- toothed lower lip (except Bp. 7)~ 81 



B. LBATXS 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 bj lower lip 5 



Corolla small, lobes spreading: tipper leaves 3-lobed or parted 6 



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



Corolla etc. as in No. 9, but the seeds winged: odor rank 1 ... 8 



Corolla open: sterile filament conspicuous: stigma entire 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 in wet ground. 

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



Sterile filaments simple or none: corolla small, whitish 12 



Sterile filaments forked: corolla violet or bluish 13 



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



1. VERBASCUM, Linnaeus. 



1. V. Thapsus, L. Densely velvety- woolly, leaves decnrrent: corolla yellow. 



2. V. virgattun, With. Slender, green: filaments violet bearded or woolly, 

 8. V. Blattaria, L. Similar but pedicels solitary and longer than calyx, 



2. LIN ARIA, Tournefort. 

 1. I* Ganadensia, Dtunont. Straight, smooth: leaves narrow: flowers blue. 



3. ANTIRRHINUM, Tournefort. 



* Ertet, 9 to 7 Jt. high, leafy: flowers in a dense spike, light rose colon filaments broadest at 



the top. 



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



Stem stout, branching, very viscid-pubescent, 3-5 ft. high 9 



* * 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, orate or subcordate 8, 9 



Leaves on main stem mostly narrow: corolla purple 10, 11 



* * * Erect, nearly simple stems: peduncles slender, twisting around objects 19 



1. A. virga, Or. Deflexed lower lip of corolla upward indexed from middle. 



2. A glandulostun, Liudley. Corolla with yellowish palate. Monterey S. 



3. A. cornutuxn, Benth. Filaments all broadest at top. Sac. Val., rare. 



4. A. leptaleum, Gr. Leaves rarely linear: style shorter than pod. Sac. Valley 8, 



