300 



XCII. SCROPHULARIACE.E (HEMSLEY AND SKAN). 



[Sutera. 



Corolla 2-5 lin. long. 

 Annual herbs. 



Pedicels li-2^ in. long ; corolla-tube narrowly 

 cylindric below ...... 



Pedicels 6-10 lin. long ; corolla-tube funnel-shaped 

 Perennials, often with woody steins and branches. 



Calyx 2^-3^ lin. long, about as long as the 

 corolla-tube ; leaves narrowly lanceolate, 

 pinnatifld or pinnatipartite 

 Calyx lf-2 lin. long, much shorter than the 

 corolla-tube ; leaves lanceolate to obovate 

 and entire to pinnatifld, or ovate to sub- 

 orbicular and bipinnatisect. 

 Leaves ovate or suborbicr.lar, bipinnatisect 

 Leaves lanceolate to obovate, entire, toothed 

 or pinnatifld. 

 Corolla 5 lin. long ; leaves entire or shortly 

 toothed ...... 



Corolla up to 3 lin. long ; leaves deeply 

 toothed or pinnatifld. 

 Plant up to 1 (t. high ; branches -k lin. 



thick ; capsule I5- li in. long 

 Plant up to 1 1 ft. high ; branches up to 

 H lin. thick ; capsule 2 J to 2| lin. 



long 



Corolla 6-14 lin. long. 



Annual herbs, or, if perennial, with herbaceous si ems 



and branches ; leaves usually large, on long 



petioles. 



Pedicels 1-5-flowered, bracteolate ,- calyx-segments 



more than 1 lin. broad. 



Plant deeply covered with long soft hairs ; leaves 



up to lj in. in diam. ; petioles up to 10 lin. 



long • 



Plant very sparingly and shortly hairy ; leaves 

 up to 2 in. in diam. ; petioles up to 15 lin. 

 long ....... 



Pedicels always 1-flowered, ebracteolate except in 



8. dubia; calyx-segments less than 1 lin. 



broad. 



Pedicels bracteolate, shorter than the calyx; 



plant H ft. high or more .... 



Pedicels ebracteolate, 2-6 times as long as the 

 calyx ; plant 6-12 in. high. 

 Lower leaves cordate ; pedicels twice as long 

 as the calyx ...... 



Lower leaves not cordate ; pedicels 3-6 times 

 as long as the calyx. 

 Plant very viscid ; leaves acute, cuneate at 



the base ; capsule 3-4 lin. long . 

 Plant not viscid ; leaves obtuse, rounded or 

 subtruncate at the base ; capsule 2- 

 2h lin. long ... 



Perennials with woody stems and branches; leaves 

 small, sessile or shortly stalked. 



1. S. pedunculosa. 



2. S. hereroensis. 



3. S. elegantissima. 



4. S. aurantiaca. 



5. #. cauescens. 



6. S. inicrantha. 



7. S. llantyrensis. 



8. S. corymbosa. 



9. S. WehvitscJiii. 



10. S. dubia. 



11. S. lyperiatflora. 



12. S. tomentosa. 



13. S. heucherifolia . 



