7. R. 



suffruticosa. 



8. R. 



cameroniana, 



9. R. 



Jamesii. 



Rhamphicarpcc] xcn. scrophulariace<e (hemsley and skan.) 419 



Leaves only about twice as long as broad ; 

 corolla-tube 8-9 lin. long ; limb 11-12 

 lin. in diam. . . . 



Capsule broadly obovoid, sublruncate or ob- 

 cordate at the apex, not beaked 

 Leaves quite entire, linear ..... 



Corolla-tube not gibbous. 



Flowers axillary; uppermost leaves usually without 

 flowers in their axils ; stems more or less 

 procumbent. 

 Leaves 5-14 lin. broad; pedicels 9-24 lin. long; 



calyx-lobes broadest in the middle . . 15. R. herzfeldiana. 



Leaves 1-5 lin. broad ; pedicels 2-9 lin. long; 

 calyx-lobes broadest at the base. 

 Stems numerous ; calyx divided below the 



middle ; corolla-lobes oblong or ovate . 16. R. multicaulis. 

 Stems few ; calyx not divided below the 



middle ; corolla-lobes broadly obovate . 17. R. montana. 

 Flowers in terminal racemes or in the axils of the 

 uppermost leaves ; stems erect except in R. 

 ajugif cilia. 

 Calyx pubescent, often densely. 



Pedicels usually about 9 lin. long . . . 18. R. Henglini. 



Pedicels up to 1J lin. long. 



Stems decumbent ; plant densely long- 

 pilose ...... 14. R. ajugif cilia. 



Stems erect; plant shortly pilose. 



Leaves 3-8 lin. long, l-2i lin. broad, 

 often entire. 

 Plant up to 3 \ ft. high; corolla-lube 

 8-10 lin. long ; calyx-lobes 

 deltoid, 1^-2 lin. long . . 10. R. asperrima. 



Plant only a few inches high ; corolla- 

 tube 6i-7i lin. long ; calyx- 

 lobes narrowly triangular, f-lj 

 lin. long ..... 11. R. Ellenbeckii. 



Leaves 6-18 lin. long, 2-6 lin. broad, all 

 more or less toothed. 

 Flowers distant ; calyx 4^-5f lin. 



long; lobes 2h lin. long . . 12. R. VolJcensii. 



Flowers close together ; calyx 3| lin. 



long; lobes 1± lin. long . . 13. R. spicata. 



Calyx glabrous or nearly so. 



Pedicels 2-18 lin. long ; calyx 4-5 lin. long ; 

 corolla-limb i—2 in. in diam. 

 Upper leaves and calyx-lobes distinctly 



hook-like ...... 20. R. hamata. 



Upper leaves and calyx-lobes not hook-like 



or less distinctly so . . . .19. R. tubulosa. 



Pedicels about 4 in. long ; culyx 7-lli lin. 

 long ; corolla-limb 3 in. long, 2i in. 

 broad ....... 21. R. aquatica. 



1. R. fistulosa, Benth. in DC. Prodr. x. 504. An erect usually 

 very much branched herb, from a few inches up to 4 ft. high, usually 



