Schizoglossum . ] 



LXXXV. ASCLEPIADE^ (bROWN). 



355 



Coronal-lobes without a tooth on their inner 

 face. 

 Corolla-lobes 1 lin. long ; coronal-lobes 



ovate, obtuse . . . . 19. 5. angolense. 



Corolla-lobes 5-7 lin. long; coronal-lobes 



oblong or narrowly ol^long, incurved 



along the margins, ikiiticulate at the 



inflexed tips. 



Corolla speckled and stained with 



purple - brown on an ochreous 



ground . . , . .21. 



Corolla yellowish-green tipped with 



purple-brown . . . .22. 



Corolla-lobes 8-9 lin. long; coronal-lobes 



oblong, 3-toothed at tlie apex. . 23. 



** Leaves \-l\ iu. broad not linear or linear-lanceolate, 

 cordate or broadly rounded at the base, except in 

 16. S. Nyasce. 

 Umbels sessile. 



Leaves 3-4 in a whorl ; coronal -lobes with 1 ter- 

 minal horn and 2 others in front of it . . 16. 

 Leaves opposite ; coronal-lobes truncate and ob- 

 tusely denticulate at the apex, with 2 wing- 

 like inflexed keels on the inner face . . 27. 

 Umbels pedunculate. 



Coronal-lobes equalling or but slightly exceeding 



the staminal-column ; corolla white . . 28. 



Coronal-lobes overtopping the staminal-column by 

 about half their length. 

 Coronal-lobes terminating in a long subulate 

 horn ; corolla-lobes 2h Hn. long, pale viola- 

 ceous . . . . . . .26. S.firmum. 



Coronal-lobes not terminating in a long horn ; 

 corolla- lobes 4-8 lin. long. 

 Coronal-lobes with teeth, keels or other appen- 

 dages on the inner face. 

 Coronal-lobes oblong, obtuse or irregularly 

 denticulate at the apex, with 2 wing- 

 like keels infolded so that their edges 



meet 29. S'.Grantii. 



Coronal-lobes pandurate - oblong with a 

 tongue-like process at the middle, 

 which is decurrent to the base as 2 



keels 



Coronal-lobes 2 lin. long, ovate, truncate, 

 with a triangular appendage on the 

 face ...... 



Coronal-lobes 3-4^ lin. long, dilated into 



rounded auricles at the base, with a 



contiguous pair of deltoid or quadrate 



teeth below the middle 



Apex of the style conical divided into 



5-6 contiguous connivent - erect 



lobules 32. .S. dUlinrtum. 



S. Carsoni. 



S. chlorojodinum. 



S. lividijlorum. 



S. Nyasre. 



S. petherickianttiK. 



S. simulans. 



30. 



31. 



S. exiiiiium. 

 S. Gmtzei^ 



