Loi'anthusP\ 



CXIX. LORANTHACE^ (sPRAGUE). 



257 



Corolla- tube split unilaterally. 



Corolla-lobes shorter than the tube. 

 Corolla glabrous outside . 

 Corolla villous-tonientose outside with 

 verticillate-braiiched hairs 

 Corolla-lobes longer than the tube. 

 Flowers in umbfils. 



Corolla swollen at the base ; no 



intramarginal ring . 

 Corolla not swollen at the base ; 

 intramarginal ring present 

 Flowers solitary or fascicled 

 Filaments produced above into a tooth or forming 

 a ledge in front of the anther. 

 Flowers pentamerons. 



Anthers transversely septate . . 



Anthers not transversely septate. 

 Corolla-lobes longer than the tube. 



Filaments involute . . . . 



Filaments straight below, much thickened 



and involute above . . . . 



Corolla-lobes much shorter than the tube. 



Style not at all skittle-shaped ; bract 



longer than or at least as long as the 



receptacle and calyx 



Style more or less skittle-shaped. 



Calyx tubular, enclosing the basal 



swelling of the corolla-tube . 

 Calyx neither tubular nor enclosing 

 the basal swelling of the corolla- 

 tube. 

 Corolla-lobes reflexed . 

 Corolla-lobes erect 

 Flowers tetramerous. 



Filaments not transversely grooved, produced 



into a tooth (sometimes minute) in front 



of the anther ..... 



Filaments transversely grooved, terminating 



in a ledge in front of the anther 



. 24. Obtectiflori. 



25. PUEPUREIFLORI. 



28. 



29. 



constrictiflori. 

 Erectilobi. 



ISCHNANTHUS. 

 DiPLOBRACTEATI. 



1. Sycophila. Racemes axillary, solitary ; bract unilateral ; flowers tetramerous, 

 polypetalous. Calyx very short, siihtruncate. Corolla subulate in bud; lower 

 part of petal produced above on the inner surface into a small flap, on the dorsal 

 surface of tohich the filament is inserted ; upper part spreading or reflexed. Stamens 

 erect ; anthers linear -subulate, dehiscing laterally, divided transversely into nume- 

 rous small cells arranged in 2 vertical rows ; connective produced into a subulate 

 point above the uppermost cells. Disc absent. Style quadrangular, subtruncaie, 

 much thickened at the base. — Sycophila, Van Tiegh. in Bull. Soc. Bot. France^ 

 xli. 485, genus. 



Corolla in bud narrowly 4-winged in its lower part, wings 



subtruncate above. 



Leaves elliptic or elliptic-oblong, 2-2§ times as long as 



their breadth ; petals 5 lin. long .... 



Leaves oblanceolate-oblong, 8-85 times as long as their 



breadth; petals 9^ lin. long ..... 



2. L. combretoides 



1. L. Wildemanii. 



