328 



MEMOIRS OF THE NEW YOKK BOTANICAL GARDEN 



Figure 6. 'Macropharynx fistulosa Rusby. A, leaf and hollow stem, with ra- 

 cemes reduced to solitary flowers ; B, inner face of limb of corolla ; C, calyx with five 

 bracts resembling double calyx; D, stamen-attachment at base of throat, with stigma 

 in place. 



