384 
AMERICAN JOURNAL OF BOTANY 
[Vol. 9, 
Fig. 4. M. cuyuniensis. General habit of growth and bagged inflorescences. Pho- 
tograph by John Tee- Van. X 1/26. 
Plate XXIV 
Fig. 5. Same. Section of seed showing embryo. X 42. 
Fig. 6. Same. Transverse section of nectariferous appendage, showing two fibro- 
vascular systems. X 30. 
Fig. 7. M. purpurea. Transverse section of flower bud. X 8. 
Fig. 8. M. cuyuniensis. Section of fruit, showing seeds (light) and abnormal ovules 
(dark). X 26. 
Fig. 9. Same. Transverse section of nectariferous appendage, showing outlets from 
glandular tissue and rudimentary flower bud. X 9. 
Fig. 10. Same. Transverse section of flower bud, showing parietal placentation . 
X6. 
