Plate 17. 
EXPLANATION OF PLATE 
Fig. 1-6. 1. Microsporocyte of Erythroxylum Coca, Plowman 6183. 
X 1000. 
2. Microsporocyte of Ervthroxvlum Coca, Plowman 6165. X 1000. 
3. Microsporocyte of Ervthroxvlum novogranatense, Plowman 
3685. X 1300. 
4. Microsporocyte of Erythroxylum novogranatense, Plowman 
6180. X 1300. 
5. Root tip cell of Ervthroxvlum novogranatense, Plowman 6275. X 
2800. 
6. Root tip cell of Ervthroxvlum novogranatense var. truxillense, 
Plowman 6250. X 2900. 
208 
