460 NOTES ON UROMYCES AMYGDALI, COOKE, 



Fig. 6. — Teleutospore from nectarine — June. 



Fig. 7. — Ureclospores (a) and teleutospores (6) from plum leaf — May. 



Fig. 8. — Ureclospores (a) and teleutospores (b) from plum leaf, Tasmania 

 —May. 



Fig. 9. — Teleutospore from apricot — June — showing top cell detached and 

 entire. 



Plate XXXIII. 



Fig. 10. — Group of uredospores from skin of apricot — showing the widest 

 extremes in length. 



Fig. 11. — Uredospores from almond leaf — June. 



Fig. 12. — Uredospores (a) and teleutospores [h) from almond leaf — Decem- 

 ber. 



Fig. 13. — Germinating uredospores from plum leaf, Tasmania — plucked 



May 19th. 



a, after nearly 5 days (4 days 21 hours) in moist chamber; h, contents 



of germ tube vacuolated, and contents of spore turbid; c, contents of 



spore as usual, but contents of tube with minute particles aggregated 



at intervals; d, germ-tube curving upon itself. 



Fig. 14. — Uredospores from peach and plum, and teleutospores from plum 



(after F. L. Scribner). 



a, uredospores from peach, stalkless and echinulate; h, germiaiating 



uredospore from plum, with germ-tube on one side; c, teleutospores 



from plum in surface view showing markings; d, the same in optical 



section. 



