Part 3, 1912] 



ae;cidiaceak 



221 



Uredmiosp ore -wall verrucose-ecliinulate. 

 Urediniospores very small (13-17 X 16-19 m) 

 Urediniospores medium-sized (15-19 X 18-23 u) . 

 Urediniospore-wall echinulate. 

 Urediniosp ore- wall verrucose. 

 Urediniospore-wall moderately ihin (2ju and less). 

 Teliospore-wall evenly thick. 

 Telio spore- wall thicker above. 

 Teliospores small (14-27 /x long-). 



Apex of teliospores smooth, with a paler umbo. 



Apex of teliospores covered with digitate pro- 

 jections. 



.T .. . Teliospores large (25-43 ;u long). 

 Urediniospore-pores scattered. 



Urediniospore-wall moderately thin {2fi and less). 

 Urediniospore-wall verrucose-echinulate. 

 Pores rather few, 4-6. 

 Pores rather numerous, 6-10. 



Teliospore-wall only slightly thicker above 



(2-3m). 

 Teliospore-wall much thicker above (3-7 /z). 



Teliospore-wall cinnamon-brown ; pedicel 

 tinted. 



Teliospore-wall chestnut-brown ; pedicel 

 colorless. 

 Urediniospore-wall echinulate. 

 Pores rather few, 4-6. 



Teliospore-wall light golden-brown ; pedicel as 



long as spore or less. 

 Teliospore-wall chestnut-brown ; pedicel two or 

 three times as long as spore. 

 Pores rather numerous, 6-10. 



Teliospore-wall thin (1.5 /x), apex much thicker 



(5-7 m). 

 Teliospore-wall thick (3-5 m), apex somewhat 

 thicker (4-7 m). 

 Urediniospore-wall moderately thick (2/i and more). 

 Urediniospore-wall verrucose. 

 Urediniospore-wall echinulate. 

 Teliospore-wall evenly thick. 

 Teliospore-wall thicker above. 

 Host belonging to family Cyperaceae. 

 Urediniospore-pores equatorial. 



Urediniospores with 2 pores (occasionally 3 in JV. 

 minuta). 



Urediniospore-wall sparsely echinulate. 

 Urediniospores small (10-15 X 15-19 ju). 



Urediniospores medium-sized (15-19 X 19-29 m)- 

 Urediniospore-wall finely verrucose-echinulate. 

 Urediniospores with 3 pores. 

 Urediniospores with 4 pores. 



Urediniospores large (18-21 X 26-31 m)- 

 Urediniospores medium-sized (16-19 X 19-26 ii). 

 Urediniospore-pores extra- equatorial. 

 Pores 2, super- equatorial. 

 Pore 1, below, near the hilum. 

 Host belonging to family Araceae. 



Urediniospore-wall thicker above, pores 4. 

 Urediniospore-wall not thicker above, pores 2 (or 3). 

 Host belonging to family Commelinaceae. 

 Host belonging to family Pontederiaceae. 

 Host belonging to family Juncaceae. 

 Urediniospore-pores 2. 



Urediniospores verrucose, the pores equatorial. 

 Urediniospores echinulate, the pores super-equatorial. 

 Urediniospore-pores 3 or 4. 

 Host belonging to family Melanthaceae. 

 Host belonging to family Alliaceae. 



Urediniospore-pores 5-8 ; teliospores globoid. 

 Urediniospore-pores 7-12 ; teliospores obovoid. 

 Host belonging to family I^iliaceae. 

 Host belonging to family Iridaceae. 



Urediniospores small (16-19 X 23-26 m) ; teliospores pale- 

 yellow. 

 Urediniospores large (19-23 X 26-31 m) ; teliospores dark 

 cinnamon-brown. 

 Uredinia and telia inhabiting dicotyledonous hosts. 

 Host belonging to family Polygonaceae. 



2. N. pedatata. 



4. N. graminicola 



6. N. major. 



7. N. seditiosa. 



5. N. leptoderma. 



8. N. minima, 



9. N. Halstedii. 

 10. N. Sporoboli. 



11. N. Eragrosiidis 



12. N. Alopecuri. 



13. N. amphidyma 



14. N. Hordei. 



16. N. Poae. 



17. TV. Epicampis 



18. N. Aegopogonis 

 3. N. Chgnyi. 



19. N. Peckiana. 



15, 

 20, 



N. mystica. 

 N. Polemonii. 



26. 

 22. 

 23. 



24. 



25. 

 27. 



28. 

 29. 



30. 

 31. 

 32. 

 33. 



N. minuia. 

 N. Eleocharidis. 

 N. Rhyncosporae. 

 N. Scleriae. 



N. Scirpi. 

 N. valens. 



N. perigynia. 

 N. uniporula. 



N. Caladii. 

 N. pyriformis. 

 TV. Commelinae. 

 N. Pontederiae. 



34. 

 35. 



37. 



38. 

 39. 

 40. 



TV. Junci. 

 N. Stlphii. 

 N. Junci-effust . 

 N. Zygadeni. 



TV. aemula. 

 TV. bicolor. 

 TV. Lilii. 



41. TV. hotisioniala 



42. N.proha. 



