310 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN 



VOL. 10 



asia (continued) 



shiraianum 



taianum 



tsingchensis 



turkestanicum 



yamadae 



Known in aecial stage only 

 distortion 



fenzelianum 

 leve 



magnum 



nanwutianum 



pat u htm 



pourthiaeae 



sikangense 



wenshanense 



AFRICA 



atlanticum 



clavariiforme 



confusum 



cornutum ? 

 fx scum 

 gracile 



ANALYTIC KEYS 



Aeeial Stage Exclusively Considered 



1. Aecia cupulate, peridium short, lacerate or erose. 

 2. Aeciospore-wall thicker above. 

 2. Aeciospore-wall evenly thick. 

 3. Aeciospore-wall pale brown. 

 3. Aeciospore-wall pale yellow. 

 4. Wall thin (1-1.5 ft). 



4. Wall thick (3-4 

 3. Aeciospore-wall nearly colorless. 



5. Wall thin (1 fx) . 

 5. Wall medium thick (2-3 m). 



6. Wall strongly verrucose. 

 6. Wall minutely verrucose. 

 1. Aecia roestelioid. 



7. Peridium retaining tubular or cornute form, not much altered by dehiscence. 

 8. Peridium finally dehiscent at apex, slightly or not lacerate. 

 9. Peridial cells verrucose. 



10. Side-walls of peridial cells verrucose only on inner third. 



(Aecidium) patulum. 



magtt um. 



libocedri. 

 nootkatense. 



(Aecidium) pourthiaeae. 



ellisii. 

 wenshanense. 



11. Aeciospore-wall pale yellow, 2-2.5 fx. 



11. Aeciospore-wall cinnamon-brown, 1-1.5 fi. 



10. Side-walls of peridial cells verrucose over entire surface, 

 i 12. Aeciospore-wall finely verrucose, 2-2.5 fi. 



12. Aeciospore-wall rugose-verrucose, 2.5-3 /x. 

 9. Peridial cells verruculose. 



13. Aeciospores 20-26 x 23-31 /i, wall 2-3 /x. 



13. Aeciospores 18-23 X 19-28 fx, wall 1.5-2 fx. 

 9. Peridial cells closely papillose. 



9. Peridial cells subspinulose. 

 9. Peridial cells spinulose. 



14. Peridial cells rather long (80-120 jx). 

 15. Aeciospore-wall verruculose. 



15. Aeciospore-wall smooth. 



14. Peridial cells not so long (50-90 fx). 



16. Peridium hypophyllous, 1-3 mm high. 



16. Peridium hypophyllous and fructicolous, 2-6 mm. 

 9. Peridial cells semi-rugose, with elongated papillae. 

 9. Peridial cells rugose. 



17. Inner and side walls rather sparsely or coarsely rugose. 



18. Inner and side walls 7-9 n thick, aeciospore-wall 1.5-2 



inconspicuum. 

 miyabei. 



harknessia?i urn. 



malyi. 



nipponicum. 



asiaticum. 

 vauqueliniae. 

 japonicum. 



guatemalianum. 



leve. 



nanwutianum. 

 exiguum. 

 nelsoni. 



amelanchieris. 



