81 



In conclusion I wish to most tieartily tliank tliose botanists wtio have 

 so Icindly co-operated with me in this work. 



FAMILY 1. ALBUGINACEAE. 



1. Albugo bliti (Biv.) Kuntze. 



On Acnida tamariscina (Nutt). Wood, Hamilton, 8:1907$. 



On Amaranthus graecezans L., Tippecanoe, 10:1907. 



On Amaranthus huhridus L. (including A. sp. of Underwood), 



Johnson, Putnam, Tippecanoe 1893:31: — Madison, 8:1907. 

 On Amaranthus retro flex us L., Johnson, 1893:31: — Hamilton. 



7:1907; Madison, 8:1907; Tippecanoe, 10:1905. 

 On Am a rant hvs spiiiosvs L.. Montgomery, 1893:31: — Hamilton, 



7 :1907. 

 '■' Albugo caxdida (Pers.) Koussel. 



On Brassica arvensis (L.) B. S. P., Putnam, 8:1907. 



On Br assica nigra (T-.) Koch, .Johnson. Tippecanoe, 1893:32: — 



Hamilton, Putnam, 7 :1907. 

 On Bursa bursa-pastoris (L.) Rrittou. {Capsella Bursa-pastoris 



Moench). Montgomery, I'ntiinni, 1893:32: — Hamilton, 7:1907; 



Tippecanoe, 5:10(k;. 

 On C'ardamine hulbosa (Torr.), Britton, Montgomery, 1893 :32§. 

 On Dentaria sp.. Montgomery, 1893 :32. 

 On lodanth us pinnatifldus (Michx.). Steud. {ThelypodUnii piii- 



nuMfldv.m Wats.). Tippecanoe, (>:i907. (Arthur) Herbarium 



Arthur. 

 On Lepidium virginicum L., Putnam, 7 :1907. 

 On Raphanvs sativus L.. Johnson. Putnam. 1893 :32 ; Hamilton, 



7:1907. 

 On Roripa armoracea (L.) A. S. Hitchcock {Nasturtium armo- 



raeia Fries). Putnam. 7:1897, 7:1907; Tippecanoe, 8:1894. 



(W. Stewart.) Herbarium Arthur. 

 On Roripa pal ustris (L.) Bessey {Nasturtium palustre DC), Ham- 

 ilton. 8:1907. 

 On Sinapus alba I.. Johnson, 1893:32. 



IDate of collection. Other references are to year and page of these proceedings, i. «., 

 1893:31. 



'i The material in the Underwood herbarium is labeled as above, but listed as C. J>ul- 

 bosa purpurea. 



[6—18192] 



