Puccinia to 
ber of short cycled species of rusts possessed teliospores very similar 
to the teliospores of heteroecious long cycled species whose aecia were 
produced on the host of the short cycled species. Thus Tranzschel® noted 
the striking similarity between the teliospores of Puccinia Pruni-spino- 
sae Pers. on Amygdalus communis and the teliospores of Puccinia fusca 
Winter on Anemone. Aecidium punctatum Pers., an unconnected aecial 
form, was known to occur upon Anemone and when aeciospores from 
this were sown on Amygdalus communis, Puccinia Pruni-spinosae was 
produced. In like manner several other rusts were successfully con- 
nected. 
In consequence, it was thought that if Puccinia Pattersoniana is 
connected with aecia on Brodiaea, a short cycled rust having teliospores 
with the distinguishing characteristics of those of P. Pattersoniana 
should occur on some species of Brodiaea. In order that this search 
might be as complete as possible, all the species represented in the 
Arthur herbarium, which occur on Brodiaea, were examined, including 
Puccinia Carnegiana Arth., P. subangulata Holw., P. Dichelostemmae 
D. & H., P. twmamocensis Arth., P. nodosa Ell. & Hark., P. Moreniana 
Diet. & Thomp. and Uromyces Brodiaeae Ellis & Hark. Of these only 
Puccinia Moreniana on Brodiaea capitata Benth. showed teliospores with 
pedicels staining with iodine and these took a dark blue stain similar to 
those of Puccinia Pattersoniana. Not only does P. Moreniana resemble 
P. Pattersoniana in this respect but the teliospores of the two are nearly 
identical in size, wall thickness and in the verrucose markings in lines 
In the light of the observations of Dietel and Fischer and the work 
of Tranzschel, the striking resemblance between the teliospores of these 
two rusts strongly indicates that Puccinia Pattersoniana has its aecial 
stage on Brodiaea. This also, when taken with the field association 
noted by Prof. Garrett, can leave but little doubt as to the connection. 
®Tranzchel, W. Travaux de la Soc. Imper. des Naturalistes de St. Petersbourg 
25 :286-297. 1904. Abstract in Botanishes Centralblatt 98:150-151. 1905. 
DESCRIPTION OF PLATE 
PLATE 1 
A.—Teliospores of Puccinia Pattersoniana from the type collection on Agropyron 
spicatum with pedicels stained blue by iodine. 
B.—Teliospores of Puccinia Moreniana from the type collection on Brodiaea capitata 
with pedicels stained blue by iodine. 
