136 



Puccini a Juncaceae. 



JUNCACEAE. 



58. Puccinia juncophila Cooke and Mass. 



Cooke and Massee, Grev. XXII., p. 37 (1893). 



Sydow, Mon. Ured. I., p. 644 (1903). 



Sacc. Syll. XL, p. 199(1895). 



Uredo armillata Ludwig, Bot. Centrbl. XLIII. p. 



Juncus* 



(1890). 



II. TJredosori ruddy-brown, ellipsoid, crowded, confluent, often girdling 



stem, surrounded by the ruptured epidermis and sparingly covered 

 by shreds of it. 



Uredospores sub-globose, elliptic or piriform, very spiiiulose, 

 relatively thick-walled (3-4 p) yellowish-brown, 24-32 x 16-22 /*. 



III. Telutosori dark-brown, elliptic to oblong, surrounded by ruptured 

 epidermis, confluent. 



Teleutospores intermixed with uredospores, elliptical to oblong, 

 golden-brown, with finely granular contents, slightly constricted 

 at septum, rounied and a little thicker at apex (5-6 p), lower cell 

 rounded at base and generally resembling upper, but often some- 

 what narrower, 30-40 x 20-28 p, average 36 X 25 yn ; epispore 

 thick, smooth ; pedicel hyaline, generally deciduous, often 

 attached obliquely, up to 54 /u long. 



X. Mesospores similarly coloured to teleutospores, shortly elliptical, 

 occasionally globose, smooth, thickened at apex, 23-28 x 19-21^. 



On Juncus effusus L., J. mwitimus Lam., J. pallidus R. Br., J. 

 pauciflora R. Br., and other species. 



Victoria Coromby, Oct., 1889, II. (Tepper), the original of 

 Uredo armillata Ludw. Dimboola, Nov., 1891, II., III. 

 (Reader). Oakleigh, April, 1893, II., III. (Morrison). 

 Ardmona, Christmas Hills, Killara, Millbrook, Minyip, 

 Mordialloc, Myrniong, near Melbourne, Phillip Island, 

 Stawell, Werribee Gorge, Murramurrangbong Ranges, &c. 



Tasmania (Rod way 1 ). 



In the original description of this species by Cooke and Massee, some 

 mistake must have been made in the measurement of the uredospores, since 

 they are given as 16-18 x 12-14 p. 



Through the kindness of Dr. Morrison, I have also been able to examine 

 some of the original material from Oakleigh. 



Uredo armillata was the name given at first by Ludwig in 1889, from the 

 uredospores only being found on Juncus pallidus, but the subsequent dis- 

 covery of teleutospores intermixed with uredospores showed that it was a 

 Puccinia. Material sent by Reader to Kew Herbarium was originally 

 referred to Uromyces junci by the authorities there, but the identical 

 specimens being later forwarded to us the two-celled toleutospores weiv 

 found mixed with the uredospores. Uromyces junci, therefore, has not been 

 shown to exist in Victoria. 



Darluca filum Cast., was very common, in some cases rendering the 

 patches quite black. It occurred both on uredo and teleutosori. 



(Plate IV., Figs. 35, 36.) 



