Aecidium Compositae. 197 



On Cymbonotus lawsonianus Gaudich. 



Victoria Dookie, Jan., 1892 (Pye). Dimboola, May, 1896. 

 (Reader). Preston, April, 1900 (C. French, jun.). Myrniong 

 (C. C. Brittlebank). 



Some of the specimens were overrun with Darluca filum Cast. 

 There is no clue to the description of this species, but I have drawn out 

 the above from abundant material. 



(Plate XXXIX., Fig. 290.) 



Abrotanella. 



136. Aecidium monocystis Berk. 



Berkeley, Flor. N.Z. II., p. 196 (1855). 



McAlp., Proc. Roy. Soc. Vic. VII., N.S., p. 218 (1894) 



Sacc. Syll. IX., p. 319 (1891). 



I. Aecidia solitary, relatively large (J mm. diam.) persistent on the upper 

 surface of the leaves towards their tips, surrounded with a tough 

 border ; pseudoperidia white, with margin toothed ; peridal cells 

 somewhat wedge-shaped to angular oblong, appearing hexagonal 

 when united, covered with projecting points, 50 x 22 ^. 



Aecidiospores pale orange-yellow, ellipsoid, finely verrucose, 

 25-30 x 19-22 p. 



On leaves of Abrotanella J or sterioides Hook. f. 



Tasmania Summit of Mt. Wellington, Feb. 1891 (Rodway). 



This is a very characteristic species, occurring solitary at the tips of tine 

 leaves. It was first recorded on Phyllachne (Helophyllum) coleusoi Berggr. 

 from New Zealand, but L. Rodway, Government Botanist of Tasmania, has 

 grave doubts as to the correct determination of the host-plant. He is of 

 opinion that this rust is attributed to New Zealand by mistake, and that 

 it was really found in Tasmania. He informs me that this Aecidium is 

 abundant on every tuft of A. forsterioides, which grows in profusion near 

 Hobart, and is not likely to have been overlooked by the early botanists. 

 The coloured drawing of the plant in the New Zealand Flora certainly closely 

 resembles Abrotanella, and I have forwarded a specimen of the plant to the 

 Director of the Royal Gardens, Kew, for comparison with the original. It 

 is not likely that the same Aecidium occurs on a Composite and a 

 Stylidiaceous plant. 



(Plate XXXIX., Fig. 291.) 



01 c 

 137. Aecidium oleariae Me Alp. 



I. Aecidia crowded on steins and leaves, generally running in lines 



lengthwise, about 1 mm. ; pseudoperidia round to elongated, with 



lacerated margins ; peridial cells hexagonal, striated, 35-42 p long. 



Aecidiospores orange, elliptic to oblong, with granular contents, 



22-26 x 14-17 p. 



On stems and leaves of Olearia axillaris F.v.M. 



Victoria Port Fairy, June, 1899 (Robinson). 



The aecidia occur most commonly on the stem, and are deeply imbedded 

 in the tissues of this coast shrub. 



