CuxxiNGHAM.— The Ustilagineae, or “ Smuts,” of New Zealand. 417 
[Latin diagnosis. ] 
Elateromyces niger sp. nov. 
Soris ad ovaria destruentibus, semi- асан. atris, ellipticis, ad 
15 mm. longo. 
Sporis globosulis v. breviter ellipticis, 6-9 x eie mmm.; episporio 
subtilissime verruculoso, olivaceo, 0-75 mmm. cras 
Hab.: In ovariüs Caricis dipsacene Berggr. болотон (Wellington, 
N.Z.), sea-coast, E. H. Atkinson 
3. Elateromyces olivaceus (De Candolle) Bubak.  (Text-fig. 29, and 
Plate 47, fig. 2.) 
Bubak, Archiv pro Prirod. Vyzk. Cech, dil. 15, C. 3, p. 33, 1912. 
Uredo olivacea DC., Fl. Fr., vol. 6, p. 78, 1815. Ustilago olivacea (DC.) T 
Ann. Sci. Nat., ser. 3, vol. 7, р. 88, 1847. U. caricicola Tracy and бас 
Bull. Torrey Ol., vol. 26, p. 493, 1899. U. catenata Ludw., Zeitschr. 
Pflanzenkr., de. val 3, p. 139, 1893. 
Sori in occasional ovaries, at first compact and partially concealed 
within the perigynium, becoming pulverulent, olive -brown, up to 5mm. 
long, — with numerous conspicuous yellowish elaters, which attain 
a length of 22mm. but are usually much less, averaging 5-8 mm. 
Spores eo bose | to shortly elliptical, frequently irregular, eften arranged 
in chains, 7-14 x 4-7 mmm. ; epispore closely and finely verrucose, pallid 
olive, ES 0-2 mmi . thick. 
Hos 
Caren virgata Sol. In inflorescences. Herb. Nos. 499, 1249. Pen- 
carrow (жерк sea-coast, E. Н. Atkinson ! 10 F Feb., 1921. 
Carex dipsacea Berggr. Ininflorescences. Herb. No. 1250. Ta apuwal, 
Hokianga (Auckland), 12m., E. Н. Atkinson! 18 Dec., 1923. 
Distribution : "World-wide. 
Both hosts are endemic, and are widely distributed throughout the low- 
land areas of both Islands (Cheeseman, 1906, pp. 814-822). 
e olive colour of the sori, and espec cially нав straw colour of the 
elaters, together with the larger and more irregular spores, — this 
from the two preceding species. The markings on the epispore 
characteristic, for they are more of the nature of warts, appearing flattened 
and closely crowded together. 
stilago catenata Ludw. was based on a specimen of a host supposed to 
a species of Cyperus, but McAlpine с, p. 158) states that he had 
Mr. L way, Government Botanist, 
ermi : 
probasidium being produced. This elongates but does not become septate, 
and is then detached as a conidium. In the case of the larger spores a 
second conidium may be produced, ML ee оп ‘the quantity of the 
protoplasm contained within the spore. In nutrient solution, according 
to Brefeld (1883), budding occurs to a slight extent. When this process 
of germination is compared with such a species as Ustilago Avenae, in which 
about the same size a poss 
14— Trans. 
