21 
160-200 u thick at the apex. This column has the same prosenchymatous structure as 
the basal stroma. In the upper, broader part of each there is a single loculus sunk in the 
stroma; this has no separate wall, but is covered by the polygonal-celled hyphal weft 
of the stroma column. The cells of this covering layer are larger than those at the base, 
being 7-10 u diam. 
In this species of Rosenscheldia the sterile part of the column is very short, the loculus 
being sub-spherical 100-150 u diam. Asci basal, clustered, eight-spored, paraphysate, 
narrow-clavate, thickened round apex, 55-70 u x 16-17 u. Paraphyses numerous, filiform. 
Spores distichous, four-celled, fuscous, clavate, 20-22 u long, 6-6-5 u thick at the broad 
end. 
Rosenscheldia horridula Doidge, nov. sp. 
Stromata plerumque hypophylla, minuta, usque 2 mm. diam., v. confluenda majores, 
columnata, columnis cylindraceis v. clavatis, dense aggregatis, 200-240 u altis, base 
96-160 u, apice 160-200 u crassis. Loculi apicales singuli in quaque columna, stromate 
apicale tegentes, 100-150 u diam. Asci paraphysati, octospori, clavati, ad apicem incras- 
sati, 55-70 u x 16-17 u; paraphysibus numerosis, filiformis. Sporae distichae, 3-septatae, 
fuscae, clavatae, 20-22 u x 6-6°5 u. 
Hab. in foliis Oleae capensis, Durban, 4.6.12, leg. Pole Evans [5149]. 
22. Auerswaldia examinans (M. et B.) Sacc. 
Syll. Fung. I, p. 626. 
Syn. Dothidea eramimnans M. et B.—BI. javan, 520. 
Sphaeria eraminans Mont. et Berk.—Hooker's Lond. Journ. Bot. I, p. 156. 
On bark of old seedling citrus tree, Krantzkloof, Natal, 7.4.14, Bell [7733]. 
Auerswaldia eraminans was originally described as occurring on the bark of a tree 
in Java. The South African specimen agrees with the description given in the Annales 
Mycologici (XIII, 1915, p. 298), except that the loculi are somewhat larger. 
The bark is thickly beset with the erumpent, dull black, tuberculate stromata in all 
stages of growth, from the youngest which are punctiform to the mature columns with 
a length of 800 u. The surface is rough, granular, covered with the somewhat mammillate 
protruding apices of the loculi. 
The stroma develops under the bark, spreading considerably, and breaking through 
at several points develops the stromatal columns in which the loculi are formed. The 
hyphae forming the column are pendicular to the hypostroma, towards the apex becoming 
indistinctly cellular. In the young fruiting bodies only the hypostroma and the outer 
layer of the column is dark coloured. The loculi he in the upper part of the column, and 
are 140-160 u x 120-150 u, circular to ellipsoid, and sunken in the stroma, the latter 
being raised in a series of minute peaks over the apices of the loculi. The loculi are not 
ostiolate, dehiscing by the rupture of the outer stromatic wall. Asci basal, clavate- 
cylindrical, 65 u x 18 u, with a short, broad foot 12 u long. Spores distichous, brown, 
one-celled, oblong-ellipsoid, rounded at both ends, 20-24 x 10-11 u. 
23. Dothidina diseiformis (Wint.) Theiss. and Syd. 
Ann. Myc. XIII (1915), p. 304. . 
Syn. Auerswaldia disciforms Wint.—Hedwigia XXIII, 1884, p. 170; Syll. Fung. 
IX, p. 1033. 
On leaves of Myrica sp., near Capetown, 1883, MacOwan (Rabh. Wint. Fung. Eur. 
3063) [3403]; Krantzkloof, Natal, 14.8.14, V. d. Byl [8396]; Uganda, March, 1916, 
Dummer [11986]. 
Stromata on both sides of the leaf, round or irregular, often angular, 2-5 mm. broad, 
forming black, comparatively smooth cushions, raised 200-300 u above the leaf surface. 
The epidermis, which is filled with stroma, at first covers the true stroma, but later it 
becomes torn and pushed back, and is also torn away from the stroma, with which it was 
