HYPOCRELLA AND ASOHERSONIA. 215 



in the case of the largest ; they are now deep red-brown, but. 

 according to Berkeley and Broome, were originally scarlet. A 

 second gathering of this species has been made on Lecanium 

 expansum on Schumncheria alnifolia, Maskeliya, Ceylon (Parkin, 

 Hypocrella No. 1, p. 29) ; these are conico-pulvinate with an 

 expanded base, scarlet, dotted with black ostiola; they contain 

 both perithecia and pycnidia. Parkin noted that the colour 

 varied, the rim being nearer red and the crown nearer yellow ; 

 that would bring the species into line with H. caulium, but it is 

 evident that that description was based on a specimen in which 

 the crown had been damaged and the internal tissue exposed. 

 Potash gives a pvirple extract. 



The description of H. ceraniichroa in Ann. Perad., IV., pp. 427- 

 431, includes, in error, several details which relate to Hypocrella 

 Reineckiana. 



Distribution. — Ceylon, in Herb. Kew and Herb. Peradeniya. 



Figures. — Plate 2, fig. 12, Ceylon specimen, x 4; Plate 4, 

 fig. 27, section of type specimen, Ceylon, x 3 ; Plate 4, fig. 28, 

 section, Ceylon specimen, x 3. 



Hypocrella cavernosa Moller, Phycomyceten und Ascomj'- 

 ceteu (1901), p. 299. — Stroma globose, smooth, light reddish - 

 brown, hard, internally white, about 1 cm. diameter. Pyc- 

 nidia tubular, branching, labyrinthiform below ; conidia 

 elongated fusiform, 20 x 6 ^a, hyaline, reddish in mass. 

 Perithecia scattered, deeply sunk, elongated flask-shaped, 

 425 ^ deep, 125 [x diameter, neck 200 tJi-long. Ascus 170 jilong. 

 Part-spores oval, 10-12 X 4 jji,. 



The above description is from Moller, loc. cit. The type 

 specimen, which I have not seen, is said to be included in the 

 spirit collection in Herb. Berlin. In a slide kindly lent me 

 by Prof. Moller, tlie pycnidia appear circular, oval, or with 

 convoluted outline in section; the pycnospores measure 13-18 

 x 4-5 ji,, exceptionally 12 x 6^, ; there are also immature, vacuo- 

 lated conidia, 12 X 2-2*5jjL. The part -s]3ores are cylindric with 

 rounded ends, becoming oval with truncate ends, 8-14 x 3*5|x ; 

 immature cylindric spores may measure only 7 x 3 jx. 



This species is remarkable for the large size of its pycnospores. 

 It has not been recorded again, and it is not represented by any 

 other gathering under this name in any herbarium. But several 

 collections of, apparently, this species have been included under 

 Aschersonia tnarginata, &c. " E. Ule. Herbarium Brasiliense. 

 2627 " is included under Aschersonia marginata in Herb. Kew and 

 Herb. Berlin ; the stromata are smooth, hard, black, covered 

 with a greenish -yellow "bloom," which apparently consists of 

 the conidiophores of an Aspergillus ; the pycnidia are irregiilar, 

 and the conidia measure 10-16 x 2-2 • 5 ; the internal structure is 

 that of H. cavernosa, and similar spores occur on Moller's slide. 

 "Ule, Serra do Ouro Peto, 1892," s«6 A. marginata in Herb. 



6(9)21 (29) 



