HYPOCRELLA AND ASCHERSONIA. 231 



verrucose, and the other probably a parasitized form of the same 

 species. The latter is gray or brownish-gray, lenticular or 

 broadly conico-convex, circular in plan ; pycnidia scattered ; 

 the stromata appear at first sight to be attached to the leaf over 

 the whole of the base, but a vertical section shows that they are 

 attached by a central disc, separated from the main mass, except 

 in the centre, by a deep narrow cavity ; the structure is therefore 

 that of phyllogena, but the stalk is much reduced ; the basal 

 cavity is lined with basidia which tear minute, oblong-oval 

 pycnospores, 4-6 x 0*75-1 '5^.; these pycnospores are similar 

 to those found in parasitized specimens of Aschersonia placenta. 

 Aschersonia hasicystis Berk., the pycnidial stage of Hypocrella 

 phyllogena, was described from Wright's Cu'mn Fungi No. 766 ; 

 after the description Berkeley added " No. 787 has the same 

 * species on leaves from swamps mixed with a tufted Scytoncma " ,* 

 the type (No. 766), in Herb. Kew, contains two specimens only ; 

 these are stud shaped, with pycnidia on the stalk, the pycnospores 

 being oval or lozenge-shaped with long thin ends, and measuring 

 10-12 X 2-3 \). ; No. 787 is included under Aschersonia hasicystis 

 in Herb. Kew, Herb. Paris, and Herb. Berlin (in the latter case, 

 ex Herb. G. Winter), but none of the specimens now contain any 

 Aschersonia. Tlie type of Aschersonia juruenis P. Henn. , Ule 

 2889, contains only one specim.en, and that is very poorly devel- 

 oped ; it appears to be Aschersonia hasicystis, as far as can be 

 ascertained without destroying the specimen, though Hennings 

 described it as having paraphyses ; another gathering, under the 

 same name in Herb. Berlin, on Psychotria from Peru, Ule No. 

 3266, also contains only one specimen. Aschersonia Jacarandse 

 Speg. ( = A. Cheloniss Speg. in Herb.) ex Herb. Spegazzini is 

 the pulvinate non-stalked form of A. hasicystis. B,ecords of 

 " Aschersonia oxyspora Berk." from South America usually 

 refer to A. hasicystis or A. viridans. Two specimens of A. 

 hasicystis collected by Puttemans, No. 916, Alto da Serra, S. 

 Paulo, August, 1902, in Herb. Berlin, are marked Aschersonia 

 Puttemansii by Hennings. 



Massee (Jour, of Botany (1896), p. 151) stated that the fungus 

 recorded for Brazil by Berkeley under the name of Aschersonia 

 oxyspora in Jour. Linn. Soc, XV., p. 394, and Decades of Fungi, 

 No. 615* (Kew Jour. Bot., VIII., p. 278), is Hypocrella ochracea ; 

 the specimens, however, are Aschersonia turhinata. 



In Herb. British Museum there are specimens of Aschersonia 

 hasicystis in the cover of Fusarium hypocreoideum, marked 

 Solenospora hypocreoidca Cke. & Mass., from Jamaica, collected 

 by Mrs. E. M. Swainson. 



Distribution. — Guiana, Leprieur Nos. 580, 1,121, 1,122, in Herb. 

 Paris. Brazil — 18,784 ex Herb. Ign. Urban (Hypocrella ahnormis) ; 

 Hypocrella Edwalliana ; Glaziou 18,811, suh H. Edwalliana ; 

 Moller 286 [Moelleriella sulphurea) ; Rick No. 294, suh H. verru- 

 culofa ; Ule 2,889 [Aschersonia juruensis) ; Puttemans No. 916 

 {A. Puttemansii), all in Herb. Berlin; Glaziou 18,811, in Herb. 



6(9)21 (31) 



