-69- 



cium incolorata; paraphyses numerosae graciles ramoso-connexae; asci oblongi 

 membrana sat tenui; sporae 8-nae persistenter hyalinae murales septibus trans- 

 versalibus 10-13 halone indutae, utroqiie apice rotundatae aut obtusae 51-76 [x 

 long., 15-20 iJL lat. Gelat. hym. I dilute coerulescit, citoque fulvescit; sporae 

 intense coeruleo-violacent. 



Endopyrenium Brouardi B. de Lesd., sp. nov. — ad saxa calcaria, No. io'/74. 

 Thallus pallide cinereo-albus 1-2 cm. latus squamosus, squamae sat crassae 

 leves (juniora rotundata) varie crenulatae undulatoque flexuosae circa o.i mm. 

 latae dense imbricatae, subtus pallide albido-carneae basi nigricantes. Apothecia 

 minuta atra globosa immersa apice solum prominentia in squamis plura; perithe- 

 cium integre nigrum. Paraphyses indistinctae; sporae 8-nae hyalinae simplices 

 ellipsoideae, 14-19 ix long., 5-6 jj. lat. Gelat. hym. I + coerulescit deinque 

 vinose rubet. 



Endocarpon (Euendocarpon) pallidum Ach. — ad saxa calcaria. 

 Verrucaria sphinctrina Duf. — ad saxa calcaria (C). 



Anthracothecium libricolum (Fee) Miill. Arg., et A. ochraceo-flavum 

 (Nyl.) Miill. Arg. — ad arbores. 



Trypethelium eluteriae Spreng. (C); et var. inaequale (Fee) Miill, 

 Arg.; et T. tropicum (Ach.) Miill. Arg. — ad arbores. 



Tomasellia Brouardi B. de Lesd., sp. nov. — ad corticem levem, No. 10812. 

 Thallus albidus tenuissimus hypophleo'des. Apothecia aggregata nigra deplanto- 

 convexa nuda minutissima, primum velamine thallino tectae, maculam rotundam 

 circa i mm. lat. vel ellipticam, vel irregulariter elongatam, formantia. Epithe- 

 cium, thecium et hypothecium incolorata; paraphyses graciles ramoso-connexae; 

 asci subpiriformis apice non incrassati 33-54 m long., 19-24 ix lat.; sporae 8-nae 

 hyalinae oblongae utroque apice obtusae vel uno apice vix.attenuatae i-sept., 

 loculis aequalibus 18-24 ix long., 3.5-4 n lat. Gelat. hym. 1+ lutescit. 

 dunkerque, france, 



5 July, 1921 



RICCIOGARPUS NATANS (L.) GORDA, FROM AFRICA 



Wm. Hy. Pearson 



In a small collection of hepatics from Belgian Congo, sent to me to be 

 determined by Dr. R. Naveau of Antwerp, there are specimens of the above 

 species collected by H. Vanderyst, at Misie, Belgian Congo, Sept. 1914; it is var. 

 terrestris, distinguished from the type by the shorter, broader, and more ro- 

 tundate apices of the scales. 



Stephani says (Sp. Hep. p. 55) that the species, although of world-wide 

 distribution — Tonkin, Japan, Brazil, Australia, New Zealand, Mexico, China — 

 had not been recorded from Africa. In the Manchester Museum there are 

 specimens collected by Krause, at Port Natal, in 1840. 



In my study of the Congo material I had occasion to examine the rich col- 

 lection c,f the genus in the Manchester Museum, which includes the Austin 



