48 
Legerunt; Ehrenberg ad Fareq in Donkolah, Decbr. fruct.; in agris ad Cahiram, Aprili flor. 
Figari ad ripas Nili et in insulis ejusdem frequent. hieme. Kotschy in arenosis insulae Tutti 
prope Kliarlum (Sennaar). 9 Martio flor. 
Polypodiaceae. 
155. Adiantum lunulatum Burm. fl. ind. p. 235. 
Pteris lunata Retz obs. p. 28. f. 4. yidianlum arcuatum Sw. Syn. fil. p. 122. ^4. lunatum Cav. Praei. 1801. 
In fissuris rupium granit., in umbrosis ad Gebel-Fezoghlu. Sennaar. sup. Junio sterile. (Hartm.) 
Habitat in India or., in Sennaar, insulis Caboverde, ad fluv. Quorra, in America calidiore. 
156. Pteris longifolia L. sp. 1531. 
Synon. conf'. Hooker spec. filicum Vol. II. p. 157. 
In declivibus ad ripas fluv. Babr-el-AziAk prope Abu-Sugra. Sennaar inf. Majo sterilis. (Hartm.) 
Habitat per totius terrarum orbis regiones temperatas calidiores atque tropicas sparsa; in Africa 
insulas Caboverde, Madagascar, Abyssiniam, in Europa Hispaniam, Siciliam, Dalmatiam incolit, (ex Hook.) 
Bryaceae. 
157. Funaria liygrometrica Hedw. sp. Musc. p. 172. 
Funaria minor Ehrenberg! ined. in herb. aegypt. 
in phoenicetis umbrosis haud rare obvia, prope Metrihenneh (Memphin); hinc inde etian» 
secus Nilum in fossis exustis, Schaduf dictis. Aeg. med. Januario fruct. (Hartm.) 
Habitat in sterilibus humidisque totius orbis vulgatissima. 
Legit Ehrenberg ad cisternas et in muris prope Fonah, Jan. fruct.; ad aquarum ductus Ca- 
liiianos, Febr. fruct. 
Ricciaceae. 
158. Riccia crystallina L. sp. 1605. 
Prope Assuan supra catarrhactas. Aeg. sup. (Hartm.) 
Habitat in lutosis ripariis, in inundatis totius fere orbis. 
Legit Ehrenberg prope pagum Gizeh et prope Fonah (Aeg. med.). 
Characeae. 
159. Chara foetida A. Br. Flora 1835. p. 63. 
In fossis aquae fluentis haud procul ab Abusir prope Cahiram, Decbr. haud fructifera. (Hartm.) 
