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128 Carol. Müller, 
nek, Nov. 1875: Rehmann; Natal, Van Reenen-Pass: idem, Coll. 
Musc. A. A. No. 325, forma tropica nigrita-fusca. Hucusque nusquam 
fertilis. 
203. Cryphaea exigua C, Müll, Syn. Musc. II. p. 166 sub 
Pilotricho-Cryphaca. 
Habitatio. Prom. bonae spei, in sylvis Knysnae ad Portland: 
Dr. A. Rehmann sub No. 315 Coll. Musc. A. A.; quoque in eodem 
Districtu prope Esternek, in sylvis, Nov. 1875: idem. 
204. Leptodon Smithii Mohr, Obs. p. 27. 
Habitatio. Prom. bonae spei, Somerset East, Mte. Boschberg, 
ad truncos arborum frondosarum in sylvis; 1877: Prof, Mac Owan 
1878 misit,; Transvaal, Spitzkop prope Lydenburg, Febr. 1888: 
Dr. Wilms in Hb. Jack, qui misit 1889, 
205. Dusenia producta (Hsch. sub Pterogonio); Neckera 
producta Hsch, in Musc. Capens. Mundt et Maire; Neckera 
(Pterigynandrum) producta C. Müll. Syn. Musc. II. p. 94. — 
Lasia producta C., Müll. in schedulis. 
Habitatio. Prom. bonae spei, Somerset East, Mte. Boschberg, 
ad truncos arborum frondosarum, 1873: Prof. Mac Owan, mis. 1877; 
in arboribus prope Blanco: Dr. A. Rehmann, Oct. 1875; in arbo- 
ribus District. Knysnae; idem, Coll. Musc. A. A. 317, 
206. Porotrichum (Thamniopsis) rostrifolium n. sp.; 
cespites neckeroidei bipollicares decumbentes e viridi lutescentes 
splendentes laxissime cohaerentes; caulis strictiusculus angusti- 
frondeus, supra basin nudiusculam tenuem nigrescentem ramis brevi- 
bus complanatis irregulariter pinnatim divisus, apice obtusiusculo 
gemmulam brevissimam gerens; folia laxiuscule erecto-patula madore 
laxius disposita, e basi utrinque auriculoso-rotundata aurescente in 
laminam symmetricam latiusculam ovato-acuminatam plus minusve 
convolutaceam itaque apice veluti rostrato-acutam pallidissimam pro- 
ducta enervia integerrima, e cellulis longis angustis laxiusculis sub- 
conflatis areolata. Caetera nulla. 
Habitatio. Prom. bonae spei, in sylvis prope Blanco, Oct. 1875: 
Dr. A. Rehmanın. 
Dioicum; flores masculi turgescentes, foliis valde convolutis 
breviter cuspidatis, antheridiis multis majusculis. Thamniopsis 
pennaeformis ramificatione omnino diversa angustissima prima 
fronte recedit. 
207. Porotrichum (Stolonidium) pennaeforme C. Müll. 
in sched.; caulis primarius longe repens, secundarius ca. 2—-3 cm 
altus vel brevior robustiusculus, secus axin latiuscule complanatus, 
superne in ramos angustiores plus minusve iterum ramulosos sae- 
pius stolonaceo-caudatas bipinnatim vel fasciculatim divisus: folia 
caulina latiuscula, e basi angustiore parum rotundata in laminam 
