40 



P. DUSEN, MOSSES FROM THE WEST COAST OF AFRICA. 



Habitat in Camerunia in ramulis arborum, nbi ad Bibnndi pagum m. Julio a. 1892; ad 

 Bomanam pagnm c. (>70 metra supra mare m. Decembri a. 1890, prope Etome pagum c. 330 metra 

 supra mare m. Januario a. 1892 c. fr. vetustis, supra Bibnndi pagum c. 300 metra supra mare 

 m. Julio a. 1892 legi. 



Tbis fine and magnificent species, which grows at the ends of the branehes of trees, is 

 very common, but only to be found in the deep exeavated river-beds on the west side of the 

 ( 1 ameroons Mountain from the sea up to a height of at least 1,000 m. Usually barren. 



Some few old capsules I found, but an accurate description of the fruit eannot be given. The 

 pendulous seta seems to be stramineous, straight, 3, c — 5,5 mm. long and 0,25 mm. thick; the capsule 

 brown, ovate or ovate-oblong, 1,8 — 2,4 mm. long and about 0,96 mm. thick; the extern peristomial 

 teeth yellowish, lamellated, with medial line, reaching 0,5 6 mm. out of the month of the capsule. 



..32 . . . . 32 . 32 



Fig. a bractese pencnsetii — ; b folia ramea ad hasiiu rami sita — ; c folium rameuin — ; d folium ra- 



r 32 ni • , 142 • n « i i 142 fl t ■ 18 



muhnuin — ; e cellulae apicales ; j celliiliL- basaJes ; g nos lemmens — . 



Pl. V. fig. 3 planta magn. nat. 



Porotrichum stolonirameum C. Muller n. sp. in litt. 



Dioicum; caulis longe repens, fasciculatim radiculosus, reraote ramosus; rami pri- 

 marii intima basi tetate defoliati, pallide virides vel flavo-brunnei, erecti vel plerumque e 







m 



m 





■ 



ramulis arborum horizontaliter patentissimi, haud penduli, usque ad 7 cm. longi, stiicti 

 vel interdum leniter arcuati, rigidi, complanati, dense tripinnatim ramulosi, ramulis tum 



