M U S I. 19 



The species is no doubt dioicous. Since the engraving was made, 

 we have found in the collection a stem abounding in male buds, situ- 

 ated in the axils of the leaves, small for the size of the plant, ellip- 

 soidal and stipitate ; leaves 7-10 ovate, lanceolate, costate ; antheridia 

 5-7; paraphyses numerous, linear, 10-14 septate, longer than the 

 antheridia. 



Plate 4, A. — Syrrhopodon Taitensis : plants in a moist and in 

 dry state, of the natural size. Fig. 1. Portions of stem and leaves. 

 2, 3, 4. Leaves. 5, 6. Points of leaves. 7, 8. Portions of leaves, 

 showing the reticulation. 9, 10, 11. Cross sections of leaf. 12. Cross 

 section of the sheathing base of the leaf. — Details enlarged. 



3. Syrrhopodon tristichus, Nees. 



Syrrhopodon tristichus, Nees, in SchwEegr. Suppl. 4, 1, t. 311 j Bryol. Javan. p. 55, 

 t. 44. 



Hab. Feejee Islands. 



Tribe 9. ZYGODONTE-SI. 



1. Z Y G D N, Hook. & Tayl. 



1. Zygodon Peruvianus, Sp. Nov. (Tab. 4.) 



Z. dioicous ; elatus fastigiato-ramosus ; foliis oblongo-lanceolatis acumina- 

 tis squarrosis carinatis subcompUcatis, rnarginibus leniier recurvis sub- 

 undulatis, costa subapice evanida ; capsula ovali-obovata arcuata lon- 

 gicolla sicca costata brevi-pedicellata, peristomio simjplici 8-dentato, 

 operculo longirostrato. 



Hab. Casa Cancha, Andes of Peru; at an elevation of 15,000 feet. 



Grows in large, spongy rust-colored tufts. Stems 3-4 inches high, 

 fastigiately branched, beset with short radicles to near their apex. 

 Leaves decurrent at their base, arcuately recurved, oblong-lanceolate 

 acuminate carinate, the lamina on each side of the costa complicate to 

 half their width, thence to the margins gradually recurved, subundu- 



