HYPNACE*.] 146 



Hylocominm rugosum DE NOT. Epilogo 99 (1869). Dix. JAMES. Stud. Handb. 498 (1896). 

 LIMPR. in RABENH. D. kr. fl. Laubm. iii, 



Rhyiidium rugosum KINDB. Laubm. Schwed. et Norw. 15 (1883). 



Dioicous ; in lax extended yellowish-green or golden-brown tufts, 

 ferruginous at base. Stem rigid, depressed or ascending, irregularly 

 branched or pinnate, the branches in two rows, decurved, turgid, densely 

 leafy, a few small paraphyllia at their bases. Stem-leaves densely 

 crowded; falcato-secund, ovato-lanceolate, acuminate, longitudinally 

 plicate and transversely wrinkled, margin recurved in the lower half and 

 serrated ; nerve, one reaching middle, back of leaf above rough with 

 spinulose papillae ; cells narrow, linear-vermiform, at base rectangular, at 

 angles quadrate in a triangular group. Perich. bracts erect, plicate, 

 lanceolate, nerveless, seta purple ; capsule cernuous, cylindric gibbous, 

 lid conic, rostellate, peristome yellow. 



HAD. Grassy banks and rocks in subalpine calcareous districts. 



Norfolk (Eagle}. Kenmore and Ben Lawers (Arnotf). Dovedale (Braithwaite) \ \ Whit- 

 barrow (Clowes 1856). Witherslack and Brigsteenvood (Stabler). Beetham Fell 

 (Barnes 1867). Grasmere (Binstead 1893). Near Lough Foyle, Derry (Lett & Waddell). 



15- CAMPYLIUM (Sull.) Mitt. 



Muse. & Hep. U.S. 77 (1856). 



Slender, prostrate mosses, vaguely or subpinnately branched ; leaves 

 from a broad ovate base, suddenly running out in a long acumen, 

 subsquarrose, finely serrulate, nerves two, very short or none, cells linear, 

 very narrow, quadrate at angles. Capsule inclined, subcylindric curved, 

 lid convex-conic. Der. Ka^uXos curved. 



CLAVIS TO THE SPECIES. 



Leaves sheathir g at base, squarroso-recurved, serrulate. Hallrti 



sheath.ng, squarroso-divergent, serrulate below hispidulnm. 



i. CAMPYLIUM HALLERI (Swartx) Lindb. 



Autoicous; stem creeping pinnate and with short erect branches in 

 eaves crowds , squarroso-recurved, broadly ovate-acuminate, 

 Capsult 



ico H ALLER Hist, stirp. 



