Hypnace^.] 131 [Habrodon. 



By the Ouse, near York (Spruce 1841) ! ! Holgate beck, York (Webster) ! ! Chorlton, 

 Lane. (Dr. Wood). Reddish (Sidebotham 1853). Willersley, Hereford [Binstead 1893) 1 1 

 Tadcaster, Yorks. and Cowthorpe Weir (Spruce). In the Tay near Kinfauns, Perth 

 (Meldrum 1887) ! I Dailly, A>rshire (Dr. Wood) 1 



The texture of this moss is so soft that it is difficult to obtain a good view 

 of the endostome, and fig. 8 no doubt represents the two halves of a process 

 separated by pressure of the cover-glass. 



II. HABRODON Schimp. 

 Synops. 505 (i860). 



Plants very small, creeping on the bark of trees in soft dull-green 

 patches, dioicous. Stem slender irregularly branched, the branches 

 short, erect. Leaves appressed when dry, squarrosely spreading when 

 moist, ovato-lanceolate, acuminate in long acute points, concave, 

 nerveless, margin flat and entire. Cells smooth, chlorophyllose, above 

 roundish-oval, at mid-base longish-rhomboid, passing into several rows of 

 quadrate ones at margin. Perich. bracts ovato-lanceolate, inner elongated, 

 eroso-denticulate at margin, seta purple, capsule erect, longish oval, 

 annulus of 3 — 4 rows of hyaline cells, lid conical, peristome of 16 lineal- 

 lanceolate teeth, whitish, very soft, irregular at point, endostome none. 

 — Der. djSpos soft, oJovs a tooth. 



HABRODON PERPUSILLTJS {De Not.) Lindb. 

 The only species. (T. CVIII, F.) 



Syn. — Ptero^onium perpusillum (non C. Muell.) De Not. Spicil. 12, n. 22 (1837), Syllab. 84 

 (1838). 



Pterogonimn ? subenervinm Spruce in Ann. & Mag. Nat. hist. 2 ser. iii, 150 (1849). 



Habrodon Notartsii Schimp. Synops. 505 (i860), 2 ed. 587. Musci Eur. novi fasc. Ill — IV, 

 2, t. I, excl. fig. 20 (1866). Bertol. F1. ital. crypt. 433 (1861). Hobk. Synops. 141 

 (1873). HusN. Muse. gall. 298, t. 85 (1892). Dix. James. Stud. Handb. 368 (1896). 



Habrodon perpusillus Linde. in Oefv. vet. Ak. Foerh. xx, 401 (1863). Boulay Muse. 

 Fr. 174 (1884). LiMPR. in Rabenh. D. kr. fl. Laubm. ii, 736, fig. 339 1(1895). 



Habrodon ? Nicaensis De Not. Epilogo 224 (i86g). 



Clasmatodon perpusillus Lindb. in Journ. Linn. Soc. xiii, 70 (1871). 



Hab. — Trunks of plane trees and alfo on oak, elm, maple and blackthorn. 



Rydal, Westmoreland (Nowell 1857) ' ' Windermere (Dr. Wood). Finlarig and Killin 

 (MacKinlay) ! ! Near Ilfracombe (Hunt 1864) ! Bowness and Underbarrow (Stabler 

 1868) ! Ayrshire (Boyd) ! ! Tor hill near Wells, Somerset (Binstead 1886) ! I Dent 

 Yorks. (Stabler). Rossdhu, Luss, Loch Lomond (D. Wilkie 1898) ! 1 Near Levens 

 Hall and Sizergh Castle, Westmoreland (Barnes <&■ Stabler 1869). Grasmere and 

 Shap (Binstead). Mardale and Patterdale (Slater &• Stabler). 



