64 



0. Tasmanicum, Hook. /. and Wils. Leaves lanceo- 

 late subulate, margins reflexed, slightly crisped; 

 fruitstalk rather long ; capsule elliptic-oblong, striata 

 when dry. Internal peristome eight rather wide cilie, 

 keeled, entire, connivent. Calyptra pale, shining. On 

 twigs of bushes, Launceston. 



0. Lawrencii, Mitten. Leaves ovate-lanceolate, acute, 

 keeled, upper margin erose ; perichfetial similar. 

 Capsule oval-cylindric, plicate to the base, on fruit- 

 stalk half as long, lid with short beak. Teeth eight, 

 yellow, reflexed when dry, cilia eight similar in size 

 and colour. 



29. ZYGODON, Sir W. J. Hooker. 



Yoke tooth, in allusion to the paired teeth of the peristome. 

 Key, !S T os. 14-24. On trunks of trees and rocks. 



A. Leaves entire. Peristome single. 



1. Z. anomalus, Dozy and Molkb. Steins short, scarcely 

 branched, yellow green, margins undulate, flexuous ; 

 when dry, loosely twisted and crisped, oblong 

 lanceolate, keeled, entire ; nerve short, excurrent ; 

 perichsstial shorter, lanceolate-acuminate, erect. Fruit- 

 stalk reddish yellow, flexuose. Capsule sub-pyrif orm, 

 sulcate, mouth contracted, pale brown ; lid conic- 

 rostrate. Gully near the Avon, on decayed wood. 



2. Z. intermedins, Bruch. and Shimp. Stems branched. 

 Leaves lax, erecto-patent, lanceolate-lingulate, sub- 

 acute. Inner peristome, eight cilia. Key, No. 74. 

 On trees, Mount Wellington. 



Peristome double. 



3. Z. Brownii, Schwjbgb. The branches reaching an 

 equal height ; leaves pale green, spreading, recurved 

 squarrose, oblong, acuto ; nerve continuous and 

 excurrent. Fruitstalk very slender, | to |in, long. 

 Capsule pyriform, furrowed ; peristome double, outer 

 often rudimentary or irregular ; in var. 8 cilia. Hook. 

 Handbook 1ST.Z. Fl. Common on rocks, bark of trees, 

 &c, throughout the island. 



