BY L. KODVVAy. 123 



Fam. 4— LEUCOBRYACEAE. 



Habit, tufted ; stems ascending with few dichotomous 

 or lateral branches, pale and spongy, brittle and harsh when 

 dry. Leaves in many rows, lanceolate, thick, except 

 on the margin, the greater part, generally considered to 

 bv5 a very broad nerve, three cells thick, the superficial 

 layers large and colourless, empty, the intermediate layer 

 interrupted, small and green. Fruit terminal ; capsule 

 on a long seta, oblong; lid rostrate; calyptra cucullate; 

 peristome single of 8 or 16 strong teeth, cleft above^ into 

 two subulate legs 



A small family, with peculiar leaf structure, remotely 

 resembling that of Sphagnum. The structure of the cap- 

 sule and peristome are ver^' similar to Dicranum. 



LEUCOBRYUM, Hampe. 



Ca.psule on a long seta, ceniuous or erect, arcuate, pli- 

 cate when dry ; peristome of 16 teeth, cleft half way. 



LEUCOBRYUM CANDIDUM, Hpe. 



Robust, in dense mats, yellowish green ; stems 2-5 cm. 

 Leaves crowded, imbricate, patent, lanceolate, acute, 6 m.m. 

 Capsule curved, strumous, 2.5 m.m.; lid nearly as long. 



Common at the foot of trees in forests. 



This appears in Gunn's collection as Dicranum Sphagni 

 Wahleht. 



