LEUCOBRYACE.E.] 87 [Leucobryum. 



subinflated, rostrate. Capsule exannulate, gibbous-ovate or oblong, 

 glossy castaneous, when old blackish, cernuous, strumose, 8-striate, 

 furrowed when dry ; peristome deep purple, of 16 lanceolate teeth, cleft 

 below the middle into two unequal legs ; lid conic, rostrate, longer than 

 capsule ; spores ferruginous, smooth. 



Male plants in distinct tufts, more slender, with terminal stellate 

 inflorescence ; perigonial bracts 6, ovate, concave, antheridia 10-12, 

 oblong. 



HAB. Wet heaths and woods, common. Fr. rare, 103. 



In fruit, Bantry (Miss Hutchins, 1812) ! Near Rufus stone, New Forest (Lycll, 1813) ! 

 Cornwall (Tozcr) ! Woods about Beaconsfield and Dropmore (Herb. Hook.) ! Foot of 

 Knockindack, Kircudbright (y. Cru, 1840) ! Criffel, Do. (Gardiner, 1840). Clova 

 (R. Brown). Bramshill Park, Hants. (R. S. Hill, 1861). Near Exeter (Parfitt, 1855). 

 Ardingly (Woods). Chailey Common, Sussex (Mitten). Ulpha moss, Levens (Barnes, 

 1866) ! ! Birch wood near Burnham Beeches (Latimer Clark, Howse) ! ! Near Great 

 Marlow (T. Walker). Dartmoor (Dr. de Crespigny, 1870). Bog below Lambert's Castle, 

 Lyme Regis (A. Lister, 1876). Morden Park, Holwell, Dorset (Revs. H. Wood and 

 O. P. Cambridge, 1879) ! ! 



The male plant is very scarce, and the proliferous points of the branches 

 may be easily mistaken for male inflorescence ; the fruit appears to be 

 produced through a large part of the year. 



TAB. XIII. 



Leucobryum glaucum. 



a. b. Female and male plant (Ulpha moss, Barnes), i. Leaf, i a. Apex of same, 

 i ab. Areolation of base, i x. Transverse section, showing foramina and chlorophyllose 

 ducts. i xv. Vertical section. 2. Perichaetial bract. 3. Male infl. 4. Antheridia, 

 paraphyses and bract. 5. Capsules. 6. Calyptra. 7. Operculum. 8. Teeth of peristome. 

 p. Young plants and radicular protonema at apex of sterile stem. p*. Single plant from 



