220 FLORA OF MOUNT DESERT. 



JUNGERMANNIACE^. Scale Mosses. 



FRULLANIA, Raddi. 

 F. Eboracensis, Lehm. 



Common on trees; sometimes on rocks. 

 F. Asagrayana, Mont. 



On spruce trees, Beecli Mt. (Rand) ; — on rocks, near Little 

 Harbor (Redfield) ; — among moss on old log, Great Pond 

 (Rand). 



JUBULA, Dumort. 



J. HutchinsiaB (Hook.), Dumort., var. SuUivantii, Spruce. 

 Wet rocks in Intervale Brook (Rand). 



PORELLA, L. 



P. platyphylla (L.), Lindb. 3Iadotheca platyphylla, Dumort. 

 Frequent, usually on trees. Seal Harbor (Redfield); — Deer 

 Brook; Hadlock Brook; Breakneck road (Rand). 



PTILIDIUM, Nees. 

 P. ciliare (L.), Nees. 



Very common on ground, rotten trees, etc. Variable. An 

 unusually small form on old log, path to Beech Cliff (Rand). 

 A large form, among sphagnum in bog hole on The Heath, 

 Great Cranberry Isle, appears to be P. pulcherri7nu7ii (Web.), 

 Nees. 



TRICHOCOLEA, Dumort. 

 T. tomentella (Ehrh.), Dumort. 

 In moss. Cold Brook (Rand). 



BAZZANIA, S. F. Gray. 



B. trilobata (L.), S. F. Gray. Mastigobryum trilobatum, Nees. 

 Very common on ground in damp woods. A very delicate 

 form on wet rocks, northern end of Beech Mt. (Rand). 



