NECKEKA. 219 



lliaii one hundred and eighty-five species being there de- 

 scribed. It is named in honour of N. I. Neckcr, whose 

 valuable researches and wiitings on Muscology well merit 

 such commemoration. 



Generic CMrader.- — Seta lateral. Peristome double; the 

 outer of sixteen teeth, the inner of sixteen free cilia, or con- 

 nected only at the very base by a short membrane. Calyptra 

 dimidiate (mitriform in iV. peitnuUi). 



1. Neckera pumila, Hedw. [Small Neckera.) Leaves 

 bifariouSj ovato-acuminate, shghtly concave^ their margins 

 recurved ; seta scarcely longer than the pericha3tial leaves ; 

 capsule oblongo-ovate. — Enril. Fl.j). 71 ; 3Il'lL Sijn. pt. 2. 

 J). 56. 



On trees in the woods of Sussex and Hampshire, Cheshire 

 and North Wales ; at Inverary and Cleish, and in various 

 places near the coasts of Wigton and Dumfries, in Scotland. 

 Fr. Summer. This is the smallest of the British species, 

 yet very neat and distinct from most of its congeners, if we 

 except a common species of llypimm {11. complanatim), 

 growing in similar localities. It also is now classed by 

 Milller as a Neckera. 



2. Neckera pennata, Hedw. {Feathered Neckera.) 

 Leaves bifarious, ovato-lanceolate, acuminate, plane ; capsule 



