musci boreali-americani. 71 



422. Hypnum Alleghaniense. 

 C. Mull. — Sulliv. Icon. Musc. p. 161, t. 103. 

 Hab. ad rupes saxaque irrigua, in umbrosis montanis. 



423. Hypnum Bigelowii. 



Sulliv. in Bot. Pacif. R. R. Survey (Whipple) , p . 189, 

 t. 8. 



Hab. ad rupes, in praeruptis humidis Califoriiiae (Big-e- 

 low, Bolandef). 



424. Hypnum myosuroides. 



Linn. — Isothecium myosuroides, Bryol. Europ.Isothec. 

 Monogr. p. 7, t. 2. 



Hab. in sylvis montanis ad rupes. 



425. Hypnum stoloniferum. 

 Hook. Musc. Exot. t. 74. 



Hab. in truncis sylvarum Californiae (Bolander comm.) . 



426. Hypnum Brewerianum. 



Lesqx. in Trans. Amer. Phil. Soc. 13, p. 12. 



Hab. in rupibus graniticis planitiei Californiae (Brewer, 

 Bolander). 



427. Hypnum Brewerianum, var. 



Caespitibus laxioribus sordide luteis, ramis elongatis 

 quandoque flagelliferis; foliis perichaetialibus breviiis 

 acuminatis dentatis ; capsula longiore subcernua ; 



