﻿250 Grout : A Revision of the 



and slenderly acuminate, ecostate, sharply dentate -serrate. Sporo- 

 phyte 2-2.5 cm - high; seta red-brown, twisted to the right, very 

 rough with high blunt papillae ; capsule lighter colored, horizontal 

 to slightly drooping, unsymmetric, oblong-ovoid, 2-2.5 mm. long, 



2 



dry 



late ; operculum a little shorter than urn ; annulus present, well 

 developed, of at least two rows of cells, easily detachable ; seg- 

 ments as long as the teeth, more or less split between the articu- 

 lation ; cilia 2-3, well developed; nodose to short-appendiculate ; 

 spores 15-20/;, nearly smooth, maturing in winter. 



On the ground, decaying logs and base of trees. California, 

 Oregon, Washington, Vancouver Id., Idaho, British Columbia. 



Illustrations : Sulliv. Bot. Wilkes Expd. Muse. 16.pl. 13. B. 



Exsiccate Sull. & Lesq. Muse. Bor.-Am. (Ed. 2) 434 5 

 Macoun, Can. Muse. 298 ; Ren. & Card., Muse. & Am. Sept. 

 Exsic. 120. 



A beautiful species, closely allied to K Stokesu ; easily distin- 

 , guished from that and other species by its large size and regularly 

 pinnate stems. 



8. Eurhvxchium mvosuroides (Dill. L.) Schimp. Syn. Ed. 1: 



549- i860. 



Hypnum myosuroides tenus. capsulis nata, 



- P l - 4 T >f- 5 1 - 1 74 1. and Herb. 



Hypnum myosuroides L. Sp. PI. 11 30. 



Isothccium myosuroides Brid. Bryol. Univ. 2 : 369. 1827. 



Rhynchostegium myosuroides DeNot. Epil. 79. 1869. 



1753- 



•tophj 

 imary 



fc 11L s 



to brownish green 



25 mm. long, 



suberect, dendroid and often stoloniferous, frequently becoming 



/ 



liferum; branching subpinnate to fasciculate; branches often 

 again divided ; ultimate branchlets 5-8 mm. long, sometimes 

 flagelliform and much lengthened; branch leaves' pluriseriaU 

 often somewhat secund, ovate-lanceolate to oblong-lanceolate, 

 1-1.3X 0.25-0.35 mm., acute to-long acuminate, serrulate at apex, 

 sometimes papillose at apex on the back by the thickening of the 

 angles of the cell walls ; costa extending to the middle or beyond, 

 sometimes forking ; median leaf-cells linear, 5-7 : 1 ; alar cell 

 round-quadrate, incrassate ; stem leaves triangular-ovate, long- 

 acuminate, less strongly serrate, basal cells often thick-walled 

 and brown ; leaves of primary stems very small, distant, squarrose ; 



