^22 SPIIAGNACE.E. V"I/"""'- 



2. S. compactum, V>v'u]. Stems more or less densely cespitose, 2 to 5 inches 

 high, dichotuiuourily ilivided ; branches 2 or 3 in a fascicle, much crowded, short, 

 erect or spreading ; cortical utricles without striie : cauline leaves minute, ovate, 

 reilexed ; branch leaves erect-spreading, ovate-oblong, concave with inllexed margin, 

 obtusely toothed and usually cucuUate at the apex ; ducts compressed and wholly 

 included between the utricles : nionrticious, the male flowers on the penchdous 

 branches : cap.sulo immersed or shortly emergent, truncate-ohlung. — Schwaegr. 

 Sujjpl. t. 3; Wilson, 1. c, t. Gl. S. rlyiduiii, tSchimp. 1. c, t. 18. 



Yoseniite Valley in tliu si.ray of Venial Falls, ami on IMount Hana {Uohindn-) ; Alleghany 

 Mountains ; Euioi)e. 



3. S. moUuSCUm, Bruch. Stems delicate, very fragile, 2 to G inches high, 

 very softly cesi)ituse, simple or biparted ; branches 1 to 3, short, slender, all spreading 

 or 1 or 2 retlexed : stem leaves erect-sjjreading or reilexed, ruundish ovate with in- 

 curved margin ; branch leaves loosely imbricated or occasionally secund, elliptical or 

 ovate-oblong, very concave, incurved above ; ducts comj)resse(l-triangular, the lower 

 surfixce free : dioecious, the male plants usually in distinct tufts : capsule small, red- 

 dish, more or less exserted. — Wilson, 1. c, t. GO; Schimp. 1. c, t. 21 ; Berkeley, 

 1. c., fig. 3. 



Cascade Mountiiins, Oregon (Xcwhcrrij) ; New Jersey ; Euro])e. 



* * Leaves acute or acuminate, ovate or ovate-lanceolate. 

 •»- Leaves erect-spreadiiKj. 



4. S. acutifolium, l^hrh. Stems slender, 5 to 10 inches long, loosely cespitose, 

 usually more or less tinged with purple ; branches in numerous fascicles of 3 to 5, 

 slender, attenuate : cauline leaves acuminate-ovate, mostly erect, concave, erose at 

 the apex ; branch leaves imbricate, ovate- to long-lanceolate, very concave, erose at 

 the slightly truncate apex ; ducts triangular, the \\\^\^QV side free : flowers mona^cious : 

 capsule long-i)edicelled. — Schwaegr. Suppl. t. 5 ; AVilson, 1. c, t. 4 ; Schimj). L c, 

 t. 13, 14; Berkeley, 1. c, fig. 4. *S'. cajn/ll/olinm, lledw. ; Kngl. Jlot. t. 140G. 



Upper Tuolunnie Canon and on Mount Dana (Bulandcr) ; on the Coluniliia Kiver (lycivbcrrij) ; 

 frequent in the .Vtlantic States and Eun)]ie. 



5. S. fimbriatum, Wilson. IMuch like the last, but more slender and delicate, 

 green, never puridisli, often a foot long or more ; branches very attenuate, arcuately 

 decurved : cauline leaves closely appressed, obovatespatulate, very obtuse, laciniately 

 fringed ; branch leaves acuminate, entire at the apex ; pericluctial leaves large, 

 obovate, repand, and convolute : pedicel .shorter. — Biyol. Brit. t. GO ; Schimp. 1. c, 

 t. 15. 



On Mount Brewer, nt 11,000 feet altitude (llolandrr); British Aineiiea (Dnnnmoud) ; northern 

 Atlantic States and Europe. 



6. S. Mendocinum, Sulliv. & Les(i. Stems 7 to 10 inches long, in loose 

 floating mats, reddish yellow above, i)ale yellowish below ; branches in fascicles of 

 3 to 5, long, flexuose and attenuate, spreading : cauline leaves oblong-ovate, obtusish, 

 suberect or recurved-spreading ; branch leaves loosely ind)ricate, oblongdanceolate, 

 acuminate, concave, convolute and toothed at the apex; ducts narrowly triangular, 

 the outer side free : fruit unknown. — Sulliv. Icon. j\l\i.sc. Sujipl. 12, t. 3. S. aiiri- 

 cidatum, Lesq. Mem. Clalif. Acad. i. 4, not Schimp. ; Sulliv. k L(!S(]. Muse. Am.-lior. 

 Exsicc. 2 ed. n. 23. 



In great bogs near King's lliver, at 8-0,000 feet altitude {Bmrrr); swaniiis near Mendocino 

 City, Bolaiukr. 



-I- -^ Leaves more or less squarrose or subsecund. 



7. S. subsecundum, Nees and Hornsch. Stems 3 to G inches long or more, 

 in yellowish green or often brownish variegated mats; cortex simple ; brancluis 2 

 or 3 together, attentiate or llagelliform, recurved : caidine leaves small, broadly 



