1722 CRYPTOGAMIA. MUSCI. 1919. r 7 2o. 



* cuveifolia. Stem very fhort, {lightly branched: leaves ovate-fpatu- 



late, pointed, reticulate, pellucid, fpread : capfule cylindrical : 

 lid conic. DHL t. 45./. ' 5- 



* ericetcrum. Branched: leaves linear-lanceolate, acute, twifted 



-when dry; upper-ones ftellate : capfule ovate-oblong. 

 DHL t. 45./ 13. 



* tortuofa. Branched : leaves fubulate, fpread, twitted when dry 5 



caplule ovate-oblong : lid conic, erect. Dill. t. 48./. 40. 



* brevifolia. Branched : leaves ovate-lanceolate, carinate, revoiute : 



capfule oblong, lateral. DHL t. 47./. 39. 



* barbata. Branched at the bafe : leaves oblong-lanceolate, fpread, a 



\ little revolute : capfule ovate, lateral. Curt. Lond. 4. /. 65. 



* imberhis. Branched ; leaves linear, fpread, ovate at the bafe : cap- 



fule elliptic oblong, nearly terminal : lid fubulate, curved. 

 Dill.t. 48 ./. 46. 



* triflata. Branched: leaves oblong, obtufe with a point, curled 



when dry ; capfule cylindrical ; lid fubulate, curved. 

 Dicls* t 11. /. 7. 



1920. POLYTRICHUM. Capfule oblong or quadrangular* 

 fringe limple, of 32 or 64 mor: incurved teeth, connected 

 at top by a flat membrane : veil hairy, often double. 



A: Stefnlefs or nearly fo. 



tenue. Leaves lanceolate, pointed, appreiied, entire : capfule turbi- 

 nate, erect. Dill. t. 55. /. 12. 



# fubrotundutn. Leaves lanceolate, obtufe, entire, rigid; capfule 

 cylindrical, erect: lid conic. DHL t. 55./- AG. 



* nanunu Leaves linear-lanceolate, rather obtufe, entire, rigid ; 



capfule turbinate, drooping : peduncle flexuous. 

 DHL /. 55. / H-L. 



B- Stemjiniple. 



* aloides. Leaves linear-lanceolate, rather obtufe, ferrate at top : 



capfule cylindrical, oblique. DHL t 55./. 7. 



sonvolutum. Leaves linear, involute, ferrate at top, twifted when 

 dry : capfule cylindrical, nearly erect. Linn. Mufc. t.'l.f 3. 



Magellanicum. Leaves linear-lanceolate* acute, tooth-ferrate : cap- 

 fule oblong cylindrical, nearly erect : veil fimple. 

 Linn. Trans* 4. /. 6 /. J. 



* attenuatum. Leaves linear-lanceolate, acute, ferrate, fpread : 



capfule fquare, drooping, contracted at the bafe. 

 Eng_. Bot. /. 1198. 

 ■ gracile. Leaves linear-lanceolate, acute, ferrate, fpread: capfule 

 obovate, a little angular, oblique, contracted at the bafe. 

 Ltvn^Trans. 4 /. 6./. 3. 



