250 S. O. LINDBERG. 



var. ß. densa. 



Syn. Desmatodon rupestris Funck MSS. Brid. Bryol. univ. 



I, Suppl. p. 822 (1827). 



Obs. Peristomium et operculum obliqua, semitorta. Eandem 

 rationem ad proxirnas habet, quam T. aloides in sua sectione 

 genens. 



40. Tortula imberbis (Huds.). 



Syn. Bryum tenue imberbe et pallidum, foliis crebrioribus Dill. 

 Hist. musc. p. 382, tab. 48, fig, 46 (1741) et herb, ex Arn. 

 et Hook. 1. c. 



Br. imberbe Huds. Fl. angl. I, ed, p. 409 (1762). L. Mänt. 



II, p. 309 (1771). G. H. Web. Spicil. Fl. goetting. p. 103 (1778). 

 Sw. Metliod. p. 29 (1781). Ehrh. Beitr. I, p. 115 (1787). 



Br. fallax Dicks. Plant, crypt. Brit. fasc. III, p. 5 (1793). 



Barbula fallax Hedw. Stirp. crypt. I, p. 62, tab. 24 (1787). 



Mollia fallax Schrank, Bayersch. Fl. II, p. 458 (1789). 



T. fallax Schrad. Syst. Samml. krypt. Gew. I, n. 53 (1796) 

 et in Usteri, Neu. Ann. XIV, p. 109 (1796). Sw. Dispos. 

 musc. Suec. p. 40 (1799). Roth, Tent. Fl. gerrn. III, P. I, p. 

 212 (1800). 



T. imberbis Sm. Fl. brit. III, p. 1261 e synon. (1804). 



41. Tortula recurvifolia (Wils.). 



Syn. Schistidium? recurvifolium Wils. MSS. Spruc. in Ann. 

 Mag. nat. Hist. IL Ser., III, p. 491 (1849). 



Grimmia recurvifolia Wils. MSS. 



T. fallax var. å. recurvifolia Wils. Bryol. brit. p. 124 (1855). 



T. recurvifolia Berk. Handb. brit. Möss. p. 258 (1863). 



Barbula recurvifolia Schimp. Coroll. Suppl. p. 141 (1855) et 

 Synops. p. 170 (1860). Mitt. Musc. Ind. orient. p. 34 p. p. 

 (1859). 



42. Tortula gigantea (Schimp.). 



Syn. T. vinealis var. nivalis Spruc. in Ann. Mag. nat. Hist. 

 II. Ser., III, p. 378 (1849). 



Barbula recurvifolia Mitt. Musc. Ind. orient. p. 34 p. p. 

 (1859). 



B. squarrosa (baud Brid.) Lorentz, Beitr. p. 13 (1860). 



B. gigantea Hopp. MSS. 



B. grandis Br. et Sch. MSS. 



B. robusta (baud Brid.) Sendtn. MSS. 



B. ruralis var. Schimp. MSS. 



Grimmia gigantea Schimp. Synops. p. 695 (1860). 



Didymodon rubellus var. giganteus Schimp. MSS. 



Dicranum giganteum C. Müll. MSS. 



Obs. Similitudinem quandam habet cum Leptodontio aggregato 

 C. Müll, in Mohl et Schlecht. Bot. Zeit. V, p. 829: 1847 

 (Trichostomum aggregatum C. Müll. Synops. I, p. 580: 1849; 

 Doz. et Molk. Bryol. javan. I, p. 98, tab. 80: 1859), cujus 



