104 CRYPTOGAMIA ANTARCTICA. [ Fuegia, the 
In our specimens the inflorescence is variable, even on the same stem ; in some the antheridia and paraphyses 
are abundant, in others entirely wanting. 
4. Tortura /evipila, (Barbula), Bruch et Schimp. l: c. p. 40. t. 25. 
Var. 1. foliis erecto-patentibus dorso margineque papillosis, florescentia monoica (interdum herma- 
phrodita). 
Var. 2.: foliis ovalibus suberectis dorso levibus. 
Var. 3. caule gracili ramoso, foliis brevioribus suberectis elliptico-oblongis apice pilo brevi instructis 
margine subincurvis. 
Var. 4. foliis obtusis areolis majusculis subrotundis. 
Haz. Falkland Islands, vars. 1 and 2, on sandy soil near the sea; vars. 3 and 4, Cockburn Island, 
lat. 64? S., long. 57? W., both barren. 
5. Tortura gracilis. Barbula gracilis, Bruch et Schimp. L.e. p. 22. t.8. (Tas. CLIII. fig. IIT.) 
Haz. Cockburn Island, (barren). 
. Our specimens differ from authentic examples in having the leaves more crowded, more pellucid at the base 
and less acuminated ; the nerve also is wider. 
Prare CLIII. Fig. III.—1, tuft of the natural size; 2 and 3, leaves; 4, areolee :—magnified. 
6. Tortura hyperborea, Mont. in Voy. au Pole Sud, Bot. Crypt. p. 302. t. 20. f. 4. Syntrichia hyper- 
borea, Brid. Bryol. Univ. vol. i. p. 583. S. mucronifolia, Br. in Parry's 1st Voy. App. p.198. excl. synonym. 
Haz. Strait of Magalhaens; M. Jacquinot. 
18. POLYTRICHUM, Zinn. 
1. PoLyrricHum compressum, Hook. fil. et Wils.; caule subsimplici, foliis suberectis subulatis concavis 
subserratis, theca inclinata ovata compressa microstoma, operculo conico-rostrato, calyptra apice subpilosa. 
(Tas. 01,111. fig. IV.) 
Haz. Hermite Island, in various situations, chiefly on wet rocks, from the sea to the tops of the hills, 
rare in fruit. 4777. 6 : 
Dioicum. Caules plus minus dense cæspitosi, vix ramosi, nunc luridi, nunc rufo-ferruginei, subinde luteo- 
virides. Folia erecto-patentia, imbricata, lanceolato-subulata; in caule masculo ovato-lanceolata, breviora ; apice 
incurva, obtusiuscula, concava, mollia, subcarnosa, obscure serrata, nervo angusto haud lamellato instructa, areolis 
minutis subrotundis, opacis; perichætialia longiora, erecta. Seta uncialis, crassa. Thecw inclinata, subinde hori- 
zontalis, ovata, obliqua, compressa, microstoma, lurido-fusca. Columella compressa. Peristomii dentes circiter 32, 
irregulares, albidi. Spore minute, ferrugineæ. . Operculum conico-rostratum, capsula duplo brevius. Calyptra 
apice subpilosa, latere fissa, parvula, fusca. m~an. dee Aa p arre alan. 
Allied to the Icelandic P. Zevigatum, Hook., but abundantly distinctin its compressed theca and narrower leaves. 
PrarE CLIII. Fig. IV.—1, plant of the natural size; 2 and 3, leaves; 4 and 5, thece; 6, calyptra :—all 
magnified. 
2. PoLYTRICHUM juniperinum, Hedw., Sp. Muse. p. 89. t. 28. Hook. et Tayl. Muse. Brit. p. 45. t.10. 
Var. foliis confertis suberectis strictis. 
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