GQ ME. W, MITTEN ON THE MOSSES OF 



Plants very minute, brownish, considerably snuiller than JB. brevipes. 

 Leaves, when dry, appressed. In appearance, it resembles the smallest 

 states of Pleuridium nitidum. 



3. Leptotrichitm, Rampe. 



L. PR^ALTUM {Mitten). Dioicum, dense csespitosum, robustum, caule 

 elato subsimplici radiculis fuscis albidisve tomentoso, foliis patulis 

 siccitate incurvis recurvisve subcrispatis e basi ovali sensira ad apicem 

 angustatis lanceolatis concavis nervo lato sed tenui partem lanceo- 

 latam fere totam occupante, margine superne minute subserrulato, 

 cellulis inferioribus oblongis ovoideis in rotundatas transeuntibus ala- 

 ribus nuUis, perichsetialibus eonvolutis vaginatisque externis acumi- 

 natis internis subito in acumen setaceum contractis, theca in pedun- 

 culo elongato flavo cylindrica erecta, operculo subulato aequilongo 

 subrecto, peristomio parvo dentibus rubris dimidio superiore irregu- 

 lar! modo bi- trifidis annulo angusto, flore masculo parvo in caule gra- 

 cillimo innovante e tomento in axillis foliorum plantae fertilis oriente. 

 Hah. Magellan, in woods, Sandy Point, Lechler, 1022. 



In size and appearance not unlike Dicranum Drummondii, B. & S., 

 but in the structure of its leaves closely allied to those species of Lepto- 

 trichum in which the nerve occupies nearly the whole of the upper por- 

 tion of the leaf. 



L. AUSTRALE (Mitten). Monoicum ! caule elongato ramoso caespitoso, 

 foliis erecto -patentibus elongato-ovalibus ellipticisve, cellulis elon- 

 gatis areolatis, nervo in subulam setaceam apice parce denticulatam 

 longe excurrente, perichaetialibus elongatis eonvolutis apice abruptis 

 nervo longo capillar! excurrente, theca in pedunculo circiter semi- 

 unciali pallide fusco ovali erecta fusca, flore masculo in ramo ex infe- 

 riori parte caulis fertili egrediente terminali. — Lophiodon strictus. 

 Hook. fil. et Wils. in Fl. Antarct. Crypt, p. 18. t. lix. f. 2. Didymodon 

 longifolius, var. 3. penicillatus, eorund. I. c. p. 102. D. longifolins 

 et Distichium capillaceum in Flora Novae Zelandise enumerati etiam 

 huic speciei pertinent. 

 Hah. Cheshunt, Tasmania, Mr. Archer-, New Zealand, Dr. Lyall ; 

 Falkland, Lord Auckland's and Campbell's Islands, Dr. J. D. 

 Hooker. 



This most distinct moss has been wrongly described with dioicous 

 inflorescence and striated leaves. In the specimens collected by Mr. 

 Archer the stems are four inches high, but the seta is not longer than in 

 the shorter states of the plant. The capsules in all the specimens are 

 too old to aff'ord an idea of the perfect peristome ; but in every other 

 particular the structure is similar to that observable in the species of 

 Leptotrichum, and not at all difi^erent from that of Weissia strict a, Hook, 

 fil. et Wils. Flora Antarct. Crypt, y). 98, t, clii, f. 4, which is also refer- 

 able to the same genus. 



