SUPPLEMENT. 



POLYTRICHACE^. 



2'. CATHARINEA HAUSKNECHTII {Jtw. Milde) Broth. 



Paroicous and synoicous ; resembling C. undulata, but more slender; 

 leaves more obtuse, capsules narrower, 2 — 5 in one pericliaetium. 

 (T. LXXXIV, A.) 



SvN. — Atrichum Haiistiicchtii JuR. Milde Verh. zool.-bot. Gesells. Wien 1870, p. 598. 



Catharinea Hauskncchtii Brotherus Etud. sur la distrib. des mouss. au Caucase 4 (18S4 

 Hagen in Rev, bryol. i8gi, p. 3. Limpr. in D. kr. fl. Laubm. ii, 595 (1894). 



Catharinea anomala Bryhn in Bot. Not. 1886, p. 157. Lindb. Arnell in Kong, svensk. 

 vetens. Akad. handl. xxiii, 11 (1890). 



Catharinea lateralis Vaiz. Ann. Bot. ii, 69 (1888). 



Atrichu.n fertile Nawaschin in Hedwigia 1889, p. 359. 



Paroicous or polyoicous ; like C. undulata, but more slender and in 

 looser tufts ; the leaves more shortly acuminate and rather obtuse, 

 lower distant, small and Ungulate, upper suddenly larger, patent, the 

 teeth at back smaller. At the centre of the terminal bud stand 

 antheridia and bracts, and a row of archegonia encircle them, in others 

 the two sets of organs are within separate bracts, and occasionally they 

 are on separate plants. Fruit aggregated, 2 — 6 in the same coma, 

 rarely solitary, seta straw-coloured, flexuose, caps, narrowly cylindric, 

 straight or slightly curved, sub-erect, purplish becoming yellow-brown 

 by age, lid purple with a subulate beak, nearly as long as capsule ; 

 peristome as in C. undulata. 



Hab. — Damp shady banks, rare. Fr. lo — 12. 



On clay banks under beech trees near Broxbourne, Herts. (Vaizcy 1886) ! ! 



This plant is found in Siberia, Finland, South Norway, North Hungary 

 and in the Bavarian alps, but only sparingly, and it has probably not been 

 distinguished from the common species. 



DITEICHUM ZONATUM [Brid.) Limpr. 



Limpricht in his admirable " Laubmoose" i, 495, points out that this moss 

 is distinct from D. homomallum and also from D. nivale, and is only known in 



