289 
Martinellia tundrae Arnell, nova species. 
Von H. W. Arnell. 
Sterilis , decumbens, intricate cæspitosa, obscure 
viridis — lutee ferruginea, circiter 2,5 cm. longa et fo- 
liata 2 mm. lata. Wiizoideae crebrae modo in superiore 
et juniore parte caulis praesentes, hyalinae, glabrae, 
longae, hand ramosae, unicellular es. Caulis simplex, 
vetustus niger, inferne nudus et modo fragmenta folio- 
rum putrefactorum ostendens. Folia aequimagna, vix 
decurrentia, vulgo sat remota, ad 2 / 3 vel magis bifida; 
commissura brevis, plus minusve arcuata, interdum 
recta, angulum 45° — 90° ad caulem praebens, saepe sed 
non semper plus minusve distincte alata, ala 1 — 3 cellu- 
las lata; lobus posticus concavus, lobo antico duplo 
Botaniska Notiscr 1921. 
