241 
A NEW MOSS FROM AFGHANISTAN. 
By Ernest 8. Satmon. 
(Puate 397.) 
Tortula (Preryconsurum) media, sp.noy. Autoica, humilis, 
cespitosa, terricola. Caulis brevis (2 mill.), simplex vel ramulis 
fertilibus brevibus di-trichotome ramosus. Folia walked Boe 2 
imbricata, superiora erecta, inferiora Cee valde ¢ va, mar- 
gine erecto integro sepe apicem versus ob par ‘akea ‘ransversos 
prominentes asperulo, nervo basi Pbk stipes valido primum folli- 
culoso demum 2-4 lamellas ferente, apice in pilum ae minus 
longum (interdum obsoletum) exeunte, pilo subdenticulato, ee 
vel inferne rubro-ferrugineo, cellulis levibus, inferioribus hyalini 
pte Penis ee (45-70 x 20-25 ), superioribus cite Acro 
sili: 1 mill. fine ‘oblonga, gymnostoma, seta erecta crassa 
in r 
phyains sitatas 
ria. Apis (Dr. Aitchison (1884-5), no. 183 in Herb. 
Tater subsessilem (Brid.) Mitt. et 7’. pusillam (Hedw.) Mitt. 
ponenda ; a priore capsula emergente oblonga nec subglobosa, a 
posteriore et minutie et floris ahaa positione, ab utraque folii 
oe superioribus majoribus diffe 
media is perhaps most nearly allied, structurally, to 7’. pusilla 
var. duced (Nees & Hornsch.) Braithw. 7. pusilla var. Perraldieri 
esch n. 
yg 
follows (Cat. des Mousses observ. en Algérie, p. 9 (1882) ):— 
trees trés conserves arrondies au sommet, 4 marge crénelée- 
dentée 4 la naissance du poil denticulé qui déborde assez longue- 
: 887, 
somewhat intermediate between "Tortula i as Fa r eae. 
and must be referred to the genus Tortula. It resembles the former 
as the author says, is “trés voisin du P. cavifolia [T. pus ane 
dont il différe surtout par le poil denticulé qui termine les feuilles 
par les ea plus eons légérement dentées - wage met.” 
ers conspicuously from 7’. chot 1 habit, the . 
copeal emergent, not pss eter | by the vieichasial joan shape 
&e. 
_ Journat or Botany.—Vow. 87. [Junz, 1899.] R 
