182 МВ. М. MITTEN ON THE SPECIES OF 
HYLOCOMIUM, Schimp. 
151. Н. VARIANS, sp. n. Caules depresse czespitosi, pinnati, ramis variis gracilibus 
attenuatis, apicibusve foliis subito duplo majoribus dilatatis. Folia dorso imbricata, 
compressa, levia, lateralia patenti-divergentia, apicibus varie curvatis, late ovata 
acuta, in ramorum cauliumque apicibus ubi majora subcuspidata, minora oblongo- 
ovata ovali-lanceolataque, omnia nervis binis medio evanidis, marginibus minute 
sed argute serrulatis, cellulis anguste oblongis, superioribus spiculis minutis dorso 
prominulis inspersis. 
Kintoki, Hakone, Bisset. 
Caules 3—4 ст. longi, ramis longioribus 1 cm. metientibus. Folia minora 1 mm., 
majora 2 mm. longa, stramineo-viridia, haud nitentia, seniora fulva fuscaque. 
A curious Moss, with compressed foliage of very irregular form, size, and direction, 
unlike any species of Hylocomium except H. triquetrum, which has the same kind of 
spiculate cells on the back of the upper portions of its leaves. 
152. Н. TRIQUETRUM, Schimp.—Hypnum triquetrum, Linn. 
Fragments, Siebold. 
153. Н. BREVIROSTRUM, Schimp.— Hypnum brevirostre, Ehrh. 
Male plant only, “ Challenger’ Exp. 
154. Н. CAVIFOLIUM, Sande-Lacoste in Miq. Ann. Mus. Bot. Lugd. Bat. ii. 373. 
Collected in very small quantity by Testor. A single stem amongst packing material 
sent with Diospyros Kaki. | 
Almost exactly like Н. brevirostre; but without paraphylla, and the leaves quite 
smooth or rarely plicate. 
155. H. cALvEsCENs, Mitt.—Hypnum calvescens, Wils. Bryol. Brit. 887; H. subpin- 
natum, Lindb. 4 
Hakone Pass and Fujisan, with mature fruit in October, Bisset. Recorded also by 
Lindberg and Sande-Lacoste. 
156. Н. squarrosum, Schimp.— Hypnum squarrosum, Linn. 
Sterile, Siebold. 
Н. Flemmingii, Austin in Bull. Torrey Club, у. 24 (Lesq. et James, Manual, 410), is 
correctly placed in this group by Austin, but it is identical with Hypnum robustum, 
Hook. Muse. Exot. 108! | 
157. Н. sPLENDENS, Schimp.— Hypnum parietinum, Thunb. Fl. Japon. 342. 
Gathered sterile by Siebold. 
Н. umbratum, Schimp., also sterile, is mentioned by Sande-Lacoste from Siebold. 
158. H. HIMALAYANUM, Mitt.—Stereodon himalayanum, Mitt. in Journ. Linn. Soc., Bot. 
iii. Suppl. 113. 
^ Kintoki, Bisset. 
.. Fruit of this fine large species is unknown. 
