288 Howe: Nores oN AMERICAN HEPATICAE 
added to its distinguishing characters. All the perianths seen are 
on very short postical branches. 
III, ARACHNIOPSIS 
Arachniopsis diacantha (Mont.) | : 
_ Jungermannia diacantha Mont. Ann. Sci. Nat. IV. 5: 349: 
1856. 
Arachniopsis coactilis capillacea Spruce, On Cephalozia, 85. 
1882; Trans. and Proc. Bot. Soc. [Edinb.] 15: 356. 1885. 
Leaves mostly rigid, composed of 4-6 cells, these 4-7 times 
as long as broad. 
Peru: Weddell, Spruce. 
Jungermannia diacantha Mont. is represented in the Montagne 
herbarium, now preserved in the Muséum d’Histoire Naturelle of 
Paris, only by two small sterile fragments fastened to pieces of 
mica. This original material, which we have seen through the 
courtesy of Mons. Hariot, agrees perfectly, so far as it goes, with 
the specimen from Mt. Campana, Peruvian Andes, distributed by 
Spruce as Arachniopsis capillacea in his ‘ Hepaticae Spruceanae: 
Amazonicae et Andinae.” Montagne’s description of the leaves 
as ‘“‘spiraliter 5/1 circa caulem dispositis’’ was evidently an error, 
due, it may be, to a torsion of the stem. 
Arachniopsis confervifolia (Gottsche). 
Jungermannia confervifolia Gottsche, Hepaticae Cubenses 
Wrightianae. 
Cephalozia confervifolia Aust. Bull. Torrey Club, 6: 307 
1879. 
Arachniopsis coactilis Spruce, On Cephalozia, 85. 1882. Trans. 
and Proc. Bot. Soc. [Edinb.] 15: 355. p/. 737. 1885. Exclud- 
ing var. capillacea. 
Leaves often flaccid, composed of 6-14 cells, these 2-3 times 
as long as broad. 
Cosa: Wright; Sourm America: on the tributaries of the 
Amazon, Spruce. We have little hesitancy in considering Arache 
niopsis coactilis Spruce a synonym of the Cuban /w ngermannia con 
JServifolia Gottsche. The latter is more flaccid, showing 4 relation 
to the South American specimens somewhat analogous to that 
