380 BOTANICAL GAZETTE [MAY 
3:124. 1903.—In the note following the description of this 
species, this phrase has been omitted in the printing: “Differs 
from A. Kochi Br. Eur. by its leaves much more shortly and 
less narrowly acuminate and by the short pedicel.” 
Hypnum malacocladum Card & Thér., sp. nova.— Monoicum, 
tenellum, molle, laxiusculum, lutescenti-viride. Caulis filiformis, 
prostratus, denudatus, ramis ascendentibus, circa 1 longis. 
Folia sat remota, mollia, concava, patentia, 0.8-1.1™" longa, 0.4— 
0.5" lata, e basi valde constricta ovata vel oblonga, latissime et 
brevissime acuminata, apice rotundato vel subacuto, marginibus 
planis integris, costa tenui simplici ad medium vel ultra producta, 
interdum superne subfurcata, 35—40m basi crassa, cellulis alari- 
bus rectangulis vel subhexagonis, hyalinis, sed auriculas distinctas 
non efformantibus, mediis sublinearibus, 35-70m longis, 7¢ 
latis, superioribus brevioribus, rhomboidalibus, parietibus crassi- 
oribus. Folia perichaetialia erecta, longius acuminata, costata. 
Capsula in pedicello brevi crassiusculo purpurascente, 8—10™" 
longo, horizontalis vel oblique erecta, brevis, gibbosa, 1-1.5"" 
longa, 0.75™" crassa, operculo convexo-apiculato. Annulus 
simplex, distinctus. Peristomium o.4™" altum, processus in 
carina anguste fissi, superne papillosuli; cilia1—2. Sporae 12 
crassae. Plate XXV. : 
North America: Without locality or name of collector, in herb. L. Debat. 
This species somewhat resembles H. Goulardi Sch., from which it differs 
by its longer leaves with a single long costa. It is also distinguished from 
1. Closteri Aust. (Amblystegium Holzingeri Ren. & Card.) by its greater size 
and longer costa. 
CHARLEVILLE AND LE HAVRE, FRANCE. 
EXPLANATION OF PLATES XVI-XXV. 
Plate XVI.—1. Phascum hyalinotrichum. a, entire plant x 17; 6, lower 
leaf x 26; 4’, 6’, upper leaves X 26; c, basal areolation X 135; 4d, areolation 
in the middle x 135; ¢, areolation in the upper part X 135; / capsule 
unripe X 26; g, calyptra X 26.—2. Pleuridium Bakeri. a, entire plant X17; 
b, b, b, leaves X 26; 4’, perichaetial leaf 26; c, apex of a leaf X go; 4, basal 
areolation X 200; ¢, areolation in the middle X 270; f, capsule with calyptra, 
in moist state X 26; g, capsule in moist state X 26; A, calyptra x 26. 
Plate XVII.—1. Dicranum alatum. a,b, leaves X 13; ¢, part of a leaf 
