MUsci PRETERITI. 11 
Thore’s plant, from ‘Uza, Depart. des Landes,” gathered by 
Endress in 1831, which is quite different. fescomes r placed it under 
Ps ones (our heterophyllus), which is also wrong. 
. lanceolatus of Reichenbach (FI. Gans exsic. ae 2401 der is “1 
salivifolius, Wolfg., P. Lonchites, Tuckerm., I belie P.p 
mitanus, Bi s represented by No. 188 of Hicks an Pavillon's 8 
iv., &@ 
Pl. Sicule,” cn uch like our plant, but has different stipules ; 
and Parlatore “a os that name is “puro sinonimo dei P. 
pusillum” (Fl. Ital. iii. 638). My specimen of P. panormitanus is 
from one of the stations named by Gussone. Gussone has described 
this plant in his ‘ Fl. Sicule Synopsis,’ i. 207. 
I have very little zo add to my las tion of P. lanceolatus. 
The upper floating leaves are oo te, and differ very little from 
the alternate submer aed leaves. Their stalks are very short, and 
they have more of the shaihiies network than the lower leaves. 
The lower stipules are almost subulate ; the uppermost are much 
_—— with two strong dorsal elevated ribs. In other respects 
8 t, 
s joins our P. me to his P P. ni er 
, optime quadrat;” an y the lassen his 
siccitate carinatis.” I Ide not seen a specimen or figure of P. 
nigrescens. It was published with that fe e in 1889 ; Smith’s P. 
lanceolatus appeared in Eng. Bot. in 1809. 
MUSCI PRATERITI: 
SIVE DE MusciIs NONNULLIS ADHUC NEGLECTIS, PRETERVISIS 
VEL CONFUSIS, NUNC RECOGNITIS. 
Paes Ricarpo Spruce. 
(Continued from p. 362.) 
6. OrTHOTRICHUM NIVALE. 
Spruce, Catal. Muse. — et Andin., p. 8, no. 127 (a. 1867). 
> etait se pulvin m fulvo-viride, inferne fnscescens, facie 
O. rupestris vel fere O. saasdtans Caules 1}-2-pollicares, erecti, 
iteratim ando-proliferi. Folia sat valida confertiuscula, 
ne oo vel patentia, stricta recurvulave, siccando appressa, 
anguste ovato-lanceolata (4 )—quasi gulata— 
ba b 
utraque facie asperula, carinata, supra medium canaliculata, 
margine toto fere revoluto, costa intra apicem evanida; cellule 
superiores medie#que minute rotundo-hexagone pachydermes alte 
papillose, plurime inferiores se lineari- rectangule sub- 
Eee callie Flores mon @ terminales, innovatione 
mox superveniente quasi- Iecanles. “Bracte suber ects, foliis 
