362 
H o s s e u s , Bot. Ergebnisse meiner Expedition nach Siam. 
obtusiusculis; folia c aulin a subereeta, concava, 
elliptico-oblonga, raptim in pilum elongatum, intagrum 
attenuata, marginibus erectis, integerrimis, enervia, cellulis 
elongatis, angustis, laevissimis, basilaribus aureis, alaribus 
pluribus, magnis, oblongo-vesiculosis, fuscis; folia ra- 
m e a subsensim acuminata vel subulata, acumine semi- 
torto, marginibus superne serrulatis. Caetara ignota. 
Species a congeneribus asiaticis foliorum forma prima fronte 
dignoscenda, A. extenuato (Brid.) Mitt. habitu similis. 
Brachymenium nepalense Hook.; Cleistostoma ambiguum Bd.; 
Floribundaria floribunda (D. M.); Floribundaria sparsa 
(Mitt.) Broth.; Funaria calvescens Schw.; Leucobryum 
javanse Brid.; Macromitrium falcatum Hook, et Gre.; 
Octoblepharum albidum L.; x ) Orthomnium trichomitrium 
Wils.; Papillaria fuscescens Hook.; Pilopogon BlumiiD. M. 
* Sematophyllum latifolium Broth. n. sp. 
Dioi cum; tenellum, caespitosum, caespitibus densis, 
viridibus, nitidis; c a u 1 i s elongatus, repens, densiuscule 
foliosus, ob folia apicalia conorluta pungens, dense pinnatim 
ramosus, ramis erectis, vix ultra 3 mm longis, dense 
foliosis, obtusis; folia erecto-patentias concava, ovata 
vel ovato-ovalia, raptim in cuspidem brevem attenuata, 
marginibus erectis, integerrimis, enervia, cellulis breviter 
linearibus, vix incrassatis, basilaribus laxioribus, aureis, 
alaribus magnis, oblongo-vesiculosis, fusco-aureis vel hyali- 
nis, omnibus laevissimis. Caetara ignota. 
Species valde peculiaris, minutie foliorumque forma facil- 
lime dignoscenda. 
* Trichostomum (Oxystagus) siamense Broth. n. sp. 
D i o i c u m; tenellum, caespitosum, caespitibus laxiusculis, 
viridibus, opacis; c a u 1 i s erectus, vix ultra 7 mm longus, 
basi fusco-radiculosus, densiuscule foliosus, simplex; 
folia fragilia, sicca circinnato-incurva, humida erecto- 
patentia, carinato-concava, e basi semivaginante, oblonga, 
albida, nitente sensim plus minusve elongate et anguste 
linearia, breviter acuminata, acuta, marginibus, erectis, 
integerrimis, nervo crassiusculo, rufescente, continuo vel 
subcontinus, dorso laevi, cellulis minutis, quadratis, 
chlorophyllosis, verrucosis, basilaribus elongate rectangu- 
laribus, teneris, hyalinis, marginalibus multo angustioribus, 
limbum c. 4 seriatum efformantibus. Caetara ignota. 
Species T. cylindrico ((Bruch) C. Müll, valde affinis, sed 
foliis basi limbatis jam dignoscenda. 
x ) Außerdem wurde Octoblepharum albidum (L.) in dem Savannenwald 
von Wang Djao von mir gesammelt. 
