Plychantfim. fhanz stepham. species hepaticarum (Vol. IV, 1912).. 
16. Ptychanthus Lorianus. St. n. sp. 
Sterilis inagna rigida, pallide flavicans, in cortice prostrata vel pen- 
dula. Caulis ad 12 cm. longus, regiilariter remoteque pinnatus, pinnis 
ad 3 cin. longis, simplicibus, superis paucipinnatus, Folia caulina 
parum imbi icata, subrecte patula, pamm concava margine postico 
anguste recurvo, in plano ovato-oblonga (1,86 mm. longa, 1,2 mm. 
lata) apice late rotundata, apiculata, sub apice paucidentata, basi ad 
inediuin inserta, basi antica rotundato valideque appendiculata. Cel- 
Inlse superae 18 X 36 ^ trigonis parvis, medianis nodulosis, basales 
• 8Xo4 (j, Interrupte trabeculatis. Lobulus oblongus, parvus, folio sep- 
tupio brevior, apice emarginatus, anguJo spina longa stricta armato. 
Amphigastria caulina maxiraa, subrotunda (0,93 inm. longa, 0,8 mm. 
lata) basi cordatim appendiculata, appendiculis in plano liberis rotun- 
datis conniventibus, in situ canaliculatis, apice rotundata valide 
dentata. 
Hab. Nova Guinea, Moresby Bay. 
17. Ptychanthus molucensis Sande, An». Mus. Lugd. 
Bat. 
Monoica, maxima, gracilis, pallide flavo-rufescens, dense depresso- 
caespitans maxiraeque intricata. Caulis ad 18 cin. longus, regularitar 
raniosus, ramis ad 9 cra. longis, approximatis, regiilariter breviterque 
pinnulatis. Folia caulina imbricata oblique patula, concava, margine 
postico arcte incurvo, in plano ovato-oblonga (3 mra. longa, 1,8 mm. 
lata), acuminata acuta, sub apice grosse irregulariterque dentata, brevi 
basi inserta, basi antica grosse rotundato-appendiculata. Cellulx superae 
18x27 (X trigonis magnis, saepe confluentibus, medianis nodulosis, 
basales 18x45 parietibus trabeculatis. Lobulus exiguus, subrectan- 
^"latus, parum longior quam latus, apice emarginatus, angulo spina 
'onga valida armato. Amphigastria caulina magna, sinuatim inserta, in 
Plano triangulato-rotundata, apice quam basis duplo angustiora, infeme 
nutla, superne dentata, apice breviter emarginato-biloba, lobis irregu- 
lariter grosseque dentatis et duplicatim dentatis, basi optime grosseque 
«ordata, alis late rotundatis, ex parte liberis. Perianthia angusta, lon- 
gissinie exserta, triplo longiora quam lata, decemplicata, plicis inflatis, 
rostro valido. Folia floralia anguste lanceolata, perianthio duplo bre- 
viora, longe cuspidata, integerrima vel sub apice paucidentata ; lolmio 
^ plicara angustam reducto ; ala carinalis magna obovata. Amphigas- 
^numflomU foliisfloralibusaequilongum, ligulatum, plus duplolongius 
^am latum, apice breviter emarginato bilobatum, margiiiibus ubique 
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