Ptycfianffuis. franz stepham. species hepaticarum (Vol. IV, 1912).. 



IC). Ptychanthus Lorianus. St. n. sp. 



Stcrilis magna rigida, pallide flavicans, in cortice prostrata vel pen- 

 dula. CauUs ad 12 cni. longus, regulariter reraoteque pinnatus, pinnis 

 ad 3 cm. longis, simplicibus, superis paucipinnatus, Folia caulina 

 parnm iFnlnicata, subrecte patula, parum concava margine postico 

 anguste recurvo, in plano ovato-oblonga (1,86 mra. longa, 1,2 mm, 

 lata ) apice late rotundata, apiculata, sub apice paucidentata, basi ad 

 medium inserta, basi antica rotundato valideque appendiculata. Cel- 

 lulae superae 18 X 36 {x trigonis parvis, medianis nodulosis, basales 

 18X54 "j. interrupte trabeculatis. Lobulus oblongus, parvus, folio sep- 

 tuplo brevior, apice emarginatus, angulo spina longa stricta arraato. 

 Anipfiigastna caulina maxima, subrotunda (0,93 ram. longa, 0,8 mra. 

 lata) basi cordatira appendiculata, appendiculis in plano liberis rotun- 

 datis conniventibus, in situ canaliculatis, apice rotundata valide 

 dentata. 



Hab. Nova Guinea, Moresby Bay. 



17. Ptychanthus molucensis Sande, Ann. Mus. Lugd. 

 Bat. 



Monoica, maxima, gracilis, pallide flavo-rufescens, dense depresso- 

 ciespitans raaxiraeque intricata. Caulis ad 18 cra. longus, regulaiitar 

 ramosus, rarais ad 9 cm. longis, approximatis, regulariter breviterque 

 pinnulatis. Folia caulina imbricata oblique patula, concava, margine 

 postico arcte incurvo, in plano ovato-oblonga (3 mm. longa, 1,8 rara^ 

 lata), acuminata acuta, sub apice grosse irregulariterque dentata, brevi 

 basi inserta, basi autica grosse rotundato-appendiculata. Cellulse superae 

 18x27 fj, trigonis magnis, saepe confluentibus, raedianis nodulosis, 

 basales l^X-io jj. parietibus trabeculatis. Lobulus exiguus, subrectan- 

 gulatus, parum longior quam latus, apice eraarginatus, angulo spina 

 longa valida arraato. Ampfiigastria caulina magna, sinuatim inserta, in 

 plano Inangulato-rotundata, apice quam basis duplo angustiora, inferne 

 nuda, superne dentata, apice breviter emarginato-biloba, lobis irregu- 

 iariter grosseque dentatis et duplicatim dentatis, basi optime grosseque 

 cordata, alis late rotundatis, ex parte liberis. Periantfiia angusta, lon- 

 gissime exseita, triplo longiora quara lata, deceraplicata, plicis inflatis, 

 rostro valido. Folia floralia anguste lanceolata, perianthio duplo bre- 

 viora, longe cuspidata, integerriraa vel sub apice paucidentata ; lobulo 

 ad plicara angustam reducto; ala carinalis magna obovata. Ampfiigas- 

 trium florale foliis floralibus sequilongum, ligulatum, plus duplo longius 

 quam latura, apice breviter emarginato bilobatum, marginibus ubique 



749 



