(VoL. V, 1912). FRANZSTEPHANI.SPECIESHEPATICARUM Marchesinia. 



Asia 



23. Marchesinia gigantea St. n. sp. 



Dioica, magna, rojjusta, rufo-brunnea, dense caesptosa lateque 

 expansa. Caulis ad 7 cm. longus, irregulariter raraosus, ramis lon- 

 gioribus ad 4 cm. longis, sparsim pinnulatis, aliis simplicibus. Folia 

 caulina conferta, subrecte patula, parum concava, margine postico 

 arcte incurvo, in plano ovato-oblonga (4 mm. longa, 2,5 mm. lata) 

 apiculata, sub apice paucidentata, ad medium inserta, basi antica 

 grosse rotundato-appendiculata. Cellulx superse 18 [jl, trigonis magnis, 

 basales 27 X 54 {a trigonis maximis. Lobulus parvus, in situ occultus, 

 in plano oblongus, folio 5 plo brevior, recte patens, apice quam basis 

 parum angustiore, margine supero stricto nudo, apice truncatus, biden- 

 tulus. Amphigastria caulina majuscula, caule quintuplo latiora, in 

 plano rotunda, breviter sinuatim inserta, breviter decurrentia, mar- 

 ginibus lateralibus arcte recurvis. Perianthia (juvenilia) obovato-obco- 

 nica, compressa, rostro parvo. Folia floralia caulinis vix longiora, 

 oblonga, triplo longiora quam lata, acuminata, superne dense irregula- 

 riterque dentata; lobiilo duplo breviore, anguste lineari, parum soluto 

 acuminato, integro. Amphigastrium florale giganteum, foliis floralibus 

 parum longius, obovatum, apice breviter emarginato-bilobatum, lobis 

 valide spinosis, sub apice dense minuteque dentatum, inferne nudum. 

 Andrcecia ignota. 



Hab. Dirma. 



24. Marchesinia Mittenii Evans. Conn. Ac. 1900, p. 422. 

 Dioica, fusco-virens. Caw/wirregulariterpinnatus. Folia caulina parum 



irabricata, recte patula, ovato-oblonga, subplano-dislicha (1,5 mm. 

 longa, 1 ram. lata) basi antica late rotundata, apice rotundato pauci- 

 dentato. Cellulie superse 27 [i, basales 35X43 a, parietibus stellatim 

 trabeculatis. Lobulus parvus, cauli aequilatus, inflatus, sacculatus, mar- 

 gine supero stricto, pauciraamillato. Amphigastria caulina imbricata, 

 subrotunda, profunde sinuatim inserta, angusteque decurrentia, apice 

 arcte recurva. Folia floralia obovata (2 mra. longa, 1,2 rara. lata, apice 

 rotundata, superne paucidentata, lobulo ovato vel lanceolato, acuto 

 quadruplo breviore. Amphigastrium (lorale ex angusta basi subrotundum, 

 superne valide spinosum. Reliqua desunt. 



Hab. Hawai. 



Vorstehende Diagnose ist die Ubertragung der Original Beschreibung. 



154 



