684 BULLKTiN DK l'herbikr boissier (2'"« sÉR.). 1906 Conoscyphus. 



Gonoscyphus Mitten 1865. 



Plantée foliiferae majores vel elatae corticolse laxe csespitosae rigiduise 

 briinneolae. Caulis sublenuis fiiscus rigidus slriclus vel parum flexuosus 

 radicellis fuscis vel purpiireis adhserens, parum ramosus sub flore innova- 

 lus, ramis posticis ex axilla amphigastrii ortis, interdum flagellalim alle- 

 nuatis et arcualim patulis, Folia caulina succuba alternantia subrecte 

 patula assurgenti-secunda plus minus concava subintegerrima. Cellidae 

 foliorum regulariter hexagonse basi elongatse plus minus incrassatae. 

 Amphigastna caulina magna imbricala vel conferla oblique patula basi 

 angustata altero lalere in folium proximum decurrenlia, interdum libéra, 

 ceterum circumcirca dentata. Inflorescentia dioica. Folia floralia pluri- 

 juga, intima caulinis majora similia libéra armata. Amphigastria floralia 

 foliis suis simillima. Perianthia in caule incrassato terminalia innovata, 

 basi plurislrata alque calyptrse parce coalita, profunde Iriloba, lobis 

 magnis concavis erecto-conniventibus armalis. Calyptra parva inclusa 

 superne tennis pistillis sterilibus obsita. Capsula in pedicello breviusculo 

 ovalis ad basin quadrivalvis, valvulis plurislratis strato interno semiannu- 

 lariler incrassato. Sporœ parvse rufescentes asperse. Elateres brèves 

 vermiculares spira solitaria laxe lorta. Andrœcia ignota. 



1. Gonoscyphus inflexifolius Mitten in Seemann Flora Vilien- 

 sis, p. 404. 



Syn. : Diploscyphiis borneensis De Not. Hep. Bornéo p. 21. 



Chiloscyphus trapezioides Sande- Lacoste. Syn. Hep. Javan. p. 33. 



Planta dioica spectabilis rufo-brunnea fragillima in cortice dense 

 depresso-csespitosa. Caulis ad 12 cm. longus e basi ampbigastriorum 

 radicellis brevibus repens, pro planta tenuis, brunneus rigidus strictus 

 pauciramosus ramis brevibus interdum flagellatim attenuatis recurvis 

 omnino posticis, ex axilla ampbigastriorum orlis. Folia caulina per paria 

 approximata imbricata recte patula assurgentia, apice tamen decurva, in 

 piano ovato-lriangulata asymmetrica margine antico substriclo nudo cris- 

 palo, postico leniler arcuato versus basin bidenticulato, apice plus minus 

 longe angustato obtusalo. Cellnlx apicales 27 ^ basales 27 X 36 {jl tri- 

 gonis maximis nodulosis ssepe late confluentibus. Amphigastria caulina 

 imbricata obovato-rotundata brevi basi inserta decurrentia libéra utrinque 

 Iridenlala apice emarginato-bidentata, dentibus ubique aequalibus sinubus 



194 



