286 



Neue Pflanzen aus Sokötra, Ahdal Kuri und Semha. 



Beschrieben von Dr. Fritz Vierhapper (Wien). 

 V. 



JExacum Socotranum Vierhapper. 



Herba ca. 25 cm aUa, valde ramosa, glabra. Gaules tetragoni, 

 ad basin anguste tetrapteri, rami erecto-patuli. Folia decussata, 

 crassiuscula, integerriraa, nervisprimariis 3 percursa, glauca, 

 pruinosa, maiora (caulis primarii) obovato-spathulata, 4 — 4*5 cm 

 longa, 2 — 2 "3 cm lata. 



Flor es in axillis foliorum superiorum rainorum, late ovato- 

 spathulatorum Orientes, cymas laxas forraantes, longe — iraprimis 

 raedii — pediceliati, pedicellis 1—4 cm longis, 5 meri. Oalycis 

 gamosepali tubus 1-6 mm longus, lobi ovati, acutiusculi vel 

 in mucronem brevissiraum, 0*5 mm breviorem producti, 

 marginibus late raembranaceis sese tegentes, 3 — 3*4 mm longi, 

 2*8 mm lati. Corollae tubus 3*8 mm longus, lobi obovati, apice 

 rainutissime emarginati, 6 mm longi, snpra medium 5, basi 3 mm 

 lati. Staminum 3 mm supra basin corollae tubo adnatorum filamenta 

 l"4mm longa, antherarum oblongarum, flavarum loculi 3*8 mm 

 longi, poro apicali introrso demum in fissuram longitudinalem 

 transeunte dehiscentes. Germen subglobosum, 2*5 mm diaraetro, 

 Stylus 6*8 mm longus, apice decurvatus, Stigma capitatum, stylo 

 vix crassius. 



Sokotra. Am Unterlaufe des das Wädi Fälenk durchfließenden 

 Haches. (Paulay.) 2. IL 1899. 



Adeniurti Socotranum Vierhapper. 



A. multiflorum Balfour fil. in Transact. Eoy. Soc. Edinb. 



vol. XXXI. p. 159 (1888) non Klotzsch in Peters, Naturw. 



Eeise nach Mossambique Bot. p. 279. t. 44 (1862—1864). 



Arborescens, succulentum, ingens. Cormus simplex. 1 — 6 m 

 altus, basi 5 dm— 2 m diametro, sparse ramosus, ut rami succulentus, 

 cortice laevi, glabro, cinereo. Folia in ramorum summo fasciculata, 

 glaberrima, lamina subcoriacea, oblongo-obovata, apice 

 subtruncata parum emarginata, 7—8 cm longa, supra medium 

 2*5 — 3 cm lata, petiolo ca. 7 — 8 mm longo, 4 — 5 mm lato, cicatricem 

 anguste triangulari-ellipticam, in medio foveolatam relinquentia. 

 Stipulae intrapetiolares 6 — 10, lineari-subulatae, 1 — 2 mm lougae, 

 diu persistentes. 



Flores in axillis bractearum lanceolato-triangularium solitarii 

 et dichasiis paucifloris Orientes, omnes in summo ramorum juniorum 

 fasciculati, foliis delapsis Orientes. Folia praefioralia bracteis minora, 

 ceterum iis aequalia, bina opposita. Bracteae juniores, folia praefioralia, 

 geramae, calyees deusissime puberula. Calycis ovati tubus 2*5 — 3 mm 

 longus, 5*5 mm amplus, dentes oblonge triangulari-lanceolati, 6 mm 



