﻿OSTERREICHISCHE 



BOTANISCHE ZEITSCHRIFT. 



Herausgegeben and redigiert von Dr. Richard R. v. Wettstein, 



Verlag von Karl Gerolds Sohn in Wien. 



LIE. Jahrgang, N°- 11. Wien, November 1903. 



Neue Pflanzen aus Sokotra, Abdal Kuri und Semhah. 



Beschrieben von Dr. Fritz Vierhapper (Wien). 



Aristida plumosa Linne. Spec, plant, ed. II. p. 1666 (1763); 



subsp. Sokotrana Vierhapper. 



Perennis, dense caespitosa, internodiis omnibus glabris. 

 Culini floriferi 5—15 cm longi, teretes. Foliorum vaginae fissae, in 

 oris auriculati margine et ligulae loco lanato-ciliatae, laminae inno- 

 vatione conduplicata, arete convolutae, strictae, ca. 1*5 mm latae, 

 arcuatae, acutae, pungentes, glaucae, 13-nerves, sulcatae, supra et 

 io margine seabriusculae, infra glabrae, inferiores 1—3, superiores 

 1-2 cm longae. 



Spiculae breviter stipitatae paniculam compositam, contractam 

 formantes. Glumae steriles inaequales — inferior cum cuspide 

 10—12 mm, superior 20 mm longa — lanceolato-oblongae, e parte 

 basali virescente, rarius violacescente, membranaeeo-marginata,quinque- 

 oervi, in cuspidem uninervem, ipsa longiorem sensim attenuatae, 

 nervis scabridis exceptis glabrae. Gluma fertilis callo stipitiformi, 

 ?a. 1-5 mm longo, in superiore parte albide piloso suffulta, 

 involutione fusiformis, 3 mm longa, laevis, glabra, paleam includens, 

 aristata; arista parte inferiore ca. 47 mm longa, torta, exiens in 

 setas tres, quarum media 35-40 mm longa, basi gemculato- 

 arcuata, pills plus minus patentibus, iis infimae tertiae 

 Partis quam superiores, qui2 mm longi,multo brevioribus, 

 Plumosa, laterales binae ca 14— 15 mm longae, tenuiores, fere 

 capillares, seabriusculae, non plumosa e. Caryopsis gluma fertili 

 inclusa, lineari-oblonga, glaberrima, per totam longitudinem nilo 

 hneari, castaneo percursa, 2'5 mm longa, 0'6 mm lata. 



Sokotra. Kustengebiet von Gubbet Ni an steinigen Stellen 

 (Paulay). 27. Janner 1899. 



Abdal Kuri. Ebene nordostlieh vom Hafen (Paulay). 



Janner 1899. 



