//'. Arthratherum. 175 



Vap. a, in campis graniinosis ad flumen Zwarlkopsrivier 

 iuxta praedium Pauli Mare all. I., ad Adow alt. I — IH., tum in 

 (feserto Karro calcareisque sterilibus alt. II., inter flumina Zon- 

 dagsrivier et Coegarivier et in sylvis primaevis iugi Olifantshoek 

 ad flumen Boschesmanrivier alt. I., (Ecklon); in collibus saxosis 

 in Boschkloof alt. SOO — lOOO', inter Klipplaatsrivier el Zwarte- 

 keyrivier flumina, in monte Windvogelberg alt. 500 — ^ 4000' (Ui- 

 tenhage), in collibus aridis saxosis montium Groote Zwartebergen 

 alt. IV. (Cannalande), in collibus saxosis Camdeboo alt. 2S00 — 

 oOOO', adZwarlbuIIetje alt. 2o00', ad Klaarstroom alt.2S00 — 3300', 

 ad Gaalje in valle Klein Buff^elvalei alt. 4o00 — SOOO', in planilie 

 calcarea inter Koega- et Zondagsrivier flumina alt. 600', in col- 

 libus praeruptis ad flumen Klein Vischrivier alt. 2000 — 2S00', 

 et in rupestribus ad Zilverfontein alt. 2o00 , (Drege), 



Var. ^. in graminosis ad flumen Zwarlkopsrivier (Uitenhagej, 

 Ecklon. 



Floret ab Aprili in Decembrem. l^, 



Fibrae radicales crassae, basi dense tomenlosae. Fasciculi 

 foliorum densissimi. Folia altitudine culmi, vel breviora, convo- 

 lulo-filiformia, incurva, laevia, glaucescentia ; culmi supremum bre- 

 vissimum, setiforme. Vaginae radicales in bulbum congestae, re- 

 liquae angustae; inferiores molliter villosae, superiores glabriuscu- 

 lae ; omnes ad os auriculatae. Ligula brevissima, ctliolata. Cul- 

 mus teres, pedalis, binodis, nodis fuscis, glaber*). Panicula 2 — 4- 

 uncialis, patula. Rami filiformes, gemini_, bi- raro trichotomi. 

 Spiculae lineares, teretes. Glumae laeves, primum purpura et fla- 

 vedine imbulae, dein palJide cinnamomeae; inferior lineas 2^/2 

 longa, oblonga, truncato-obtusa, irregulariter bifida, lacinulis saepe 

 dente uno alteroque setaceo munitis ; superior lineas Sy^ 'ono^? 

 lanceolata, attenuata, arcte convoluta, inaequaliter 2— 4-fida, laci- 

 nulis setaceis parvis. Flosculi valviila, usque ad aristae geniculum 

 dum meliaris, i> lineas longa, punctulata, virescens. Slipes arista- 



*) Lana, quam dicit culmi Thunbergius, vaginarnm est in- 

 tegumentum. 



