'•^**^ Tribus XI. AvENEAE. 



TristacLya leucotLrix jv. ab E. Gram. Eckl. in Linn. Vll 

 P. 34iJ. Kunth. En. p. 308. n. 4. Trin. Panic. retract. in 

 Avt. Petrop. ui. ,;. 537. ed. separ. p. 249. Eckl. Gram. 

 Cap. n. 847. 



Avena Iiispida Thbg. Prodr. p. 22. Willd. Sp. pl. I. p.AM. 

 n. 28. R. et Sch. S. Veg. II. p. 673. {nec Avena Capensis. 

 Linn. Suppi.) 



Danthonia Iiispida Spr. S. V. p. 331. 



In (listrictu Zwellendam et George, (Mundt in herb. Reg. 

 Berol., Zeyher); in collibus circa flumina Krumrivier el Lam- 

 lownsrivier, in Krakakammae iugo, in collibus Adovensibus, inter 

 Zondagrivier et Boschesmanrivier flumina alf. III. et inde usquc 

 ad Karregarivier alt. II. (Uitenhage, Albany), in monte Winter- 

 berg prope urbem Philippstown alt. IV. ( Ceded Territory), Eck- 

 lon; in declivibu.s pracruptisque laloris scplentrionalis raontium 

 Zuurebergen alt. IV. solo argillaceo (Albany) alt. 1000-2000', 

 in collibus adAdow alt. 1.100-200o', ad Kachu alt. ISOO', in'. 

 ler Omsamwubo e( Omsamcaba alt. lOOO' el in collibus gramino- 

 sis ad Katrivier fluvium alt. 2S00', (Drege). 



Floret a Septembri in Decembrem. 0. 



Culmus videtur bipedalis, pilis rarls adspersus. Vaginae cum 

 loliis involutis canescendo-pilosae. Paniculae 5-4-poIIicaris axis 

 glaber, emittens ramos 5-S solitarios simplicissimos, snperne pi- 

 losulos el glanduliferos, apice discedentes in pedicellos 3 aequa- 

 les, lineam circiter iongos, singuios ferentes spiculam suam. Gluma 

 inferior in subulam brevissimam nttenuata, ad nervos 5 fusco-glan- 

 dulosa et c glandulis albo-pilosa ; superior paulo longior, ad nervum 

 medium nuda, ad laterales ciliata. Flosculi masculi valvula inferior 

 subslanlia et forma glumarum, S-ncrvis, nervis extimis tenero-ci- 

 liatis; valvula superior duplo brevior. Hermaphroditus primura 

 merabranaceus, valvula raasculi superiore paulo longior; valvula 

 infcrior 7-nervis, nervis binis exlerioribus utrinque confluentibus in 

 subulara tenuem bilinealem, tribus mediis in aristam bipollicarem 

 glabram. Lodiculae in utroque flosculo duae, connatae in unam 

 quadralam. Slamina 5. Trin. l. c. 



