164 XXVIII. GRAMiNE.E. [I)if/itaria 



SiKKitA Lkom:.— Sept. 1853. No. 2943. 



Goi.UNGo Ai.Ti). — Frequent in woody meadows near Bumbo and 

 Sange. A grass 1 to 4 ft. high like a Dig/titr/a, thickly crowded with 

 <ither grasses, especially species of I'atucuni on the margins of thickets; 

 Dec. 1854. No. 7184. 



Var. interrupta Rendle var, nov. 



Perennial; shoots tall, strict, erect; spikes (11) ascending with 

 a slendei- trigonous rhacbis, spikelets in inteiTupted pairs, oval, 

 narrowing to an obtuse apex, l?j line long; subsidiary glume 

 minute, triangular ; barren glumes subequal, with well-marked 

 nerves and 4 lines of short ascending hairs, oval, the lower slightly 

 narrower, 5-nerved, tapering to a blunt fimbriated apex, the upper 

 7-nerved and tapering to a blunt point ; fertile glume broadly 

 oval, obtuse, inconspicuously 3-nerved, the edges incurved and 

 becoming very thin, membranous, and enclosing a .slightly 

 naiTower pale. 



Stems 3 to 3^ ft. with pubescent nodes. Leaves long, linear- 

 tapering, glabrous ; sheaths glabrous, sparsely pilose at the mouth ; 

 ligule short, membranous, truncate. Spikelets bluish. 



HriLLA. — Grassy hills near Lopollo towards Catumba ; end of 

 Feb. 18(30. No. 2675. 



8. D. moninensis Rendle sp. nov. 



Perennial with a slender woody rhizome ; stems erect, slender, 

 stramineous ; nodes hairy ; basal leaves short, linear-lanceolate 

 to linear-tapering, cauline with long sheaths and short linear- 

 lanceolate acuminate blades much shorter than the internodes ; 

 .spikes dense, binate ; rhachis flattened, margined, Hexuose ; spike- 

 lets generally in groups of four (sometimes fewer) on flexuose 

 pedicels varying in length, ovate, plano-convex, clothed with long 

 shining rosy-purplish silky hairs ; subsidiary glume minute, 

 delicate, transparent, enerved, embracing the base of the spikelet ; 

 outer barren glume green, narrow-lanceolate, 3-nerved, densely 

 clothed with short stiffish hairs, shorter than the fertile glume ; 

 inner barren glume longer than the outer, ovate, shortly acuminate, 

 flat with incurved hairy edges, sti-ong midrib, and two pairs of 

 weaker lateral nerves, membranous between the nerves, epaleate ; 

 fertile glume sharply convex, oval, shortly acuminate, coriaceous, 

 yellowish-brown, minutely transversely punctulate ; pale subecpial 

 flattened. 



Plants 14 to 26 in. high. Leaf -sheaths cylindrical, appressed, 

 closely striolate, the lower hairy, 1 to 3 in. long, hairs ascending 

 or suberect, the cauline subglabrous, 5 to 7 in. ; ligule short, 

 membranous, truncate, less than I line long, upper margin bearing 

 a row of erect whitish hairs ; blades flat, margined, acute, lower 

 face hairy like the sheaths, upper striate, glabrous, the lower 

 generally \ to 3 in. long by 1^ to 2 lines broad, the cauline 1 in. 

 or less. Spikes 3 to 4 in. long, ultimately diverging, i-hachis | to 

 1 line broad. Spikelets (including hairs) 2 lines long, pedicels 

 from scarcely 1 to nearly 3 lines ; subsidiary glume not exceeding 

 .} line, truncate or very obtuse, or irregular in shape; outer 



