314 MONOCOTYLEDONEÆ. HYPOLÆNA. 
B. Spiculæ masculæ axem per dorsum respicientes ut in Tritico. 
14. H.? virgata (Mast. inJourn. Linn. Soc. 10, p. 268); culmis fili- 
formibus teretibus v. vix angulatis infra medium dichotome ramosis ; 
vaginis arctis, sub apice obtuso, longe mucronatis; spiculis masculis 
8-10 in spicam disticham linearem dispositis, singulis ellipticis spathis 
vaginiformibus æquilongis suffultis ; bracteis arcte imbricatis oblongo- 
obtusis mucronatis, flores oblongos compressos superantibus. 
9£ Culmi 30-60 cent. alti. cæspitosi teretes vel subangulati crassitie 
penne corvinæ, ad basin vaginis coriaceis fuscis dense approximatis 
obtecti, superne remote vaginati, versus medium dichotome ramosi, 
ramique erecti olivacei albo-lepidoti. Vaginæ arcte convolutæ ellipticæ 
coriaceæ fusce, sub apice obtuso tenuiore, longe mucronatæ. Spiculæ ` 
masculæ 8-10, in spicam linearem erectam disticham remotiuscule 
dispositæ, singulæ plurifloræ ellipticæ erecto-patentes, 1 cent. longæ, 
3 mill. latæ spatha apertha vaginiformi spiculam ipsam sequante sufful- 
tæ. Bracteæ arcte imbricatæ oblongæ obtusæ coriaceæ sub apice 
mucronatæ flores oblongos compressos stipitulatos vix duplo superan- 
tes. Segmenta externa oblonga rigidiuscula , lateralia inæqualia navicu- 
lari-conduplicata carinata carina ferrugineo-villosa ; intermedium 
planiuseulum ; interna 3 conformia hyalina externis paullo breviora. 
Filamenta linearia albida. Antheræ lineares apiculatæ flavide dorso 
ferrugineæ. Pistilli rudimentum minutum vel nullum. 
Pr. B. Sp. Krombeks Rivier Burchell, 7187 ! 
5. H.? Burehellii (Mast. in Journ. Linn. Soc. 10, p. 268); culmis 
cæspitosis teretibus, versus medium dichotome ramosis, ramis elon- 
gatis virgatis ; vaginis arctis brevibus superne profunde membranaceis 
laceris; spiculis masculis pluribus in cymas distichas terminales dis- 
positis rachin per dorsum spectantibus ; bracteis laxiuscule imbricatis 
lenceolatis profunde hyalino-membranaceis, ad margines decurrentibus. 
2; Culmi erecti 70-90 cent. teretes crassitie penne gallinaceæ basi, 
spatio bi-tripollicari, vaginis coriaceis laceris arcte approximatis vestiti. 
superne remote vaginati, infra medium dichotome ramosi, ramique 
erecto-patentes, iterum ramulosi olivacei albo-lepidoti ; ramuli ultimi 
compressiusculi. Vaginæ culmeæ arcte convolutæ, 10-15 mill. longæ, | 
coriaceæ striatæ fuscæ, superne hyalino-membranaceæ, ibique demum 
deciduæ. Vaginæ ramulorum conformes nisi magnitudine minore, sub 
apice membranaceo acutiusculo interdum bilobo, acuminato-aristatze. 
Spieul masani oo in cymam E Paseo em termi- 
3-4-mill. 
longæ, 3-4 mill. La spatha apertha iniformi ip te suffultæ 
rachin flexuosam compressam per dorsum spectantes. Bracteæ laxius 
cule imbricatæ oblongo-lanceolatæ filaceo-aristatæ coriaceæ superne 
, 
