276 MONOCOTYLEDONEJ. RHYTACHNE, 
alam in aristarum basin eontinuatis obsitis praedita, dorso convexo 
rugis transversis 6—7 valde elevatis regularibus undulatis notata; 
II^ hyalina, carina superne ciliolato-scabra; IIP I"" subzequans, 
ovato-lanceolata, acuta, tenuissime binervis, paleam anguste lanceo- 
latam subenervem glabram sed nullum florem (quantum vidi) fovens; 
IV: quam Il? */, brevior, ovata, acuta. Anther& floris 8 1,5 mm. 
longs. Pedicelli articulos superantes, plerumque glumiformes, apice 
in setas 2 insquales abeuntes in '/, superiore rigide ciliolati, raro 
(id quod in eodem racemo inveni) articulis breviores, eis similes nisi 
complanati, spiculam sessili paullo minorem eique simillimam fertilem 
glumá I»* dorso lzevi margine tantum corrugata uniseta ferentes. Quo 
sequitur, pedicellum illum glumiformem conflatum esse e pedicello 
vero rudimentoque glums prime, cujus limes versus pedicellum 
prorsus obsoletus. 
Africa centralis in terra tribus Bongo, Gir. (Schweinfurth 2485). 
Subgenus 2. JARDINEA. 
Jardinea Steud. in Flora 1850, p. 229; Synops. 1, p. 360, ex p. 
Racemi in apice culmi secus rhacheos communis plus minus elon- 
gatæ nodos racemosim dispositi. Spiculz sessiles uniflorze, gluma III 
cum palea brevi v. sine ulla. Stigmata stylis duplo longiora, anthesi 
infra mediam spiculam exserta. 
3. R. gabonensis; racemis singulis pedunculis 2—3 em. longis 
in axillis barbatis fultis; spiculis pedicellatis ad rudimentum 1—1,5 
mm. longum uniglume redaetis. — Jardinea gabonensis Steud., ll. ce. 
Culmi erecti, teretes, glaberrimi, simplices. Vagin® elongatze, arc- 
tæ, teretes, secus marginem exteriorem pilis basi minute tuberculatis 
obsite, summa cum lamina elongata. Ligula brevissima, truncata, 
membranacea, ciliata, intus pilis stipata. Lamin:e e basi zequilata in 
vaginam defluente lineares, sensim angustate, acuminatze, plane v. 
siecando convolute, rigidæ, 20—30 em. long&, —7 mm. lat, subtus 
glaberrim:ze, supra secus nervos pilis adspers® et scabridz, margine 
scaberrimæ, costa media plurinervi crassiuseula obtusa supra latius- 
cule albolineata munitze, nervis lateralibus crebris supra parum pro- 
minulis pereursz. Racemi cire. 6, secus rhacheos communis nodos 
2—3 cm. distantes solitarii v. infimi bini, laxiuseuli, ultra 6 em. longi ; 
rhacheos leviter flexuos® articuli spiculas sessiles æquantes v. supe- 
rantes, lineari-subclavati, spieulis angustiores, dorso convexo obtus- E 
