290 MONOCOTYLEDONEJE. BOTTBOELLIA . 
pro recipiendo articulo superposito, alteram pro spicula primaria) 
exhibentia. Spieule primarie ob pedicellos articulis adnatos juxta 
secundariam internodii superpositi specie sessiles, forma sexuque ab 
illis discrepantes, c? v. neutre;secundarie mutieze, a dorso compressa, 
1—2-flores : gluma I: coriacea, subconvexa, marginibus angustissime 
v. obsolete inflexa, flexuris superne late alatis, callo anguste annuli- 
formi vix a reliqua gluma distineto glabro, cavum rhacheos undique 
excedens ; II membranaceo-chartacea, omnino immersa, subcarinata; 
Il enervis, vacua v. paleata v. etiam florem c? fovens ; IV* et ejus 
palea IIT** similes v. palea 0. Stigmata linearia, stylos pluries super- 
antia, prope spiculæ basin exserta. Caryopsis oblonga, embryone 
totam caryopsin zequante. 
Gramina humilia, e basi prostrata ascendentia, angustifolia, Indiam 
orientalem incolentia. 
7. R. myurus (Benth. in Journ. Linn. Soc. 19, p. 68; in Benth. 
et Hook. Gen. Pl. 3, p. 1129); spiculæ sessilis gluma I™ panduri- 
formi obtusissima in '/, superiori ala lata suborbieulari, in '/, inferiori 
ruga transversali utrinque in aurieulam subquadratam exsiliente 
munita. — Manisuris Myuros Linn. Mant. 2, p. 300; Schreb. 
Beschreib. tab. 43 ; Roxb. Pl. Corom. t. 117; Peltophorus Myuros 
Beauv. Agrost. Expl. pl. p. 14, t. 21, fig. 11 ; Desv. l. c. 
Perrenis. Innovationes extravaginales. Culmi geniculato-adscen- 
dentes v. basi diffusi, 20—70 em. longi, multinodes, teretes, glaber- 
rimi, modo fere a basi, modo superne tantum florifero-ramosi, ramis 
solitariis — 3"'* erectis, simplicibus. Vaginz teretiuscule, arct®, 
preter margines ciliatos glaberrim&, internodiis multo breviores, 
superiores, presertim ramorum, aphylle, spathiformes. Ligula bre- 
vissima, truncata, membranacea, ciliata. Laminze e basi zequilata in 
vaginam fere decurrente lineares, acutiuseule, 2—12 cm. longs, 
2—5 mm. latæ, vernatione conduplicata, adult plans, rigiduls, 
patentes, saltem inferne rigide ciliatæ, ceterum glaberrim:e, costa 
media 1-nervi haud prominente supra anguste albo-lineata nervisque 
lateralibus utrinque 2—3 prominulis percurse. Racemi 4—5 cm. 
longi, crassiusculi, strieti, basi vaginati v. breviter exserti, pallidi v. 
subviolaceo-suffusi ; ejus internodia spicula sessili '/, breviora, crassa, 
dorso sulco levi (limitem pedicelli indicante) percursa, scabra, ad 
spiculæ sessilis basin utrinque ita excisa, ut porus orbicularis inter 
articulum et spiculam reliquatur. Spiculæ sessiles cum callo 0,8 mm. 
longo 4 mm. longz, brunnescentes; gluma I™ demtis alis pan 
