280 |. .MONOCOTYLEDONEE. ` ROTTBOELLIA . 
crassa multinervi intus parenchymatosa supra late albolineata per- 
eursa, nervis lateralibus parum v. non prominentibus. Rhacheos arti- 
culi lineari-subelavati, erassi, latere interiore leviter excavati, extus 
angulati. Spiculze glabrze. Pedicelli articulis similes. 
1. R. digitata (Sibth. et Sm. Fl. græc. tab. 92); rhachi communi 
infra racemum imum spicularum paria 1—4 remotiuscula gerente. — 
Gramen Dactylon arundinaceum, locustis mutieis avenaceis, spicis 
articulatis Scheuchz. Agrost. p. 100. Tab. 2, fig. 11 E; Pholiurus 
. græcus Trin. in Spreng. n. Entd. 2, p. 67; Rottboellia Sandorii Friv.! 
in Flora 1835 p. 335 et in Magy. tud. tars. evk. 4 (1840) p. 206, tab. 
12; Phacelurus digitatus Griseb. Spicil. 2, p. 424. 
izoma crassum. Innovationes extravaginales, basi late squamatæ. 
Culmi robusti, superne breviter nudi, e nodis superioribus v. omnibus 
ramosi, ramis superioribus floriferis elongatis subfastigiatis solitariis 
simplieibusque. Vagine sæpissime pilis basi tuberculatis hirsutæ. 
Ligula in seriem ciliorum brevium soluta. Laminz e basi subzequi- 
lata a vagina parum distincta lineares, 30—50 em. longi, 4—8 mm. 
late, rigidule, glauco-virides, glabrze v. sepe e tubereulis hirtulz, 
subtus leves, supra scabr&, margine serrulato-scaberrimze. Racemi 
9-6 (rarissime in speciminibus macris 1), secus rhacheos communis 
nodos 1,5—2,5 cm. distantes alterni, terminalis 30—40 cm. longus, 
laterales 8—30 cm. longi, omnes pro longitudine graciles, erecti, laxi- 
flori, virescentes ; articuli spiculam sessilem in superiore racemi parte 
sequantes, in inferiore usque duplo superantes, superiores acute, infe- 
riores obtuse trigoni, cum pedicellis ipsis '/,—2-plo brevioribus iis 
arctiuscule appressis toto dorso angulisque scabri, glabri. Spicule . 
iles eum callo 1 mm. longo glabro 11—14 mm. longs, inferne 
lineares, a medio sensim acutat®; gluma Ir coriaceo-chartacea, 
acuta, minute et inzequaliter idak superne sæpius curvula, mar- 
ginibus latiuscule inflexa, flexuris carinatis scabris, dorso plana, 
superne 5-nervis, nervis submarginalibus viridibus, seaberula ; I“ 
primá paullo brevior, chartacea, lanceolata, acuta, elevato-carinata, 
carina superne scaberrima viridi, 7—11-nervis, glabra ; IH: II**^ sub- 
squans, lanceolata, acuminata, hyalina, 7-nervis, glabra ; ejus palea 
glumam subæquans, lanceolato-subulata, 2—4-nervis, marginibus 
implicata, flexuris ciliolata ; lodieule elongato-euneats, bicornes v. 
bicuspidate ; floris ? antherze 5—6 mm. longs, parum supra basin 
filamento affixze. Interdum adsunt etiam ovarium stigmataque evoluta 
v. hebetata. Gluma IV* quam II“ */, brevior, oblonga, obtusa, tenuis- 
xo 
V ai cS 
TORUM eR erai 
