70 
Vossra. 
1. Ischemum (Vossia Gr.) cuspidatum, Roxb. Pl. CL11I. 
Figs. I. II. Fl. Ind. 1, 325. Kunth. Agr. 1-516. Vossia procera 
Gr. Mss. Wall. et Griff. Journ. As. Soc. Vol. V. 1830. p. 572. 
Spice bine vel terne rarius 4 digitatze ; maximz 6-8 un- 
ciales. Rachis articulata flexuosa (flexuris retrorsis sinis tror- 
Sisque) extrorsum convexiuscula, introrsum planiuscula ; mar- 
ginibus acutis scabris rotundatis glabris, excavata, articuli bi- 
flori: flore altero sessile altero interiori pedicellato, pedi- 
cellis articulos paullo superantibus; gluma biflora bivalvis 
dissimilis ; exterior chartacea, dorso plana nervosa, apice 
marginibus involutis ortum cuspidem longum glumam 1 4 
superant planam subundulatam marginibus denticulatis sca- 
bris gerent. 
luterior membranacea breve mucronata navicularis dorso 
medium supra gibboso carinata, 3-nervis: nervo medio me- 
dium supra tantum distincta, interstitio venuloso. 
Perianth. exterius masculum bipaleaceum. Palee mem- 
branacez complanate, marginibus mutuo involutis  subciliatis, 
binerves, exteriore apiculo brevi pubescente; glandule hy- 
pogynz 2, maxime, basi euneatze, supralatissine, quasi ex- 
cavatz sulcateve, margine utroque dantato, dentibus anticis 
posticis que confluentibus singulis, his majoribus. Stam. 3. 
Perianthium interius hermaphroditum. Pale: ut in mare 
sed exterior (interior quoad axin) 3-nervis. Lodiculz Stamin- 
que ut in mare. Ovarium abovatum, Styli 2. Stigmata plumosa 
ratione Styli longissima, denticulata. 
Gramen in aquis stagnantibus leniterve fluentibus profun- 
dis proveniens, fluitans glaucescens; culmis immersis crassis 
cellulosis, radiculas capillaceas ad geniculos emittantibus, 
emersis foliorum vaginis laxis, compressiusculis tactu scab- 
ris undique tectis. Vaginarum axillis proliferis vel potius 
gemmiferis collis densissime barbatis, ligula brevi-truncata 
dense ciliata, foliis lineari ensiformibus basi subcordatis 2- 
24 pedalibus longissime subulato-acuminatis inferne gla- 
