Tribus: Arundinelleae. 
Cyphochlaena noy. gen.') 
Spieulae secus ramos paniculae simplieis binae, heterogamae 
et subheteromorphae, cujusvis paris altera subsessilis, floribus 2 mas- 
eulis, inferiore interdum aboriente, altera breviter pedicellata, bi- 
flora, flore superiore 9, inferiore 7, utraque a latere compressa, 
cum pedicello articulata. Glumae 4, infima a rhachi aversa, membra- 
nacea, spicula brevior, aristam ipsa multo longiorem (in spieula 2 
eam aequantem) exserens; II. versus rhachin spectans, spiculam 
aequans, in spieula @ coriacea, chartacea, mutica, in @ membra- 
nacea, aristulata; III. spieulam aequans, in spicula @ obtuse tri- 
angularis, gibba, demum subcoriacea, mutica, paleam hyalinam 
enervem floremque Z‘ triandrum fovens, in spieula Z vix gibba, 
membranacea, mutica, paleam floremque Z' includens; IV. spieula 
paullo brevior, hyalino-membranacea, mutica, subcarinata, obsolete 
3-nervis, paleam hyalinam obsolete 2-nervem floremque triandrum, 
in spieula subsessili mere JS‘, in altera @ includens, cujus ovarium 
obovatum, glabrum stylis 2 breviuseulis, stigmatibus elongatis un- 
dique breviter plumosis ex apice floris exsertis terminatur. Caryopsis 
ignota. Gramen madagascariense humile, gracile, foliis planis flac- 
eidis lanceolatis, spieulis in racemos alternos spicas mentientes 
dispositis, habitu Oplismenos referens. 
93. Cyphochlaena madagascariensis noVv. spec. 
Perennis. Culmi basi decumbentes, radicantes, dein ascendentes, 
15—20 em alti, gracillimi, subeompressi, facie interiore (folium spec- 
tante) pubescertes, ceterum glaberrimi, plurinodes, basi ramosi, fere 
ad paniculam usque foliati. Foliorum vaginae arctae, teretiusculae, 
internodils breviores, versus margines pilosae, ad nodos barbatulae. 
Ligulae breves, truncatae, basi anguste membranaceae, ceterum ei- 
liares. Laminae e basi subangustata lanceolatae, acutae, 4—D cm 
longae, 5—7 mm Jlatae, flaccidae, patulae, utrinque plus minus pilis 
adspersae, margine saepe undulato scabrae, tenuinerves. Panieula 
linearis, e racemis subeompositis (spieis spuriis) 6—9 alternis facta, 
o—8 em lg.; racemi patuli, sessiles, erassiusculi, subdensiflori, se- 
cundi, rhacheos communis complanato-compressae glabrae internodia 
subsuperantes, inferiores 10—12 mm longi, e paribus spieularum 
10—12, summi ad 5 mm Ig., e paribus 5—6 formati, rhachi propria 
angusta (spieula plus duplo angustiore), depresso-trigona, setis e 
tubereulis enatis spiculas superantibus obsita, spieula terminata. 
Spieulae quadriseriales, seriebus 2 exterioribus e spieulis @ sub- 
distantibus factis, 2 interioribus e spieulis Z' contiguis v. subimbri- 
eatis formatis, pedicellis brevissimis (spieularum © 0°8 mm, 2 vix 
0’4 mm longis) apice corona pilorum spieula duplo longiorum (in 
1) Von »vgpos, höckerig, und yAuive, Decke, Mantel, bei den Gräsern 
Deckspelze. 
Oesterr. botan. Zeitschrift. 12. Heft. 1901. 34 
