678 . MONÖCOTYLEDONEE. ` ISEILEMA , 
- Species enigmatica, imperfectissime descripta, quoad genus incerta : 
A. glabrifolia Desv. Opuscul. p. 71 «A ciliata Sw. » (ubi?) 
« nee Linn. » Hab. in Antillis. 
XXIX. ISEILEMA J. N. Andersson in Nov. act. soc. scient. Upsal. 
2 (1856), p. 250. 
Racemi floriferi fasciculiformes in apice culmi ramorumque pani- 
cul; folios® solitarii, eum pedunculo articulati, demum toti ab illo - 
deeidentes. Spicularum paria duo infima homogama ita arete sibi 
approximata, ut eorum Spicule verticillum forment spurium, tetra- 
— merum, reliquas spiculas involuerantem ; spieule involucrantes flo- 
rem unum d triandrum foventes, omnes »qualiter pedicellulate v. 
subsessiles, muticze. Spicularum par summum eum spicula terminali 
d ternionem efficiens, eujus spicule 2 pedicellate 5 involuerantibus 
- simillimz, sessilis vero 8 (v. interdum Q ?) formä ab illis discrepans, 
aristata, eum rhacheos artieulo cui insidet non articulata, maturita- 
tis tempore ab illo non secedens, callo destituta. Hujus gluma I” 
- chartacea, semper pallida, tenuinervis; II?* membranacea, obsolete v. 
non carinata, exsulca; III: illis brevior, hyalina, enervis, IV* e basi 
angusta, hyalina mox in aristam perfectam gracillimam abiens. Palea 
0. Lodieule parv®, cuneatze , glabrze. Stamina (sp. fertilis) non vidi. 
Stigmata elongato-lineares, infra spieule apicem exserta, stylis 2—3- | 
plo longiora. Caryopsis oblonga, a dorso compressa, exsulca, embryone 
dimidiam caryopsin superante. 
Gramina humiliora, perennia, foliis brevibus, panicula foliosa, 
racemis parvulis crebris, singulis pedunculo intra spatham aphyllam 
incluso v. raro ex illa eminente fultis, Indiam orientalem Australiam- 
que incolentia. — Innovationes plerzeque intravaginales. Culmi 
 grac iles, | multinodes, compressi, facie altera sulcati, glaberrimi, . = 
substriatuli. Vaginæ compressæ, carinatæ, internodiis breviores, 
infimæ sæpius subfiabellato-distichæ, superiores floriferæ breves, 
valde dilatatæ, laminam ipsas æquantem v. superantem ferentes. 
Laminæ e basi æquilata subrotundata lineares, vernatione condupli- 
cata, adultæ planz v. laxe complicatæ, patentes, costa media tenui 
I-nervi carinata supra haud albo-lineata non medullosa, nervis late- — — 
ralibus vix v. parum prominulis. Panicula sæpius culmi dimidiam 3 
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