ay. 
a. 
Tas. 5030. 
DASYLIRIUM acrorricuvum. 
Rearded-leaved Dasylirium. 
Nat. Ord. AsparaGINE#.—Diecta Hexanpria. 
Gen. Char. Flores dioici. Masc. Perigonium corollaceum, profunde 6-parti- 
tum ; foliolis oblongis, uninerviis, navicularibus, campanulato-conniventibus (pa- 
tentibus, Brongn.) ; exterioribus paulo longioribus vel brevioribus; prefloratio 
imbricata. Stamina sex, basi foliolorum inserta, plerumque iis breviora. ila- 
menta filiformia. _Anthere biloculares, oblong, utrinque bilobe, dorso medio 
affixee, introrsee. Pistillum rudimentarium. FL. Fem. Perigonium maris. Sta- 
mina antheris effetis; ovarium liberum, triquetrum, angulis membranaceis, uni- 
loculare ; ovula 6, per paria approximata, fundo ovarii affixa, erecta, anatropa. 
Columna stylina brevis, in stigma infundibulare margine undulato-plicatum irre- 
gulariter lobatum dilatata (stigma trilobum ; lobis brevibus, ovatis, divergenti- 
bus, Brongn.). Fructus nucumentaceus, abortu monospermus (akenium, Brongn.), 
ovato-trigonus, angulis in membranam latam expansis. Semen immaturum erec- 
tum, fusiforme, utrinque acutum. Caulis lignosus, abbreviatus, foliosus, vel elon- 
gatus, caudiciformis, apice foliosus, erectus.—Folia ¢ basi semiamplexicauli line- 
aria, superne subulato-angustata, apice marcido sepe (semper, Byongn.) in fila dis- 
solubilia, canaliculata, striata, rigida, margine nunc spinosa, inter spinas denticu- 
lato-spinulosa, nune scabra. Panicule terminales, solitaria, erecta, simplices vel 
ramose, bracteate. Flores parvi, albi, pedicellati, solitarii vel per 2-4 fascicu- 
lato-congesti, in ramulis spicati vel racemosi ; pedicellis basi bracteolatis, superne 
articulatis. Antheree flave. 
Dasy.irtum acrotrichum ; caulescens, trunco elongato, foliis longissimis e lata 
basi lineari-subulatis viridibus fasciculo fibrarum emarcidaruam terminatis 
planiusculis striatis rigide serrulatis spinosisque, spinis subulatis sursum 
curvatis, spica longissima cylindraceo-acuminata composita, spiculis (plant. 
fem.) seu racemis eylindricis copiosis dense compactis erectis multifloris, 
bracteis amplis subeequilongis ovatis acuminatissimis, floribus (foem.) dense 
imbricatis, : 
Dasyurrtvm acrotrichum. Zuccar. in Otto et Dietr. Aligem. Gartenz. 1838, n. 
33. p. 259. Kunth, Enum. Pl.v.5.p.40. 
Yucca acrotricha. Schiede in Linnea, v. 4. p. 230, et ». 6. p. 52. Schultes, Syst. 
Plant. v. 7. p. 1716. 
Rovira acrotricha. Brongn. in Ann. des Se. Nat. v. 14. p. 320.— 
Dasy.irton gracile. Hort. Berol. 1847. 
_Of late ‘years the enhouses of botanic gardens have exhic 
bited noble scatitente of a very singular set of plants, with 
FEBRUARY 1st, 1858. 
ue: 
