3aa TRIANDRIA-MONOGYNIA.

Deutschl. FI. i. p. 456. FI. Dan. tab. i 44 t - Lirik. Hort.reg. Berol. descr. i. p. 3zg. Host. Gram.Austr. 4- p • 4 a -tab. 74-, ef .F7. Austr. i. p. 63. Schleich. Pl. sicc*

E- angustifolium / alpinum Gaud. FL Helv. i. p. i3i.planta luxur.

E. angustifolium Schleich. Pl. sicc.*

Ital. Pennacchio Coda di volpe .

Perenn. Habui ex apennino Liguri® orientalis a S. Ste-fano d’Aveto prope pratum della Cipolla a Turio , etex Cenisio a Bonjeanio . Floret Junio .

Radix late repens . Calami subtrigoni, foliosi, pedales ,et ultra . Folia linearia , subinde angustissima , cari-nata , subrecurva, basim versus canaliculata, supernelongissime triquetro-mucronata . Stipul® loco margoobsoletus. Umbella spuria, terminalis, simplejf, pau-cistacliya, locusta sessili interjecta, radiis erectis, re-curvatisque . Involucrum diphyllum , inaequale , s®peumbella brevius , foliolis multistriatis, rufo-fuscis, ex-teriore , vel utroque , triquetro-mucronato, mucroneviridi. Radii compressi, striati, nunc glaberrimi, nunctenuiter pubescentes, pube albida, molli j nullimodescabri . Locust® ovoideo-oblong® , obtus®, livido-fu-sc® . Glum® ovato-lanceolat»; variant obtusiusculs ,vel acuts, et subinde acuminat® , prssertim superio-res omnes uninervi®, basim versus livido-fusc®, api-ce albido-hyalins . Nucula oblonga , triquetra , angu-lo carinali parum elevato, vix apiculata , basi angu-stata , l®vis , glabra , matura castaneo-fusca. Villushypogynus brevissimus omnium hujus generis , in in-florescentia haud exertus, postea obsolete productus ,insqualis, demum, prssertim qui superior, longitudi-nem duplam locust® adeptus, niveus, siccus sordidus.

Eriophorum triquetrum Schleich. differt tantum ab Erio-phoro angustifolio ejusd., quia gracilius. Hookerus inBrit. FI. p. a5. dubitat cum Wilsonio de differentia in-ter Eriophorum polystachyum , pubescens , angustifo-lium, et gracile, quod dubium esse potest de primisduobus, minime vero de reliquis, si recte video .

Usus . Cdlamariarum, de quibus hactenus egimus , ususingens , et varius , et primo quidem natura sagaxconcessit has plantas paludibns , et fluminum ripis ,ut solum firmarent, et alluvionibus moram facerent ,qua terra subsidet , et humus superveniens auget so-lum , unde homines edocti uti alluvionibus ad cam-pos demissos arte extollendos, fertilesque faciendos .