100 /' / L F A. R<Ham,j,M. 



distichis, 3 — 4-lincalibu8, subincurvis, pnlliilissimc glaucis, angustissimc 

 conipresso-convoluti» ct acicula niinuta tcrminalis. Jubulae spicacfor- 

 nics , luciilulac. Spiculae plane ut in FU/a plunibea , glurais tauicn 

 superius liispiihills. 



Obs. Anno nicra varictas F. plumbcae, nuilto minor tantum? 



67) Vilji sqiiarrosa m. 4-poIlicaris. J/da siibracemosa , 4 — 5 lincali, 

 sitbiinilaterali; Radiis brei'issimis , 2 — i-Jloris; Spiculis Ibieulibiis, 

 glabris: Gluinis aeqiialibus , 'A — Vs-brevioribus; Valvulis tiequa- 

 libus, acutis: Foliis com'oIulis, deorsum asperiusculis, 3 — i-Iiiiea- 

 libus. 

 America septentr. in Ins. Mcnzios. illooker.) 



Radix .... Cidnuis fasligi ito-raniosissiinus , ramis squarrosis, oin- 

 nilnis florifcris, geniciilaio-iiiriirv is, teretibus, glabris. Nodi plures, in 

 quovis ramo 3 — 4, glabri. raginae (triliiicalcs) plcrumque patiilae, 

 glabrae, intcrnodio dimidio brcviores. Ligula menibranacea, seniili- 

 nealis, obtusiiiscuia, longe dccurrcns. Folia subsctaceo-convoluta, brc- 

 vissima, subaequalia, patiila^ arcuata, praesertim apicein vcrsus deorsuin 

 asperiuscula. Juba subracemosa albida, linca ^iv latior, 4 — 5-Iincas 

 longa, glabra Axis comm. pariim flexiiosus, glaber, hinc floriferus. 

 Radii tcnuissimc aspcri, rmcaics, adprcssi, 1 — 2-floriferi. Spiculae 

 acutiusculae. Ghimae aequalcs, acutiusculae, 1-ncrvcs. Valvtda infe- 

 rior 1-nervis, superior tenuissime et saepe obsolete dissite 2-nervis. 

 Frnclus lanceolalo-oblongus, aurcscens. 



j68) Filja Berleroana m. 2-pedalis et ultra. Jaba ultrapedali, sub/anceo- 

 lato-lineari, eonfracta: Jladiis injimis 2-polIicarihus, supremis pol- 

 liee brevioribus , fere a basi floriferis, angusle raceinosis: Spiculis 

 lineani longis, glabris; Gluma injeriore dimidio-, supcriorc Vs hre- 



