Miscellanea Botanica XI. 601 



bifurcatioiiis einittens anstam longam, geniculata.n, infra 

 geniculum contortam, et fuscani, supra geuiculum attei.ua- 

 tam, albidam, scabiidam. Valva floris inasculi mutica 

 6. Campulosus monostac/iyos : culmo gracili, foliisque glahris 

 anguste hncanbus; spica solitaria, falcata; locustis sub- 

 sexflons ; valva calycina majore trinervi-glandulosa, ner- 

 vo uitermedio ad medium refracto-aristato; valva co- 

 rollina externa basi , margineque superiore l)arbata 

 Chlons monostacliya Michx. Ft. Dor. 'Jiner. 1. p. 59. 

 Ctenium Americanum Spr. Syst. i-eg. 1. p. 271 n ' 1 

 Knnt/i. En. 1. p. 27.i. n. \.,et Sup. vol.'i. p. 225 

 Jnn. Culmus teres, gracilis , glaber, sesquipedalis. Folia an- 

 guste Imearia, acuminata, sub vitro tanturn scabriiHcul i 

 arescendo convoluta . Vaginae striatae , sub vitro scabrin- 

 sculae ut folia, in ora prope stipulain su])riliatae . Stinnli 

 membranacea, brevis, truncata . Spica tcrminalis , solita- 

 ria, simplex, falcato-recurva, superne sensim sensimque 

 attenuata, densiflora, secunda, pallide luteola, basi brevi- 

 ter barbata, locustis subsexfloris , polygamis, biseriatis, 

 imbricato-patulis . Racliis dorso convexa , et nervo obtuso 

 dirempta, nuda, antice subcanabculata , et locustifera, sub 

 vitro tota scabrida. Gluma calycina bivalvis, valva altera 

 niim.ta, albo-membranacea, altera majore, herbacea , o))- 

 ongo-lanceolata, acuminato-attenuata , integra, canalicu- 

 lata, scabra praesertim superne, trinervi, nervis pellucide 

 glandulosis, lateralibus crassioribus , intermedio tenuiore, 

 ad medium valvae desinente in tu])erculnm, a quo oritur 

 arista, fere borizontaliter refracto-patens , simplex, scabra. 

 rehquum valvae plus minus superans. Valvae corollinae 

 externae flosculorum inferiorum basi, et margine supe- 

 riore albo-barbatae , apice integrae, vel emarginatae, pau- 

 o infra apicem emittentes aristani simplicem, erectam, sca- 

 bridam, m flosculo intermedio liermapbrodito longiorem . 

 in reliquis masculis, aut ncutris multo breviorem , quae in 

 supremis subinde deficit. Flosculi superiores margine bar- 

 ba destituti, et basi tantum barbati . 

 Michauxius in cl.aracterlbus bujus speciei recte statuit val- 

 vain calycinam majorem esse e medio dorso patule aristataiu ; 

 T- "• 76. 



