POA. 



GRAMINEAE. 773 



10. P. CATABROSODES C. Koch, Linnaea XXI. 406. f — Caespitflsa: fasciculi foliorum 

 cura caule florente vaginis inclusi; ligula ovata acuta ; rami paniculae bini, denique 

 horizontaliter patentes; spiculae subbiflorae; glumae lenues inaequales acutae; palea 

 in<crior ex parte inferiore pilosa, ex parte superiore diaphana, truncata et irregulariter 

 denliculata; palea superior oblonga, truncnta, denticulata, inferiorem aequans. — Cres- 

 ci. in summis montibus Ponticis. 



11. P. (ERAGROSTIS) PULCHELLA Parlatore, Atti della ottava riunione 586. f — Pani- 

 cula spicjformi laxiuscula stricta, ramis brevibus erecto-patentibus; spiculis 4— 6-flo- 

 ris; valvis calycinis corollinaque inferiore trinervi acutis, carina sub lente ciliato- 

 scabris, valva corollina superiore margine longe ciliata; culmo brevi gracili; foliis - 

 planis glabris, ligula vaginisque margine longe piloso - ciliatis. — (Parlatore in Hook. 

 Niger Flora 188. -j-) — In insulis ad Cap verd. 



12. P. (ERAGROSTIS) PILIFERA Scheele, Linnaea XXII. 344. + — Radix flbrosa. Cul- 

 mus tripedalis rigidus teres glaber laevis simplex. Vaginae striatae glabrae, ore bar- 

 batae. Folia plana striata longe subulato - acuminata parce pilosa, supra scaberrima, 

 subtus laevia, folium florale paniculam involucrans atque aequans. Panicula pedalis 

 et ultra diffusa capillaris ramosissima, axillae ramorum barbatae, ramulorum inferio- 

 rum parce pilosae. Rhachis tetragona glabra, rami pedunculique scabri , ramuli tor- 

 tuosi dissitiflori 2— 4-stachyi (flori). Pedunculi elongati capillares tortuosi spicula2— 4- 

 plo longiores. Spiculae purpurascentes oblongae acutae 5— 7-florae. Glumae acutae 

 carina scabrae subacquales. Palea inferior ovata trinervis acuta , dorso scabriuscula, 

 margine anguste albo - scariosa, palea superior ciliata. — Crescit in Texade in pratis 

 siccis elevalis prope Neubraunfels. 



13. P. DEBILIS Torr. mss. (? ?) ex A. Gray, Manual of the bot. of the North. Unit. Staates 

 596. — Culmo tenui tereti gracili 1'A— 2-pedali ; foliis culmeis 3—4 obtusis brevibus; 

 paniculae tenuis gracilis rarais geminatis vel ultimis ternis; spiculis 2— 4-floris (vix 2 

 lin. Iongis pallide virentibus); glumis acutiusculis glabris ; flosculis late oblongis obtu- 

 sissimis glabris, excepta basi parce araneosa. — Habitat in America boreali (NewYora, 

 Rhode island, Wisconsin). 



14 *P. SYLVESTRIS A. Gray I. c. 596. — Poa stolonifera Mhlnbrg. — Knth. 1. c. 36? 

 no. 244 (?). 



878. GL.YCERIA R. Br. 



(Knth. Enumer. I. 367, Suppl. 303. — Wlprs. Ann. I. 940.) 



1. GL. PEDICELLATA Townsend, Ann. of nat. hist. (2. Ser.) V. 105. f — Panicula sim- 

 plici elongata subsecunda, ramis simplicibus semper patenlibus , ultimis plerurn^ue 

 ternis, rhachi glabra; spiculis liuearibus; llosculis 7— 16-nis obtusis ; palea exteriori 

 oblonga, latitudine duplo longiori, apice integra vel irregulariter denticulato - crenata ; 

 antheris latitudine triplo longioribus; vaginis sulcatis. — Cambridgshire , Worce- 

 stershire. 



2. GL. ACUTIFLORA Torr. mss. (??) ex A. Gray , Manual of tbe bot. of the North. Unit. 

 Staates 594. — Spiculis 5 — 12 - floris paucis in panicula simplici dispersis; palea infe- 

 riore oblongo - lanceolata acuta, quam supcrior longe attenuato - acuta breviore. — In 

 Araerica borcali (rarius). 



880. REBOUIiEA Knth. 



(Knth. Enumer. 1. 368, Suppl. 305.) 



1. R. PENN8YLVANICA A. Gray, Manual of the bot. of the North 1'nii. StaatfK 591. - 

 Panicula longa gracili laxiuscula, ramis raceinosis subelongatis; gluma superiore obo- 



