MONOCOTYLEDONKS. 219 



GRAMINE^. 



54. Alopecurus alvinus, spica ovata, arista periantliii 

 glumam sericeam lateribus villosissimis subsequante, vagina 

 suprema yentricosa folio suo piano lanceolato triplo longiore. 



Alopecurus alpinus, Smith brit. S,_p. 1386. En^l. lot. 

 1136. Hooker scot. p. 22. Boem-et8chul.si/st.2,p.'212. 

 Br. in Boss voy. ed. 2, v. 2, jy. 191. (Ante, p. 177.) 

 HooJcer in Scoresbys greenl. 410. Bichardson in FranMins 

 journ.jj. 731. 



Alopecurus os&i\is, Knapp ffram. brit. lb. Hornem. in 

 Flor. Dan. 1565. 



Alopecurus antarcticus, Giesecke greenl. in Brewster s 

 edin. encyclop. 



Obs. Species (quam primus in Scotige monte Loch ny 

 Gaar anno 1794 legi) variat culmo, qui ssepius adscendens, 

 erecto, spica oblongo-cylindracea, arista nunc gluma duplo 

 longiore, rarius nulla. 



A. antarcticus, Vahl syvib. 2, p. 18. Willden. sp.pl. \, 

 p. 357, ab. A. alpino diflfert spica ssepius cylindracea, arista 

 glumam bis superante, folio supremo linear! apice attenuato 

 vaginam suam superante v. sequante. 



A. pratensis L. distinguitur spica cylindracea, glumis 

 acutis latere tantum villosiusculis, arista glumis duplo 

 longiore, vagina suprema laxiusculfe cylindracea folium suum 

 lineare multoties superante. 



PHIPPSIA. [''dxxxv 



Phippsia (subgenus Vilfse) Trinius in Spreny. neue ent- 

 declc. 2, p. 37. 



Char. Gen. Gluma uniflora, abbreviata, insequivalvis. 

 PeriantJdum muticum, obtusum, imberbe; vahula svpe- 

 nore nervis sursum divergentibus. LodiculcB ,2. Stam. 

 1-3. Stigmata 2, sessilia. Caryopsis libera, teres, exsulca. 



Gramen pusilhm, aquatictom v. in inundatis nascens. 

 Culmi basi divisi. Polia plana ; vagina integra, ipso apice 



