526 GRAMiNEiE Calamagrost»^ 



10. C. sylvatica (Schrad. Germ. h p. 218 sub Arimdo} 

 radice repenle, culmis elatis rigidis, foliis elongatis linearibus acumi- 

 natis planis. ligula breviter oblong^, paniculae longae laxae saepe 

 interruptfc patentis demum contractae ramis brevibus ineequaiibus 

 strictis scabris, glumis sequalibus ianceoJatis acuminatis carina sca- 

 bris, glumelhe glumis subbrevioris pilis basilaribus ea quadruplo 

 brevioribus, arisla paulo supra basin inserta geniculata glumis duplo' 

 lon^iore, palea subbrevicre, rudimenti barba ilosculo triplo breviore 

 %. C. sylvatica D. G. Fl. Fr. V, p. 253. — Rchb. Germ. fig. 143. — 

 Agrostis anmdinacea L. Sp. 91. — C. arundinacea Roth Germ. 



Hab. iu subalpinis et alpittis sylvaticis, Macedonia in montibus Peristeri 

 et Athoiio 3800' (Orph!), Pontus Lazicus in valle Djimil 6000' (Bal!), regio 

 subalpiua et alpina Caucasi (G. A. Mey., Rupr I), Iberia (Eichw.). 



Ar. Geogr. Europa media a Norvegia anstrali et Succia ad Rossiam me- 

 diam et ab Hispania boreali ad regionfcm Danubialem. 



11. C. Munroi, glauca, caulibus elatis, foliis anguste linearibus 

 elon?atis rigidulis scaberrimis, ligula oblonga, paniculse confertse 

 angusla3 racemiformis ramis brevissimis strictis a basi floriferis 

 pedicellisque scaberrimis, glumis subcequalibus albidis lanceolatis 

 longissime attenualo-acuminatis undique scabris, glumella glumis 

 tertia parte breviore scabra apice bifida pilis basilaribus brevissimis, 

 arista paulo supra basin inserta geniculata longe exserta, palea glu- 

 melhe a?quilonga, rudimenti barba flosculo triplo breviore "^. 



Hab. ad Cliendtoi et Sikaram vallis Kurrum Affghauice (Aitch. 1251 !) 

 Planta 2-3-pedalis,paniculfe 3-4-pollicare3. Ab affini C.sijlvaticd sat differre 



videtur glumella glumisque undique scabris, hisce longissime acuminatis- 



fere 4 liueas longis. 



AMMOPHILA (Bost Gram. Auslr. IV, p. 24. — Psamma 

 Pal. de B.). 



Spiculcc uniflorre a latere compressae, flosculo hermaphrodito bre- 

 viter stipitato cum rudimento pedicelliformi flosculi sterilis. Glumse 

 bin?c membranaceae firma) subnequales infcrior unincrvia superior 

 trinervia. rilumella et palea suba^quilongfc consislentia glumarum, 

 illa basi barbata compresso-carinata quinquenervia apice" bidentata 

 etex sinu brevifer mucronata, palea bicarinata, squamulce bina?. Styli 

 breves, sligmata plumosa ad basin flosculi emergenlia. Caryopsis 

 oblongo-obovata facic interiori sulco exarata libera. — Herbje peren- 

 nes culmis validis elalis, floribus in paniculam longam contractam 

 spiciformcm dispositis. — Genus a Calamagrostide glumis glumellis- 

 que subcoriaceis pra^sertim dislinctum. 



1. A. arenaria (L. Sp, 121 sub Arundo) pcrennis cespitosa, 

 rhizomate indurato longe repenle pluricipiti, culmis validis elatis 



