Piptatherum. qraminre 509 



vel apice sphacelatis Isevibus oblongo-lanceolalis acutis obscure quin- 

 quenerviis, flosculo glumis paulo breviore glaberrimo, glumella 

 arista ea breviore caducissima %. P. ccerulescens var. angustifotium 

 Regel Act. Petrop. VII. 



Hab. in pinetis vallis Kurrum Affghanise ad Biankhel et Alikhel (Aitch. 

 827etl9Q!). 



Foliorum radicalium vagina dilatata subcoriacea, lamina 1-1 Vi-poHicarls, 

 culmi cum panicula 1-1 Vj-pedales, spiculae 2 lineas tantum longte. Inllores- 

 centiA affine P. s-phacelato a quo foliis radicalibus, flosculo glaberdmo et 

 arista glumella breviore specifice distinctum videtui*. 



* * Caryopsis lanceolata. 



7. P molinioides (Boiss. Diagn. Ser. I, 7, p. 121) peretine ces- 

 pitosum, foliis scabriduiis valde striatis tenuiter tiliformibus convolu- 

 tis, ligula elongata truncata, culmis erectis saepe elongatis in pani- 

 culas contractas laxe spiciformes abeuntibus, ramis 1-2-nis brevibus 

 strictis, pedicellis strictis spicula majuscula subbrevioribus, glumis 

 pallidis vel apice purpurascentibus vel purpureo-nigris tenere mera- 

 branaceis quinquenerviis lanceolatis acuminatis, flosculo glumis ter- 

 tia parte breviore superne adpresse sericeo in aristam subsequi- 

 longam breviter exsertam abeunte 21. P. laterale Munro Mss. ex 

 Aitch. Gat. 



Hab. in siccis regtonis alpinje Kurdistanise Persicae ad montes Avroman et 

 Schahu 9-10000' (Haussk !), Persioe austro-occidentalis in monte Dalechani 

 supra Sungur, in montibus Ssebsekuh et in monte Kellal ad nives 

 12-13000' (Hausskl), in monte Kuh Daena ad fontem Tchesme Pias (Kv. 

 755!), in montibus Kerman (Bgel), in Affghanioe montibus Mesdclied (Bge lY 

 ad Kulloh et Siah Sung (Griff !), in valle Kurrum Affghaniie orientaUs 

 (Aitch. 947 !). 



Pedale vel sesquipedale interdam humilius, paniculre depunperata; ramis 

 brevibus 1-2 spiculas tantum ferentibus, spiculte 3-3 V» lineas longie. A 

 P. holeiformi et P. sphacelaio foliis tenuibus convolutis et inflorescentift 

 spicoeformi discedens. 



8. P. longearistatum (Boiss. et Haussk.) perenne, rhizomate 

 indurato breviter stolonifero, culmis elatis, foiiis linearibus subco- 

 riaceis demum subconvolutis, ligula brevissima truncata, paniculae 

 conlractse spiciformis ramis i-2-nis strictis ramulosis pedicellisque 

 brevibus scabridis. glumis viridibus subffiquilongis lanceolatis acumi- 

 natis carina scabris exteriore inferne 7-nervi, glumeilfE glumis bre- 

 vioris adpressissime villosfe arisla ea 2 Va-plo longiore recta %. 



Hab. ad rupes calcareas montium Avroman et Schahu Kurdistanioe Persica 

 €-9000' (Haussk !), 



Gaules 2-3-pedales. folia caulina 2 lineas lata, panicula seniipedalis stricta 

 ramis inferioribus sa^pe dissitis Glumoe fere tres lineas long», arista 7 lineas 

 longa. Species ad Lasiagrostidcm ob glurnellam longius et densius villosam 

 accedens sed ob aristam rectam nec supra basiu curvatam nec lortani A"p- 

 iathcro aptius aduumeranda. 



