166 
simplices, apice longe nudi, graciles, 3-nodes, nodo summo in V 3 
inferiore sito. Vaginae laxiusculae, internodiis multo breviores, gla- 
berrimae. Ligula ovata, obtusa, 3—4 mm. longa. Laminae lineares, 
acutissimae, planae, flaccidulae, virides, glabrae, subtus laeves, supra 
nervis scaberulae, margine scabrae. Panicula oblonga, patula, 
laxiuscula (ad 18 cm. longa 4 cm. lata), rhachi glaberrima, ramis 
3—5nis subcapillaribus scabris a 1 U inferiore vel (breviores) jam a 
basi divisis et spiculiferis, longioribus bis terve divisis, spiculis 
secus ramos subaequaliter dispositis, pedicellis spiculis aequilongis 
v. (in subterminalibus) iis duplo brevioribus clavatis fultis. 
Spiculae, dum clausae sunt, lanceolatae, 2 mm. longae, pallide 
virides: glumae steriles aequales, lanceolatae, acutae, 1-nerves, 
carina aculeolato-scabrae; gluma fertilis sterilibus paullo brevior, 
ovalis, truncata, apice obsolete denticulata, 4-nervis, dorso inferne 
scaberula, callo nudo, in medio dorso aristam exserens rectam 
gracilem circ. 3 mm. longam e glumis breviter exsertam. Palea 
gluma sua duplo brevior, ovalis, rotundato-truncata, obsolete binervis, 
antherae 3, oblongae, 0,8 mm. longae, albidae. Ovarium lineari- 
oblongum; caryopsis ?(immatura) lineari-oblonga, ventre macula 
hilari lineari fere caryopseos aequante notata. 
Ex affinitate A. albae L., quae differt rhizomate stolonifero, 
gluma fertili plerumque mutica, 3-nervi, palea quam gluma 1 U brevior, 
antheris fere duplo majoribus (1,5 mm. longis), caryopsi elliptica. 
N. 1226. Pam ir, by a spring by Djangarlik near tke river Pamir Daria. 
Alt. 3800“. Sept. 6. 1898. 
XIV. Apera Adans. 
27. A. interrupta Beauv. 
N. 153 a. Transcaspia, by Kunikud. May 10. 1898. 
XV. Calamagrostis Eoth. 
28. C. pseucLophragmites Baumg. 
N. 1035. Pamir, by tke lake Jaskil Kul. Alt. 3800“. Aug. 4. 1898. 
X. 1335 a. Pamir, prov. Wakkan, in tkickets by tke river Pandsk, by 
Langarkiskt. Alt. 3000“ Sept. 9. 1898. 
X. 1336. Ibid. 
X. 1369. Ibid. Sept. 9. 1898. 
