EREMOPYRUM SQ U A R R O SUM , Nob. (yar. lasiostachya.)
EREMOPYRUM, Ledeb. —Confer supra, p; 26.
, EREMOPYRUM SQUARROSUM, Nob.
T riticum squabrosum, Roth, NeueBeitr:, 1, p: 128. — Kunth, Enum. Gram., p.444. — Hohen., Enum. Plant. Talych.,
p. 19.
Triticom patulum, Willd., Enum. Horti Berol., vol. 1, p. i 34.
Secale pungens, Pers., Syn., vol. 1, p. 108..
T riticom Buon a partis, Spreng., Nachtr., p. 40. (Ex Kunth, 1.. c.)
T riticom planum, Desf., Cat. Hort. Par., edit, prior. (Ex Kunth., 1. c.)
A groptrom patolom, Trin., Fund., p. i 5a.
Agropyrum SQUARROSUM, Link, Enum. HortiBerol., vol. i ,p .32.— Rcem.et Schult., Syst. — Car.Koch, Beitr.,fasc. 1, p. i 38.
T riticum K otschtanum, Boiss.! in Kotschyi plant, exs. Persiae bor., edit. Hohenacker, anno 1846, n° 12. (Varietas spicis
hispidulis.)
Annuum. Spica ovata v. ovali v. oblonga, hirsuta v. hispidula v. saepius glabella. Spiculis 3-5-flo-
ris, ovato-v. oblongo-lahceolatis. Glumae valvis floribus infimis brevioribus, oblongo-lanceolatis,
apicesensira angustatis subulato-aristulatis v. mucronatis (simulac florum palea-e teriori enerviis v. obsolete uni-nerviis. xterna), latere ex-
Radix fibrosa; fibrillis subcapillaribus, lanulosis. Caules 2-7 pollices longi, graciles, teretes, striatuli, glabri v. inprimis ar-
ticulo summo lanulosi aut retrorsura puberuli, internodiis inferioribus geniculatiet plerumque decumbent es; articulo sumrao
arrecto, stricto, demum plus minusve elongato (haud raro 3-5 pollices longo) et exserto. F olia glabra v. hirtella, nervis et
margineplusminusvescabrav. laevigata, plana,lineari-lanceolata, infimaelongataet angusta, superiora brevioraet latiora, apice
hrevesubulata. V agine glabrae v. orepilosae, laevigatae, involute,' summae plus minusve ventricose et laxe, inferiores adpresse.
L igula truncata v. lacera, brevis, membranacea. Spica 1/2-11/2 pollicem longa, 6-1 olineas lata, e spiculis i2 -i5 v.saepe pluribus
( ^°) coroposita, stricta, erecta, densa, modo glabella v. breve hirtella, modo conspicue hirsuta. Rhachis glabra v. lanulosa,
marginibusplerumqueaculeolata, ardculationibus fragilis; internodia 1/2-1 lineam longa. Spicule 5-6 lineas longse, patentes,
plerumque 3-v. 4-florae, rarius 5- florae; floribus approximatis-, plus minusve divergentibus (inprimis spicula fructifera), nunc
omnibus brevius v.longiusaristulatis, nunc infimis subexaristatisv.brevius quam superiores aristatis. R hachilla gracilis, nunc
glabra, nunc hispidula. Glume valve 3 1/2-6 lineas longae, 1/2-1 lineam latae, albidae cum fascia viridilongitudinalijuxtanervum-
carinalem (demum stramineaev. violascentes),plusminusve divergentes, papillulosae, carina marginibusquesetoso-ciliataev.setulis
crassis brevissimis quasi aculeolatae, facie glabrae, dorso modo glabrae, modo setulis brevibus plus minusve hirtellae modo setoso-
hispidae, ad nervum-carinalem utrinquecanaliculate, apice nuncmucronato-subulatae, nunc in aristulam rigidam scabram raro
ultra sesquilineam longam productae, marginibussubmembranaceo-attenuatae, latereexterno enervio v. uni-nervio v. raro obsolete
binervio, latere interno semper uninervio, costa-carinali sectione transversa dorso rotundata ventre attenuata. Glumelle palee
papillulosae. Palea- externa 5-7 lineas longa (gluma nunc vixtrientenunc subdimidio longior), oblonga v. oblongo-lanceolata,
sensim acuminata, apice nunc mucronata nunc longius subulata in aristulam 1-2 lineas longam tenuem rigidam scabram rectam
v. subrectam producta, facie glabra, marginibus costaque carinali aculeolato-v. setoso—ciliata, dorso simili modo ac glume
valve nunc glabra v. glabella nunc hirtella v. setosa. Palea- interna subtriente brevior palea-externa (hujus aristula preter-
missa), lanceolato-oblonga, glabra v. sparse puberula, apice inequaliter exciso-bicuspidulata, carinis anguste marginatis ser-
rulato-ciliolatis. Squamule-htpogyne oblique obovate, subacuminate, minute, basibus concrete, a medio ad apicera marginibus
fimbriato-hirsute. Stamina bene asservata non vidimus. Ovarium stipitulatum, clavatum, vertice hirsutum. S tigmata
a basi plumosa. Caryopsis 2-21/2 lineas longa, palea-interna adherens, brunnea, teretiuscula, lineari-oblonga, obtusa, sulco
ventrali profundo exarata (sectione transversa cordato-subrotunda), vertice lanulosa, cetero glabra. Embryo Hordeacearum
{Exam. s. sp.)