Fossone a Prof. N accario, ex maritimis Hetruris ab
Eq. Prof. Savio , ex litore Romano a Prof. Sebastia-
Trio, Terracirja a F iorihia-M azzantia , ex Sicilia in
maritimis di Termini, Altarvilla, Mondello, Catan® ,
et Agrigenti, et ex insula Strongyle ( Stromboli) ab
Eq. Gussowio, ex Sardinia a Prof; Morisio, et ex Corsica
a Galeria a Soleirolio . Floret Majo, Junio.
Radix late repens, fibris descendentibus crassiusculis ,
longis, valde flexuosis, subinde densissime lanuginosis.
Stofones articulati, squamis aphyllis ad nodos obvolu-
t i . Culmi csespitosi § declinati, vel ascendentes , tere-
tes, crassi, striati, intus alba medulla farcti, vel to-
ti tecti, vel superne nudi , glabri, ab uno ad tres
pedes longi. Folia anguste linearia, canaliculato-con-
yoluta , rigida , acuminato-mucronata , intus fortiter
striata, et dense pubescentia, aut scabra, extus le-
viter striata, ut plurimum glabra, basi utrinque uni-
dentatR ob ampliorem oram vagins .Vagin® arct®, striata;
, nunc mollissime velutin®, nunc pube minutissima
scabrid® , sspe vero glabrae . Stipula brevissima, trun-
cata, erosula, plus minus puberula. Spica longa, ter-
minalis, laxjflora . Rachis articulata, glabra > striata ,
subflexuosa, internodiis hinc convexis, inde canalicu-
latis ad excipiendam locustam, in nodi? maturitate
fragilis . Locust® ante anthesim strictae, lanceolato-li-
neares, in athesi, laxatis flosculis, ovato-oblong®, di-
stichae, alternae , remotas, idest qua una desinit, altera
incipit, subinde tarnen paulo proximiores , praeser-
tim superiores, facie plana rachidi obversae, compres-
Sae, obtusae, narnero flosculorum, et longitudine vari®,
majores quinque-septemflor® , semipollicein , aut duas
tertias pollicis partes aequantes, minores gubtriflorae ,
quadrilineares.Yalvae calycin* cartilagine®, long®, la-
to-lineares, canaliculat®, obtus®, et s®pe retus® cum
mucronulo minuto, calloso in medio, multistriat®, gla-
fers, subsquales, margine albo-metnbranace®, locusta
parum breviores & idque minus in locustis paucifloris ,
quam in reliquis. Stipitulus communis flosculorum re-
motiuscule articulatus, flexuosus, vix puberulus. Glu-
jna corollina bivalvis, longa, mutica; valva ejus externa
cartilaginea, lato-linearis, canaliculata, septem-
nervis, glabra, aut vix nervis, et superne scabriuscu-
la , obtusa, aut retusa cum mucronulo minuto, calloso
in medio, ora apicis utrinque ciliolata . Valva interior
paulo brevior , angustior, obtusa, nervo viridi,
superne dense ciliato utrinque ad marginem inflexum
instructa , extus canaliculata . Anther® long® . Ne-
ctarii squam® semiovato-lanceolat®, acuminat®, cilio-
lat® . Tota planta glauca .
4. Triticum scirpeum : locustis cuneato-ovatis , remotis ;
ealycibus , valvaque corollina externa abscissis ; ra-
chide scabra, marginibus aculeolatis ; culmo fistuloso;
foliis involutis, subpilosis .
T. scirpeum Guss. FI. Sic. prodr. 1. p.itfl.,* et Suppl. 1.
p. 35.* Link. Hort. Ber. desc. a. p. 186.
Agropyrum scirpeum Presl. Cyp. et Gram. Sic. p. 49-
Ital. Grano rucolo mozzo.
Perenn. Habui ex Sicilia a Sferracavallo, e salinis pro-
pe Serra di Falco, et ex maritimis di Termini, turn
ex insula Cosyra ab Eq. G ussonio . Floret Majo, Junio
.
Radix in meis exemplaribus fibrosa, fibris crassiusculis ,
flexuosis, subsimplicibus, albidis, hue illuc dense pa-
bescentibus ; an stolonibus repat, ut habet Preslius 1. c. , vel subrepat, ut dicit Gussonius 1. c . , iguoro .
Culmi cæspitosi , erecti, vel ascendentes, sesqui-bipe-
dales , vel toti tecti, vel superne nudi y^teretes , graciles,
fistulosi , striati, glabri. Folia angusta, linearia,
canaliculato-convoluta, acuminato-mucronata, pungentia,
stricta, intus fortius striata, et scabra, margine
aculeolata, extus glabra , subinde pilosula , præcipue
inferne, basi utrinque aucta auricula membranaeea,
lineari, longiuscula, acuminata, puberula', sursum versa.
Vagin® arctæ, striât®, scabrid®, vel glabræ . Stipula
brevissima , truncata, integra , aut erosula , puberula
. Spica terminalis , plus minus longa, etiam
spithamæa, laxiflora, scilicet internodiis vel omnibus,
vel inferioribus locusta paulo longioribus, aut æquali-
bus, subinde tarnen, præsertim superioribus, quidquam
brevioribus . Rachis marginibus spinulosa, scaberrima,
reliqua parte externa scabriuscula . Locust® parv® ,
tri-quinquelineares , altern® , distich® , innupt® lan-
ceolat®, in anthesi cuneato-ovat® , compress® , tri-ss-
ptemflor® . Gluma calycina bivalvis, flosculis brevior,
paululum supra medietatem locust® tantum pertin-
gens, cartilaginea, val vis quidquam inæqualibus, linea-
ribus , canaliculatis, apice abscissis , sive horizontali-
ter truncatis, multistriatis, scabriusculis, margine al-
bo-membranaceis. Axis communis flosculorum tenuissi-
me puberulus .Valva corollina exterior oblongo-linearis,
Flot. Ital. T. I. 51