1150 CC. GRAMINEJZE. [Agrostidec 
terminati, additis interd ;ipicul paribus v. spiculis singulis inferioribus secus 
ramulum dissitis. 
Species 1, peninsule Hispaniez incola. Beauv. Agrostogr. 15, (. 0, f. 7. Kunth, Rev. Gram, t. 914. 
mucronem reducta instructa; palea gluma minor. Stamina 1-3. Styli breves, distincti, 
stigmatibus plumosis. Caryopsis gluma paleaque tenuibus hyalinis vix rigescentibus 
inclusa, libera.—Gramina sepius annua, caulibus decumbentibus v. rarius erectis, foliis 
planis. Paniculz terminales, nunc densissi ipicifi lind spiculis sub aristis 
numerosis fere occultis, nunc majores irregulares laxioresque. Spicule sepius annulo 
pilorum brevium cinctze. 
apice arista tenui nunc longa basi torta medio iculata nune abbreviata recta v. ad 
Genus prius a Benthamio, ob pedicelli in speciebus typieis artieulationem, inter Tristegineas 
locatum ; in P. elongato, H. B. et, K. (Nowodworskya, Presl), tamen pedicelli sub spieula more generis 
i to-clavellati sed artieulatio indisti €t hse species Tristegineas quodammodo cum 
grostideis connectit et generis affini cum his lem vindicat. 
132. ? Aretagrostis, Griseb. in Ledeb. Fl. Ross. iv. 494.—Spiculse 1-floree, anguste pani- 
culatz, rhachilla supra glumas inferiores articulata, glabra, ultra florem non producta v. 
rarissime minute setifera, flore hermaphrodito. Glum:e 2 vacus, sub articulatione per- 
sistentes, parum inzequales, acuti le; b ; tertia florens subeequalis v. paullo 
longior, obtusa v. 3-dentata, sub D-nervis, nervis lateralibus tamen obscuris, exaristata ; 
palea glum:e :equalis v. sublongior, 2-nervis, obtusa v. obtuse 2-dentata. Stamina 2 vy. 3. 
Styli distincti, brevissimi, stigmatibus plumosis. Caryopsis oblonga, gluma paleaque 
membranaceis inclusa, libera.—Gramen perenne, cmspitosum, foliis planis. Panicula 
angusta, parum ramosa, scepius densa, spiculis quam in Agrosti majoribus. 
Species 1 per regiones arcticas v. subarcticas Europe, Asim et Americz late dispersa. Trin. 
Spec. Gram. t. 65 (Vilfa). 
Genus a Brownio olim dubie ad Colpodium relatum nobis Deyeuzie affinius videtur, Agrostideas 
tamen cum Pestuceis bene connectit. à 
193. Calamagrostis, Adans. et Auct. recent. (genus ex auctoris char. et syn. , Fam. Nat. ii. 
quaq di, dum).—Spiculze 1-florze, paniculatz, rhachilla supra glumas inferiores 
articulata, sub gluma florente annulo pilorum glumam superante instructa, ultra florem 
non producta v. rarissime minute setifera, flore hermaphrodito. Glumzm 92 vacuz, sub 
articulatione persistentes, anguste, carinatze, imi, parum inzeq ; florens multo 
brevior, tenuissime hyalina, 3-nervis, arista tenui dorsali interdum ad mueronem parvum 
reducta; palea parva, angusta, tenuissime hyalina. Stamina 3. Styli breves, distincti, 
stigmatibus plumosis. Caryopsis obovata, gluma inclusa, libera.— Gramina erecta, inter- 
dum elata, panicula nunc densa stricta, nune swpius laxe thyrsoid. ltispicul: 
Spiculis quam in 4grosti longioribus. 
Species ad 5, inter se non semper facile dignoscendas, per Europam et Asiam borealem et mediam 
late disperse, quarum una etiam in Africa australi Natalensi reperta, forte inquilina. —Beauv. 
Agrostogr. 16, 1. 5, f. 9. Kunth, Enum. Pl. i. 236 (excl. sp. n. 5, et 10 ad. 12). Host, Gram. Austr, 
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