GNETACEiE (auctor parlatore). 
347 
Ordo CXCVI1L GNETACEIE (1). — Coniferarum pars Linn 
Phil, bot.p. 28. — Urticarum et Coniferarum pars Juss. Gen 
p. 406 el 411. — Taxinearum et Chlorantharum pars Bartl 
Ord. nat. (1830) p. 86 et 96. — Gnetaceae Blume nov. fom 
exposit. (1833) p. 23 et in Ann. dessc. nat. 2” e sir., 2.p. 101 
Lindl. in Bat. Reg. 1686 et Veg. Kingd.p.232; C. A. Mey. Ephedr 
p. 62; Endl. Gen. pi. p. 263, et Conif. p. 247; Carr. Conif 
edit. 2.p. 753; Pari. FI. ital.k. p. 98. — Taxinearum tnb. 
Ephedreae Spach Hist, des veg. phaner. (1842) 11. p. 290. 
Coniferarum tribus IV Gnetaceae Le Maout et Decaisne Trade 
gen. de bot. p. 539. 
Arbores aut arbusculae ramosissimse vel frutices sarmentosi, 
aut suffrutices hu miles, gummi translucidum saepe exsudantes. 
Truncus cortice saepe rimoso, ligno e cellulis porosis et interdum 
vasis areolatis vel spiralibusradiisque medullaribus composite, 
ramosissimus rarissime simplex et crassus. Rami oppositi yel 
fasciculati, nodoso-articulati. Folia opposita, late exstipulata, 
penninervia aut raro nervis parallelis notata, saepe ad vagmam 
minutam apice 2-4-dentetam, demum laceram reducta, denti- 
bus interdum in folium breve strictum abeuntibus. Flores di- 
oicivel monoid, raro polygami, interdum paleis setaceis laceris 
vel lilis articulatis (bracteolis) immersi. Amenta mascula soli- 
taria vel 2-pauca aggregata aut fasciculata, sessilia aut in pe- 
dunculo simpiici vel subramoso aut rarissime dichotonae ramoso 
solitaria, globosa vel cylindracea aut oblongo-cylmdracea. 
Bracteae plurimae, decussatim opposite, plus mmusve m mvo- 
lucrum (vagina Endl.) bilobum bifidumve aut m discum con¬ 
nate rarissime (in Welwitschiae amentis hermaphrodite) dis¬ 
tinct®. Bracteote 2, singulo flore insidentes simul connate et 
involucellum (Perianthium Blum. Hook. til. Pengonium sive 
vaginula Endl.) apice bilobum efformantes, rarissime (in Wei- 
ferresffls 
e fundo involucelli orta. Filamentum simplex vel apice bifidum 
vel filamenta basi in stipitem apice saepe ramosum aut basi in 
tubum coalita. Antherae biloculares, rarissime tnloculares, lo- 
culis contiguis vel in filamenti cruribus sejunctis, apice nma 
transversa demum poro dehiscentibus. Pollen ovale laeye. 
Amenta feminea solitaria vel 2-pauca, sessilia aut subsessilia 
aut in ramulo brevi vel longiusculo erecta, cernua vel pendula. 
Bracts paucae vel plurimae, decussatim oppositae, m mvolu- 
crum (vagina Endl.) bifidum bilobumve plus minusve aut ad 
basim tantum connate, plus minusve imbncatae, mferiores 
