522 
DICOTYL. sed EXOGENiE. 
Ordo CC. CYCADACEAS (1). — Fijicum et Palmarum gen, Adans. 
fam. 2, p. 21, 25, — Filicum div. Ill, Juss. gen. p. 16, — 
Ordo inter Filices et Palmas, Vent. tabl. rbgne veget. 2, p. 68. 
— Filicibus aut Palmis? affines Juss. et Rich. rapp. a VlnsHt. 
15 messid. XI (1803 ) inPet. Th. hist, veg. (1804) p. 12. — Cytt- 
deee Pers. ench. 2 (1806) p. 630, aut (fide Kunth. in H. et B. m. 
gen.) Rich, in Pers. 1. c.; R. Br. prodr. Nov. Holl. p. 346; Rich, 
mim. Conif. et Cycad. p. 173, t. 24-28; Miq. rnonogr. Cycad. 
1 vol. in-fol. 1842, c, ic, 8, Ejusd. gen. et sp. Cycad. in linn. 
1843, e. 17, p, 675, addit, ibid. v. 18, p, 96, collect , nov. ib. V, 19. 
p. 411, t. 1-7, v. 21, p. 563, t. 6, Ejusd. prodr. Cycad. in-4° 
(1861); Regel in Bull. soc. nat. Mosc. 1857, v. 1, p. 163; Eichler 
in Mart, fl. bras. fasc. 34, p. 410, t. 108, 109. — Cycadaceffi 
lindl. nat. syst. ed. 1836, p. 312. — Cycadeacese Endl, gen, 
p. 70; Lindl. Veg. Kingd. p. 223. 
Flores dioid, in strobilos ebracteatos dispositi. Mascvli e 
squama strobili plana yel incrassata aut varie peltata, subtus 
(id est extus) polliginera constantes. Loculi numerosi, a basi 
squamae usque versus medium undique vel utroque latere 
nervi medii absque ordine approximati, genesi nondum sum- 
eienter cognita, evoluti superticie squamae sessiles aut brews- 
sime stipitati, elliptico-quadrati, rima longitudinali dehls- 
centes, saepius 3-4 stellatim conjuncti, raro discreti, pollen 
continentes. Grana pollinis materie ubi generata diu inclnsa. 
ellipsoidea, subangulosa, hyalina, tubo pollinico ipsa intima 
mteriore. Flores feminei e folio evoluto (spadix) aut saepius 
squama plana vel incrassata vel apice varie peltata constantes, 
m strobilo adpressi. Ovula aut plura secus stipitem spadicis 
utroque latere inserta, erecta, aut utroque latere squam® 
solitaria et tunc reflexa, omnia atropa (ut quidam aiunt 
orthotropa), sessilia et interdumbasiimmersa, rarius e f unicuw 
brevissimo pendentia, integumento simplici, apice versus mi- 
cropylen m tubum brevem attenuato, parte suprema nuclei 
serins exsiccatione in operculum deciduum mutata. Spadices 
vel squamae in strobilo maturo plus minus segregatae, interdum 
patenti-reflexae. Semina ovoidea, nunc subcostata, plerumque 
glabra et laevia, integumento tunc mutato, extus tenui et colo- 
rato, sub epidermide carnoso, et sub carne putamen non rau- 
amn praebente, unde semina quasi drupacea. Endospermium 
de mum (exsiccatione?) corneum. EJ" 
v 1 ® S8e .P lus unicus, exilis; radicula filo suspensory 
Sn rt fn n iL C< 7*i lniia J cotyledonibus 2, oblpngis, plerum^ 
. bfi apiceqoe disttnctis, medio etiam id g£ 
■ cobeerentibus, plumula distincta. w Arbores 
