Palms of British Guiana. 235 
[E. regia, Kth : 
(See remarks on the previous species). ~\ 
Subtribe II. IRIARTEEiE. 
[Spadix flowering below the leaves ; spathes numerous. Flowers 
monoecious ; males symmetrical with broad imbricating sepals ; females 
with imbricating petals. Ovary entire, 3-celled, 3ovuled ; fruit 1 seeded 
with terminal lateral or basal stigmas. — Unarmed American palms, 
with wedge-shaped leaflets." Hooker.] 
Genus VI. IRIARTEA. 
" Flowers monoeceous, fruit a one-seeded berry of a yellowish-brown 
or blackish colour ; leaves pinnatisect; leaflets trapeziform, plicated, the 
outer edge truncate and inciso-serrate ; stem high unarmed." 
[/. ventricosa, Mart : 
According to SCHOMBURGK, this plant occurs in the 
Canakoo mountains, and throughout the sandstone re- 
gion, flowering in January.] 
Genus VII. SOCRATEA, Karst. 
[ " Perigone of female flowers 2-serial, outer entire, inner 3-phyllous 
male — ? Spadix produced among the leaves, simply pinnate ; 
2. Female flowers immediately 2. Female flowers under, or be- 
under the males. side, the males. 
3. Male flowers pale whitish, 3- Male flowers pink, 2| lines 
I \ lines long, stamens 6 only, long, stamen 6-9, dark-pink. 
w hj te 4. Dust-crystals in spathe copi- 
ous. 
4. Dust-crystals in spathe very 
little in quantity. 
5. Branches and branchlets of 
spadix much more numerous than 
■v Branches and branchlets of . M , _ , , 
. .in JNo. 1 and much less zig-zag. 
spadix lax, d.stinct, and very «g. g Leaflets shorUy deft ^ ^ 
=•' tips, folded, the rows with a wider 
6. Leaflets deeply cleft at their ang i e f divergence than in No. 1, 
tips, not folded, 6-8 inches shorter making the leaf more plumose, 
than those of No. 2. 7 . Mouth of the basal sheath of 
7. Mouth of outside basal spathe as wide as the part below, 
sheath of spathe constricted. 8. Trunk moderately stout, 
8. Trunk very stout, nearly cy- sub-cylindrical, uneven by slight, 
lindrical above the base, even ; irregular, contraction and expan- 
growth rapid. sion ; growth slow." 
GG 
