2 PALMS OF THE VALLEY OF THE AMAZON. 
Sag tence ad basin aculeis -002”--010™ nigris vel nigro-badiis, e basi 
albida ortis armati; vene utrinque-7-8. 
ab Ad Rio Padauiri, brachium fl. Ne egro. 
Var. 6. subpinnata (Trail hb. Palm., 63).— Folia bifurca veg ania 
bi 
latitudine aS 6-plo major) vel uno alterove latere bipinnata; pinn 
lanceolata (+22"--25" x -025™--080"); petiolus (vagina 15% 2 
*45™ subaculeata ; vene utrinque 7. 
: mazonas. 
Obs. 1.—This little Palm is very common throughout the whole 
valley of the Amazon in the forests seldom or never flooded by the 
rivers. It is subject to considerable variation in armature, number of 
veins in the leaves, &c., but the varieties are so intimately connected 
that they must be regarded as belonging to a single species. 
ao) Bs acanthocnemts, Mart., seems from the description in 
*‘ Palmetum Orbignianum,” p. 167, to be very close to, if not identical 
with my var. 8. (subpinnnata), but T “have not ventured to sink the 
name as a synon to specimens in the Kew Herbarium (de- 
termined by Grisebach) from Trinidad being somewhat di t 
The following, dese by Rod Nov., 
&c.) as new species, seem be forms of B. stmplicifrons, Mart., 
esc 
I quote the descriptions for the better elucidation of the subject, 
italicising the points in which they seem in any way to differ trom 
the t The numbers are those given by Dr. Rodriguez. 
: ‘B. ericetina (l.c.,. p. 26).—Stipite hamili, crassitie pennse 
anserin#, inermi; frondibus indivisis, lanceolatis, bifidis ; petiolo et 
Panis tomento fusco subrubro obsitis. AHab.—Ad ripas ericetas 
casa fluvii Jamunda. Floret in Septembri. (Barb. Rod. hb. 
alm., 353. 
“4. B. gr ant (.6.. -p. 27). cone homie inermi, erecto; 
frondibus isdiviek s (fo oii \ sonmicels), Ss ty cole 8-nervatis ; 
petiolo basi invaginante, oblique trun renoatic & aculeato ; spadice sim mplice ; 
spatha tenuiter aculeata ; rapa a turbinata’ SeaaEN "Habitu B. simpli- 
cifrons, M Hab.—In insula Apu y contra cataractas eju 5 fh 
nominis fluvio Tapajos sub umbris silvarum. Fructus maturescunt 
augusto. (Barb. Rod hb. Palm., 229.)” 
8. B. arenaria (1.c., 29.;—Stipite humili, inermi, vestito Vaginis 
_ persistentibus frondium gue sunt suberecte, indivisd aut interrupte 
pinnate ab uno latere, bifide cuneate; petiolo corn (vagina 
aculeata); spadice suberecto, indiviso ; spatha inermi. Hq). 
Sunda. sabulosis ad origines fluvii Hauincha, cat ites in flumen 
seis E 
deveription' is too brief Hoge certain 
hl: B ers (L.c., M52 —Stipite humili, arundinaceo ; 
frondibus indiviso-falcatis ; spadice bipartito, raro si implici ; drupa 
ploboso.turbinats, ee #ab.—In tractu ad cataractas fluvii Trom 
betas sito. Fruc cn erent Martio. (Barb. Rod. hb. Palm., 340.)” 
caudice arundinaceo ; foliis te pinnatis; pinnis 
jugis, lanceolatis, fuleato-eeuuiinatia (acumine longo, tenui), tenuibus, 
