lobi basales rotundi, late divergentes. Injlorcsojntia pluriilora, <. 
ramis lignosis enascons. PeriintUh'm ' 1-lahiatum, ocaudatun 
l tubo circiter 3 poll, longum ; tubus basi ventricosus, intus 
superne glandulis duabus magnis applanatis munitus, medio 
arete sursum flexus, in limbiim unilat.-ral.-m 2 2. 1 , poll, latum dila- 
tatus. Gynandrophorum 6-lobum, loins oblongis obtusis ad 
margines recurvatis. Anthrra lin.-aiv.- ..l>l.»ti-.. . (ulm -vnandro- 
phori parum breviores. Cajtsula circiter 1 poll. 1 >nga^ lineari- 
oblonga, obtusa, 6-valva. Semina circiter | poll, longa, oblonga, 
retusa, complanata, an^usic alata, dot-so couv.xa, ventre concava, 
nervo medio prominente signata. 
British Guiana. Demerara, Jenman, 09 15. 
Known to the Indians as " Boehari," which means "devil- 
367. Aristolochia (Gymnolobus) cousimilis, Masters [Aristo- 
lochiacea-] ; A. ruoiirlfnliu, Man. et Zuee., l.aii-1 dissimilis, ioliis 
autem basi nee dilatatis h peranibii limbo Miboi-biculari. 
Fruti'.r scandens, liirtus, eortice suberoso. Petioli | poll, 
longi; lamina" circiter .1 poll, longa-, 21, poll, lata, subcoriaceae, sup- 
erne glabrescentes, oblong.-..-, acuminata-, basi cot-data-, lobis rotun- 
datis parallels, f>-ii.-rvi-e, m-rvis s.-rundariis transversis parum 
rcmotis. Injlorrxmdia axillaris, gracilis, ad 2 poll, longa, bract. -is 
foliac.-is sparsis ovato-acuminatis pra-dita. Perinnthium l-labia- 
titm, caudatum, circiter 1} poll, longum, basi ventricosum, intus 
glabrum, inter partem ventricosam et partem tubiilosam lamina 
membranacea dellexa uno latere onustum, tubo parum curvato 
gracili cylindrico superne in limbum 1 labiatum suborbicularem 
circiter \ poll. diam. expansum. Gynamlruphori lobi oblongi, 
obtusi, ad margines revoluti. 
British Guiana. Demerara River, Jenman, 6916. 
368. Xanthosoma cordatum, N. E. Brown [Aroideao-Coloca- 
sieae] ; affinis X. blanch, Schott, sed foliis cordatis facile distiii- 
Folia magna, glabra ; petioli 2 pod. longi vel ultra, brunneo- 
violacei, ad apicem vaginati j lamina; usque 1| ped. longa?, 
H ped. lata?, cordata-, acuta-; lobi basales setniorhieulati ; 
nervi primarii laterales utriiuptc 0--S ; eosta- basales in sinu 
denudahe, quam lobi basal. -s triplo breviores, ad apicem 3-1 
ramosi et latere uno nervos primarios 3-4 etnittentes. Pcdun- 
rnfua 9-11 poll, longus, compressus, superne pallide virens, interne 
ferrugim-o-tinctus. Spall,, c tubus sub-lobostts, 1;| poll, diam., 
utrinque viridis, extra leviter pruinosus ; lamina 6 poll, longa, 
oblongo-cymbiformis, acuminata, extra llavo-virens, interne roseo- 
tincta, intus albida. Spadix quam spatha brevier; pars feminea 
I poll. longa, llavida ; pars neutra I • poll, lon-a, rosea ; pars mas- 
cula 3^ poll, longa, albida. 
from a plant cultivated at 
