HELMONTIA , CUCURBITACEÆ (AUCT. COGNIAUX). 719 
tenuiter membranacea, supra læte viridia et tenuiter punctata, subtus 
pallide viridia levia et reticulata, terminale 10-12 cent. longum, 
5-7 cent. latum, lateralia 7-10 cent. longa, 3-5 */, cent. lata; nervus 
medianus satis robustus, subtus prominens, laterales tenues. Cirrbi 
glabri, graciles, elongati, striati. Pedunculus communis masculus gra- 
cilis, striatus, glaber vel leviter pubescens, arcuatus, 6-15 cent. lon- 
gus, fere usque ad basim floriferus ; pedicelli leviter villosi, ad apicem 
abrupte dilatati, 1-2 mill. longi, fasciculo minuto pilorum suffulti. 
Flores numerosi. Calycis tubus basi attenuatus, fauce valde dilatatus, 
subglaber, 8-9 mill. longus, ad medium 1-1 */, mill. et apice 3-3 */, 
mill. atus; dentes sparse pilosi, 2 mill. longi, 1 mill. lati. Corolla 
extus papillosa, intus breviter tomentosa, segmentis ovato-triangula- 
ribus, 5-nerviis, 3-4 mill. longis, 1*/,-2 mill. latis. Staminum fila- 
menta, 1-1'/, mill. longa; antheræ ovato-subrectangulæ, subemargi- 
Nate, glabre, 2-2 Y, mill. longæ, 1 mill. latæ. Pistillodium 2 Y/,-3 mill. 
longum. 
In Surinamiæ sylvis prope Geyersvliet (Kegel); in Surinamia supe- 
riore (Wullschlægel n. 1313 in herb. Brux.); ad Demerara (Parker in 
erb. Kew.). 
2. H. simplicifolia (Cogn. Diagn. Cucurb. fasc. 1, p. 44); foliis 
simplicibus, ovato-lanceolatis vel oblongis, apice acutis vel breviter 
acuminatis; calycis dentibus lanceolato-linearibus; petalis patulis ; 
staminum filamentis leviter pubescentibus, antheris æquilongis. — 
Cogn. in Mart. Fl. Bras. fasc. 78, p. 65, tab. 17. 
Caulis gracillimus, sulcatus, glaber. Petiolus gracilis, striatus, levi- 
ter pubescens, 1-2*/, cent. longus. Folia penninervia, integerrima, 
basi rotundata. vel leviter attenuata, tenuiter punctata, supra leete 
Subtus pallide viridia, 10-15 cent. longa, 5-7 cent. lata; nervus me- 
dianus satis gracilis, subtus prominens, laterales tenues, reticulati. 
irrhi graciles, elongati, leviter striati, glabri. Peduneulus communis 
Masculus gracillimus, striatus, glaber vel leviter pubescens, rectus vel 
Subrectus, 4-15 cent. longus, fere usque ad basim floriferus; pedicelli 
leviter villosi, ad apicem abrupte dilatati, 1-1 '/, mill. longi, fasciculo 
Minuto pilorum suffulti. Calycis tubus intus villosus, basi attenuatus, 
fauce valde dilatatus, 7-8 mill. longus, ad medium 1 mill. et ad api- 
Mae 27/,-3. mill. latus; dentes sparse pilosi, 2 mill. longi, '/,-*/, mill. 
lati, Corolla extus papillosa, segmentis ovato-triangularibus, 5-ner- 
"s, 3 mill. longis, 2 mill. latis. Staminum filamenta 2-2 '/, mill. 
longa ; antheræ ovato-rectangulæ, emarginatæ, papillas quasdam in 
