CAYAPONIA . CUCURBITACEÆ (AUCT. COGNIAUX). 749 
Rami satis robusti, angulato-sulcati, breviter pubescenti-scabri. 
Petiolus robustus, sulcatus, dense breviterque pubescenti-scaber, 
5-6 cent. longus. Folia supra pallide viridia, subtus cinerea, ad basim 
profunde emarginata et prope petiolum triangularia, 10-12 cent. 
longa, 12-13 cent. lata, margine minutissime remoteque denticulata : 
nervi satis robusti, utrinque leviter prominentes. Cirrhi robusti, 
elongati, profunde sulcati, breviter pubescentes. Flores majusculi, 
fascieulati vel in racemos breves androgynos paucifloros digesti. Pe- 
dunculus communis sulcatus, dense breviterque villosus, 4-10 cent. 
longus; pedicelli bracteolati, erecto-patuli, 4-8 mill. longi. Calyx 
pallide viridis, tubo 12-14 mill. longo, 14-16 mill. lato, intus subgla- 
bro, segmentis erectis, mucronulatis, 2 '/,-3 mill. longis, 6-8 mill. 
latis. Corolla anguste campanulata, extus dense breviterque tomen- 
tosa, intus papillosa; segmentis profunde ovato-oblongis, acutis, prope 
apicem dilatatis, 18-20 mill. longis, ad basim 8-9 mill. et prope api- 
cem 13-14 mill. latis. Staminum filamenta 10-11 mill. longa, ad me- 
dium tubi Calycis inserta; antheræ in capitulum 7 mill. longum, 
3-4 mill. erassum cohærentes. Pistillodium latum, trilobatum, 1-2 mill. 
longum. — Flores feminei quam masculi multo minores. Calycis tu- 
bus 4-5 mill. longus, 3 1/,-4 mill. latus, basi attenuatus; segmenta 
triangularia, 1 */, mill. longa. Corollæ segmenta 12-13 mill. longa, 
3 mill. lata, Ovarium ovoideo-oblongum, sparse breviterque villosum, 
1-8 mill. longum, 3-4 mill. erassum. Stylus filiformis, rectus, 12-13 
mill. longus; stigmata reflexa, 4-5 mill. lata. 
2, genuina. Folia profunde palmatifida, segmentis pinnatilobis ; 
flores masculi plerumque solitarii. 
In sepibus prope Santiago de Estero (Lorentz, sec. Griseb. 1. e.). 
P, breviloba, Griseb. in litt. — Folia leviter 3-5-lobata, lobis trian- 
gularibus, obtusis vel subacutis; flores racemosi. 
In Tecuman prope Siambra (Lorentz et Hieronymus n. 913 in herb. 
Gotting.) 
% €. palmata (Cogn. in Bull. Soc. bot. Belg. 17, p. 295); foliis 
suborbieularibus, supra glabris lævibusque, subtus breviter pubes- 
Centi-seabris, fere usque ab basim palmato-5-lobis, lobis oblongo-lan- 
veolatis; Cirrhis 3-4-fidis; calyce subglabro, tubo late campanulato, 
ASI acuto, segmentis triangulari-lanceolatis, basi subconniventibus, 
es paulo brevioribus; staminum filamentis brevissimis, ad basim 
leviter dilatatis villosisque. 
Rami profunde suleati, glabri vel subglabri. Petiolus 3-4 cent. lon- 
