SECHIOPSIS . CUCURBITACEÆ (AUCT. COGNIAUX). 909 
Herba Mexicana, alte scandens, ramosissima, dense frondosa, vix 
non glaberrima. Folia cordiformi-5-loba. Cirrhi inæqualiter 4-5-fidi. 
Racemi masculi pedicellis verticillatis, cum umbellula feminea coaxil- 
lares. Flores parvi, virenti-flavescentes. Fructus parvus. 
S. triquetra, Naud.!]. c. p. 24.— Sicyos triqueter Moc. et Sessé, 
lc, fl. Mex. ined. ex Ser. in DC. Prodr. 3, p. 309; Rœm. Syn. mon. 
pars 2, p. 104. 
« Planta plus quam 10-metralem, fronde copiosissima et intense 
viridi luxuriantem, caule pollieem humanum crassitudine excedente 
manifeste perennantem et eximie scandentem ostenderunt » (Naud.). 
Rami graciles, angulato-sulcati, glabri. Petiolus satis gracilis, tenui- 
ter striatus, brevissime sparseque pilosus, 4-12 cent. longus. Folia 
ambitu suborbieularia, angulato-5-lobata, rarius fere usque ad me- 
dium 5-lobata, 8-16 cent. longa et fere totidem lata, margine minu- 
tissime remoteque dentieulata, supra intense viridia et tenuiter punc- 
tato-scaberrima, subtus primum brevissime sparseque pilosa et sub- 
levia, demum scabra; lobi triangulares vel ovati, laterales acuti, 
terminalis multo major, aeuminatus; sinus basilaris subrotundatus, 
23 cent. latus, 1-3 cent. profundus; nervi tenues, utrinque leviter 
prominentes, duo laterales basilares bifurcati, imum sinum 1-2 mill. 
distantes. Cirrhi graciles, satis breves, glabri. Flores masculi in race- 
mum verticillatim interruptum conferti, subnutantes. Pedunculus 
communis gracilis, striatus, glaber, 8-25 cent. longus, 12-40-florus; 
pedicelli patuli vel reflexi, capillares, glabri, 5-12 mill. longi. 
Calyx viridis, glaber; tubus 10-striatus, 4-5 mill. latus; dentes 
Subulati, apice leviter recurvi, 1 mill. longi. Corollæ segmenta 
patula, deinde incurvata, late triangularia, 7-nervia, apice acuta vel 
Subobtusa, utrinque sparse papillosa, apice dense villosa, 4 mill. 
longa lataque. Staminum filamenta 2 mill. longa ; capitulum anthe- 
rarum 1 mill. longum, 1 !/,-2 mill. crassum. Umbellulæ femineæ 5-10- 
lore. Pedunculus communis gracilis, vix 1 cent. longus; pedicelli 
Capillares, 2-3 mill. longi. Calyx late campanulatus, 1 ‘/, mill. longus, 
Mill. latus; dentes */, mill. longi. Corollæ segmenta ovata vel 
ovato-oblonga, 2 mill. longa. Ovarium ovoideum, rostratum, glabrum, 
mill. longum, 2 mill. erassum ; stylus capillaris, rectus, 2*/, mill. 
longus, stigmatibus dilatatis reflexis */, mill. latis. Fructus ovoideo- 
Oblongus, sordide albus, tenuiter fusco nervoso-reticulatus, 18 mill. 
lóngus, 12-13 mill. latus, exocarpio membranaceo, endocarpio osseo. 
Semina 7 mill. longa, 3-4 mill. lata, 1 '/, mill. crassa. 
