MICROSECHIUM . CUCURBITACEÆ (AUCT. COGNIAUX). 911 
lobis triangularibus ovatis oblongis vel lanceolatis, acutis vel acumi- 
natis, intermedio longiore, lateralibus interdum obtusis, exterioribus 
brevissimis; sinus basilaris rotundatus vel angustus, 2-3 cent. pro- 
fundus. Cirrhi satis graciles, suleati, glabri vel puberuli. Pedunculus 
communis masculus suleatus, leviter villosus præcipue ad apicem, 
10-30-florus, 5-25 cent. longus; pedicelli filiformes, patuli vel reflexi, 
!/,-1*/, cent. longi. Calyx sparse pilosus, tubo 4-5 mill. lato, dentibus 
1-2 mill. longis. Corolla 8-11 mill. lata, sparse punctato-glandulosa, 
segmentis 5-nerviis. Staminum filamenta gracilia, glabra, 2 '/, mill. 
longa, ultra medium connata, apice radiata; antheræ suborbiculares, 
1 mill. longæ. Pedunculus femineus 1-2 cent. longus, apice 2-5-florus. 
Fructus ovoideus, obscure angulatus, spinulis erectis 2-3 mill. longis 
basi incrassatis armatus, 12-16 mill. longus. Semen albescens, 10-12 
mill. longum, 8-10 mill. latum, 2-2*/, mill. erassum. 
In Mexico (Pavon; Mehédin ; Schaffner n. 338; Ehrenberg n. 1082); 
prope Oaxaca, altit. 2300-2700 metr. (Galeotti n. 1880, 1887); ad 
Real del Monte, altit. 2500 metr. (Galeotti n. 1900); prope Toluca, 
altit. 2700 metr. (Heller n. 414 in herb. Vindob.); ad Tezuitlan 
(Mehédin); prope Mexico (Schmitz n. 443); ad Texeoco (Bourgeau 
n. 301); ad Guadalupe (Bourgeau n. 783; Hahn n. 104); ad Pédrégal 
(Bourgeau n. 621, 621bis); ad mont. Orizaba, altit. 3000-3300 metr. 
(Linden n. 435, 436 ; Galeotti n. 1895; Hahn; Liebmann n. 24, 25, 36, 
37, 42, 55, 62, 63); ad Santa Anna (Bourgeau n. 2984); ad Izhuatlan- 
cillo (Bourgeau n. 3051); in Guatemala, val. de Fuego, altit. 2400 metr. 
(0. Salvin in herb. Kew.);? in America centrali (Oersted n. 44, 45). 
2. M. palmatum; folis profunde 5-lobatis; cirrhis 5-6-fidis; 
peduneulo communi masculo robustissimo, multifloro, sæpius ramoso, 
ad basim bracteis 2-3, foliaceis munito; calycis dentibus corolla sæ- 
pius longioribus. — Sicyos palmata Moc. et Sessé! Fl. Mex. Ic. ined. 
tab. 355. — Sechium palmatum Ser. in DC. Prod. 3, p. 313; Rom. 
Syn. fasc. 2, p. 106. 
Caulis satis robustus, striatus, glaber vel puberulus. Petiolus cras- 
Sus, striatus, breviter puberulus, 2-5 cent. longus. Folia supra intense 
Viridia et breviter sparseque pilosa, subtus pallidiora et brevissime 
denseque villosa demum scabriuscula, margine denticulata, ambitu 
Suborbicularia, 8-12 cent. longa lataque, lobis oblongo-lanceolatis, 
acutis vel breviter acuminatis, intermedio longiore ad basim con- 
Strieto ; Sinus basilaris subrectangularis, 1*/,-2 cent. latus et profun- 
“uS, Cirrhi robustissimi, breves, striati, puberuli. Peduneulus com- 
