370 University of California Puhlkaiions in Botany [Vol.6 



and persist beneath the fruit. The species differs from the descrip- 

 tions of the genus in having four parietal placentae instead of three. 

 Collected on banks of arroyos near San Geronimo, Oaxaca. No. 7531. 

 Type, Herb. Univ. Calif. No. 187791. 



Sicyos sinaloae sp. nov. 



Caulibus sulcatis glanduloso-puberulis: foliis leviter vel profunde 

 5-lobatis, lobis acumiuatis margine denticulatis, supra puberulis, sub- 

 tus puberulis simul ad nervos minute setosis, sinu basilari ambitu 

 orbiculato diametro 1.5 cm. ca. 7 cm. longis, 9 cm. latis; petiolis ca. 

 1.7 cm. longis dense breviter glanduloso-pubescentibus : cirrhis 5-fidis: 

 pedunculis florum masculorum ca. 3.5 cm. longis, glanduloso-puberulis ; 

 floribus minutis ; corollis glanduloso-puberulis ; pedunculis fructif eris 

 ca. 1.5 cm. longis, dense breviter glanduloso-pubescentibus ca. 15 

 fructus in capvit diametro ca. 2.5 cm. gerentibus ; fructibus fere sessil- 

 ibus, ca. 7 mm. longis, 4 mm. latis, utrinque acutis, primum setosis, 

 demum glabris crasse reticulato-rugosis atro-fuscis. 



This species has two leaf forms. One, collected at Cofradia, has 

 the leaves very slightly lobed. The other, collected at Culiacan, has 

 the leaves and the lobes narrowed at their base. Both forms have an 

 orbicular, almost closed sinus. The fruit is finally nearly black and 

 coarsely ridged. Collected in Sinaloa by T. S. Brandegee. Type, 

 Herb. Univ. Calif. No. 160717. 



Sicyos acerifolius sp. nov. 



Caulibus striatis glanduloso-puberulis: foliis majoribus latioribus 

 quam longis, ca. profunde 5-lobatis, lobis acumiuatis margine denticu- 

 latis, utrinque puberulis simul sparse minuteque setosis, ca. 19 cm. 

 latis, 12 cm. longis, basi sinu orbiculato vel ellipsoideo diametro ca. 

 4 cm. ; petiolis glanduloso-puberulis 2.5-3 cm. longis : pedunculis mas- 

 culis glanduloso-i)uberulis, ca. 18 cm. longis, i:)rope ad apices umbel- 

 lulis ca. 4 instructis ; pedicellis umbellularum usque ad 2 cm. longis ; 

 pedicellis floriferis sterilibusque ca. 8, 5-7 mm. longis : calycis dentibus 

 lanceolatis : corolla poculif ormi glanduloso-puberula, lobis triangulo- 

 {leutis; disco ad basin filamentorum diametro ca. 1.5 nun., rugoso; 

 antheris flexuosis congestis: pedunculis fructif eris glanduloso-pube- 

 rulis, ca. 2 cm. longis; fructibus 12-15 corapressis in caput diametro 

 ca. 2 cm. congestis, dense setosis setis ca. 2 mm. longis : cirrhis indivisis. 

 Flores feminei desunt. 



Collected at Cofradia, Sinaloa, by T. S. Brandegee. Type, Herb. 

 Univ. Calif. No. 160718. 



Sicyos silvestris sp. nov. 



Caulibus striatis fcn-e glabi'is: foliis angulatis nunc obscui'e lobatis 

 nunc margine integris, supra pustulatis interdum setis ])aucis instrue- 



