Part 2, 1910] TROPAEOLACEAE 91 



rounded sinus, 5-lobed, the lobes obtuse or rounded, sometimes mucronate, the middle 

 lobe often furnished on both sides with a tooth or lobe, the remaining lobes on the outer 

 side only ; peduncle longer or shorter than the petiole ; spur yellowish-green, about 12 mm. 

 long, pyramidal, 5 mm. in diameter at the base, hooked toward the green apex ; sepals 

 obtuse, oval to ovate, 7-10 mm. long; petals exceeding the calyx, sulfur-yellow or orange, 

 the upper ones with a single tooth on each side of the claw which is marked with brick-red 

 veins, the blade ovate or even orbicular, irregulary lobed, the lower petals about 12 mm. 

 long, linear-cuneate, long-ciliate-toothed above on each side. 



Type locality : Peru. 



Distribution : Southern Mexico ; introduced from Peru. 



Illustrations: Jacq. Hort. Schoenb. pi. 98; Andr. Bot. Repos. pi. 597 ; Bot. Mag. pi. 1351; 

 Bot. Reg. pi. 718 ; Ann. Soc. Agr. Bot. Gand 2 : pi. 57 (as T. dipetalum) ; Bot. Jahrb. 15 : 224,/. ; 

 Engler, Pflanzenreich 4™ 1 : /. 10F ; Sweet, Brit. Fl. Gard. II. 2: pi. 1S4 ; Gartenflora 23: 14, /. 



