125] NORTH AMERICAN AND WEST INDIAN CUSCUTA—YUNCKER 35 



tube, ovate, obtuse, upright to spreading; scales narrow, with rather short, 

 scattered processes, shorter than the tube, adnate for the larger part of 

 their length, bridged below the middle; stamens about half as long as the 

 lobes; filaments shorter than the oval anthers; styles longer than the small, 

 globose or ovoid ovary, becoming exserted. Capsule small, globose, 

 circumscissile, somewhat glandular, capped and surrounded by the 

 withered corolla; seeds about 1.5 mm. long, robust, compressed, one to 

 four in a capsule, oblique; hilum short, oval, oblique or transverse. 



Cuscuta corymbosa grandiflora Engelmann 



[Figures 24 a-e and 104] 



C. corymbosa grandiflora Engelmann, Trans. Acad. Sci. St. Louis, 1:483, 1859. — Progel in 



Martius, Fl. Brasiliensis, 7:377, pi. 126, fig. 2, 1871. 

 C. popayanensis Humboldt, Bonpland & Kunth, Nov. Gen. Sp. PL, 3:123, 1818. — Choisy in 



DC, Prodromus, 9:460, 1845— Engelmann, Trans. Acad. Sci. St. Louis, 1:483, 1859; in 



synon. 

 C. cymosa Willdenow in Roemer & Schultes, Syst., 6:205, 1820. — Engelmann, Trans. Acad. 



Sci. St. Louis, 1:483, 1859; in synon. 

 C. inclusa Choisy, Mem. Soc. Phys. et Hist. Nat. Geneve, 9 :275, pi. 2, fig. 2, 1841 ; and in DC., 



Prodromus, 9:455, 1845. — Engelmann, Trans. Acad. Sci. St. Louis, 1 :483, 1859; in synon. 

 C. patens Bentham, Bot. Voy. Sulph., p. 35, 1844. — Engelmann, Trans. Acad. Sci. St. Louis, 



1:483, 1859; in synon. 

 C. laxiflora Bentham, Bot. Yoy. Sulph., p. 138, 1845. — Engelmann, Trans. Acad. Sci.. 



St. Louis, 1:483, 1859; in synon. 



Flowers large (5-7 mm. long); anthers nearly or quite sessile; corolla 

 furrowed along the stamen attachment, particularly in the lower portion, 

 bulging between the furrows; scales set out on more or less of a ridge away 

 from the corolla in many specimens; capsule globose; calyx more than 

 half as long as the tube. 



Type locality: New Granada? Type not seen. Range: Central 

 Mexico south to Guatemala and Costa Rica. 



Specimens examined: Mexico: (Berlandier 1103, the type of C. inclusa, a specimen 

 of the type number in the Engelmann Herb., Hahn 18). Lower California; Magdalena Bay 

 (Bentham, the type of C. patens, a fragment of the type in the Engelmann Herb.). Jalisco 

 (Pringle 4331). Federal District; Valley of Mexico (Pringle 11306 or 1130C). Tepic; 

 Acaponeta (Rose, Standley & Russell 14329). Tamaulipas; Victoria (Palmer 56). Guerrero; 

 Acapulco (Bentham, the type of C. laxiflora, a fragment of the type in the Engelmann 

 Herb.). 



Gautemala: Alta Vera Paz (von Tiirckheim II 1547), Mazatenango (Kellerman 4591, 

 Bernoulli 59), San Felipe (Kellerman 5576), Acutima (Smith 1912), Solola (Kellerman 5916a). 



Costa Rica: (Tonduz 11750). 



Cuscuta corymbosa stylosa Engelmann 

 [Figures 24 f and 110] 

 C. corymbosa stylosa Engelmann, Trans. Acad. Sci. St. Louis, 1:484, 1859. 

 C. stylosa Choisy, Mem. Soc. Phys. et Hist. Nat. Geneve, 9:283, pi. 5, fig. 2, 1841; and in DC, 

 Prodromus, 9:459, 1845. 



Flowers shorter than in the preceding variety (4-5 mm. long). Corolla 

 cylindrical and slightly, or not at all ventricose; calyx not ordinarily 



