56o 
AMERICAN JOURNAL OF BOTANY 
[Vol. 9, 
Calyx lobes acute or acuminate 
Flowers 5-9 mm. long, corolla lobes shorter than the tube 10. C. foetida. 
Flowers 2-3 mm. long, corolla lobes as long as or longer than 
the tube 
Scales narrow, oblong, bridged low, flowers purplish-red. ... 11. C. acutiloba. 
Scales ovate, bridged at about the middle, flowers not 
purplish-red 12, C. xanthochortus. 
2. Cuscuta grandiflora Humboldt, Bonpland, & Kunth 
(PI. I, fig. 6, A-D 
Cuscuta grandiflora Humboldt, Bonpland, & Kunth, Nova gen. et spec. pi. 3: 123 (97 in 
folio edition), t. 213. 1818. — Choisy, Mem. Soc. Phys. Hist. Nat. Geneve 9: 278. 
1841; and in DeCandolle, Prodromus 9: 457. 1845. — Engelmann, Trans. Acad. Sci. 
St. Louis 1 : 477. 1859. Not Wallich. 
Stems medium. Flowers 4-6 mm. long, pentamerous, yellowish but 
commonly with a darker band of color about the throat of the corolla, on 
pedicels mostly shorter than, or, less frequently exceeding the length of 
the flowers, in few- to many-flowered, loose, cymose clusters; perianth 
segments finely fimbriate with short, filamentous processes; calyx broad, 
about as long as the corolla tube; lobes triangular-ovate, obtuse, not 
overlapping; corolla shallowly and broadly campanulate; lobes upright to 
spreading, broadly ovate, overlapping, obtuse; stamens attached below the 
sinuses, not reaching the middle of the corolla lobes; anthers oval, shorter 
than the subulate filaments; scales none; styles subulate, stout, shorter 
than the globose ovary; stigmas comparatively small, flattened or globose. 
Capsule depressed-globose, circumscissile, with the withered corolla at its 
base, all parts of the ovary and capsule papillate; seeds 3-4 in each capsule, 
rough, roundish, 1.5-2 mm. long, hilum oblong. 
This is one of the most easily distinguished species because of the papil- 
late fruit and the large flowers lacking scales. 
Type locality: " Prope Santa Fe de Bogota," Colombia. Distribution: 
In the Andean region from central Colombia to northern Argentina. 
Specimens examined: Argentina: Prov. Catamarca, Dept. Andalgala (Jorgensen 
1420); Prov. Salta, Nevado del Castillo (Hieronymus and Lorentz 124). 
Bolivia: (Fries 128'/); La Paz (Bang 115, in part; E. W. D. and Mary M. Holway, 
March 21, 1920, March 31, 1920; Buchtien 2g46, 4501, and in 1912); between Palca and 
La Paz (Pflanz 40, 454); Sorata (Williams 2Sq6; Mandon 1479, 1499; E. W. D. and Mary 
M. Holway May 3, 1920; Weddell 4518); Unduavi (Buchtien 460, 752; Rusby 2002, 
2003); Pelechuco (Williams 24po). 
Chile: (Edmonston). 
Colombia: (Humboldt, a fragment believed to be part of the type, in the Engelmann 
Herbarium; Voyage de J. Triana, 1851-57) ; Bogota (Holton Goudot). 
Ecuador: Latacunga (Holmgren 594) ; Ambato (Pachano 140). 
Peru: (Gay); Dept. du Cuzco (Weddell 4768). 
3. Cuscuta brevisquamata n. sp. 
(PI. I, fig. I, A~E) 
Stems medium. Flowers 4-5 mm. long, on pedicels mostly longer than 
the flowers, in loose, few-flowered, umbellate or cymose clusters; calyx loose 
and spreading from the corolla; lobes triangular-ovate, obtuse, not over- 
The plates referred to will be found at the end of the second paper of this series. 
