1920.] NATURAL SCIENCES OF PHILADELPHIA. 159 



H. H. Smith 2544 (C, H, U, Y). (Plants small, largest .8 dm. 

 long, and in flower only, youngest leaves slightly undulate-lobed.) 



9. SCOP ARIA Linne. 

 Scoparia L., Sp. PL 116. 1753. 



Type species, S. dulcis L. 



1. Scoparia dulcis L. 



Scoparia dulcis L., 1. c. 116. 1753. "Habitat in Jamaica, Curassao"; 

 ex L., Hort. Cliff. 320. 1737. "Crescit in Curassao & Jamaica." No 

 specimens from Curasao seen but the plant here considered unquestion- 

 ably occurs there. 

 Capraria dulcis (L.) Kuntze, Rev. Gen. 459. 1891. 



Open soil, loam or sand, river-banks, fields, along trails and in 

 towns, at altitudes below 1500 meters, Tropical zone, doubtless 

 throughout lowland Colombia. Ranges throughout Tropical Amer- 

 ica, a weed of South American origin. 



Antioquia. Vuelta de Acufia on Rio Magdalena (sandy loam 

 shore, alt. 125-130 m.), Pennell 3790. 



Bolivar. Boca Verde on Rio Sinu (cacaotale, alt. 90-120 m.), 

 Pennell 4233; Buenavista, east of Since (open grassy place), Pennell 

 3991; Calamar (along Rio Magdalena, alt. 15-25 m.), Rusby & 

 Pennell 17; Vilches on Rio Sinu (loam, alt. 20-50 m.), Pennell 4713. 



Cundinamarca. Girardot (field, alt. 350-400 m.), Rusby & Pen- 

 nell 113; Pandi (open slope, alt. 900-1100 m.), Pennell 2816. 



Huila. Cordillera Oriental, east of Neiva (open foot-hill, alt. 

 700-1500 m.), Rusby & Pennell 400. 



Magdalena. Bonda (alt. 45 m., common weed in open places 

 below 900 m.), H. H. Smith 1330 (C, H, U, Y). 



Meta, Villavicencio (streets, alt, 525 m.), Pennell 1372, (road- 

 side, alt. 500 m.), Pennell 1572. 



Tolima. Libano (field, alt. 700-900 m.), Pennell 3426. 



Valle. La Paila, I. F. Holton 587 (Y). 



10. STEMODIA Linne. 



Type species, S. maritime/, L., of Jamaica. 



Stemodia L., Syst, Nat. ed. X, 1118. 1759. 

 1. Stemodia durantifolia (L.) Sw. 



Capraria durantifolia L., Syst. Nat. ed. X. 1116. 1759. ". . . Sloan. 



Jam. t. 174." Ex Sloane, Jam. 196. pi. 124. f. 2: -Grows in the sandy 



savannas [of Jamaica]." 

 Stemodia durantifolia (L.) Sw., Obs. Bot, 240. 1791. 

 Stemodacra durantifolia (L.) Kuntze, Rev. Gen. 466. 1891. 



Occurs in two color-forms, blue, and lavender or "pale-pink." 



