323 
Walp. Rep. 3: 24; Gray*, Man. Ed. 2: 340; Ed. 5: 38r; Bot, 
Cal. 1: 541; Proc. Am. Acad. 10: 64; Syn. FL 2: part 1, 234; 
Wats. & Coult*., Gray, Man. Ed. 6 375; Coulter, Man. Rocky 
Mt. 270 (in part); Nutt. Trans. Am. Phil. Soc. (15)5: 193; 
(1834). Wood, Class-Book, 579 (1863); Bot. & Flor. 264 
(1873); Chapman*, Fl. So. U. S. 351; Coulter*, Cont. U. S. 
Nat. Herb. 2 : 300. 
P. amosa Mill. Gard. Dict. Ed. 8: no. 9; Willd. Sp. Lb 
1023. 
P. hirsuta Dunal, in DC. Prod. 13: part 1, 445. 1852; Darby, 
Bot. So. St. 451; not Mart. & Gal.t 
Alkekengi procumbens Moench, Meth. 2: 473. 1794. 
Stem generally diffuse or spreading, much branched, angled, 
often a little swollen at the nodes, villous-pubescent or sometimes 
nearly glabrous; leaves thin, 2-6 cm. long, ovate, acute or acumi- 
nate, at the base oblique, slightly cordate and generally entire, up- 
wards repand-denticulate or entire, pubescent, sometimes becom- 
ing nearly glabrous except along the veins; peduncles short, 3-5 
mm., or in fruit about I cm. long; calyx-lobes narrow but not with a 
subulate tip; corolla 5-10 mm. in diameter yellow with dark cen- 
tre ; anthers usually purplish; fruiting calyx membranaceous, 2-3 
Jong, pyramidal, ovoid-acuminate and more or less retuse at 
the 
From Pennsylvania and Florida to California; also in Mexico, 
Central and South America and India. Specimens from New 
Mexico, Arizona and Mexico sometimes have a little thicker leaves 
and longer petioles. They have been labelled P. montana by 
Prof. Greene, but can scarcely be distinguished from some eastern 
- forms. 
The following specimens have been examined : 
Maryland: Wm. M. Canby, 1863. 
Pennsylvania: S. W. Knipe, 1869; Porter, 1869. 
District of Columbia: J. W. Chickering; W. M. Canby, 1881. 
Virginia: G. Vasey, 1874; Wm. M. Canby, 1878. 
Georgia: Chapman, 1884. 
Florida: Chapman; J. Donnell Smith; A. P. Garber, 1877. 
Tennessee: A. Gattinger, 1887. 
Ohio: Wm. Cooper, 1828; Wm. C. Werner, no. 141,1 1888. 
*These references refer also Seege and P. fruinosa 
Bull. Brux, 12, 1: 132. 1 
