POR TULACA CEA E. 385 



1. TALINUM Adans. (See Appendix.) 



Fleshy glabrous erect or ascending herbs, with alternate terete or flat exstip- 

 ulate leaves (terete and clustered near the base in the following species). Sepals 2, 

 ovate. Petals 5, hypogynous, fugacious. Stamens adherent to the bases of the 

 petals. Ovary many-ovuled; style 3-lobed or 3-cleft. Capsule ovoid, oval or 

 globose. Seeds numerous, borne on a central globose placenta. [Aboriginal name 

 of a Senegal species.] A genus of about 12 species, all but 1 or 2 natives of 

 America. In addition to the following, about 4 others occur in the western and 

 southwestern U. S. 



Flowers 10-16 mm. broad ; sepals deciduous. 



Stamens 10-30; capsule globose. 1. T. teretifolium. 



Stamens only 5; capsule oval. 2. 7\ parviflorum. 



Flowers 20-30 mm. broad; sepals persistent. 3. T. calycinum. 



1. Talinum teretifolium Pursh. Fame-flower. (I. F. f. 1426.) Perennial, 

 erect, 1-3 dm. high, leafy at the base. Leaves linear, terete, 1-5 cm. long, about 

 2 mm. wide, the base broadened and prolonged posteriorly ; scape-like peduncles 1-5, 

 terminal, branched, leafless, 0.7-1.5 dm. long; cymes terminal, loose; flowers pink, 

 12-16 mm. broad, opening for a day; sepals membranous, deciduous, ovate, obtuse, 

 4 mm. long, about half the length of the petals; style as long as the stamens; cap- 

 sule globose. 4 mm. in diameter; bracts of the cyme ovate or ovate-lanceolate. On 

 dry rocks, Penn. to Minn., Ga. and Tex. May- Aug. 



2. Talinum parviflorum Nutt. Small-flowered Talinum. (I. F. f. 1427.) 

 Perennial, similar to the preceding. Leaves terete or nearly so, rather more 

 slender, broadened at the base; scape-like peduncles slender, 0.7-2 dm. tall; cymes 

 loose; flowers pink, 8-10 mm. broad; sepals ovate, deciduous, acute or subacute; 

 stamens 5 (or sometimes fewer?); capsule 4 mm. high, about 2 mm. in diameter; 

 bracts slightly prolonged posteriorly. In dry soil, Minn, to S. Dak., Ark., N. Mex. 

 and Tex. May-Sept. 



3. Talinum calycinum Engelm. Large-flowered Talinum. (I. F. f. 1428.) 

 Perennial, erect from a thick root, 1.5-2.5 dm. high. Leaves nearly terete, 3-5 cm. 

 long, the base triangular-broadened, slightly prolonged posteriorly; cyme some- 

 what compound, scarious-bracted ; flowers pink, 2-3 cm. broad; sepals broadly 

 ovate, persistent, cuspidate; petals twice as long as the calyx; stamens 12-30; 

 style twice as long as the stamens; capsule globose-ovoid, about 6 mm. in diameter.' 

 In dry soil, Neb. and Kans. to Tex. June. 



2. CLAYTONIA L. 



Succulent glabrous herbs, with petioled basal leaves, and opposite or alternate 

 cauline ones. Flowers terminal, racemose or cymose. Sepals 2, ovate, persistent. 

 Petals 5. hypogynous, distinct, or slightly united by their bases. Stamens 5, in- 

 serted on the bases of the petals. Ovary few-ovuled; style 3-lobed or 3-cleft. 

 Capsule 3-valved, 3-6-seeded. Seeds compressed, orbicular or reniform. [In 

 honor of John Clayton, i686?-i773, American botanist.] About 25 species, mainly 

 natives of" northern N. Am. 



Upper leaves not connate. 



Perennials ; leaves linear, lanceolate, oval or ovate. 



Leaves linear-lanceolate, 8-17 cm. long. 1. C. Virginica. 



Leaves ovate-lanceolate or ovate, 5-8 cm. long. 2. C. Carolfniana. 



Annual, diffuse ; leaves spatulate or oblanceolate. 3. C. Chamissoi. 



Upper leaves connate, forming an orbicular disk. 4. C. perfoliata. 



1. Claytonia Virginica L. Spring Beauty. (I. F. f. 1429.) Ascending or 

 decumbent, perennial from a deep tuberous root; stem 1.5-3 dm. long, simple or 

 rarely with a few branches. Leaves elongated, linear, or linear-lanceolate, the 

 basal 2-12 cm. wide, the cauline shorter and opposite; raceme loose, somewhat 

 secund; flowers white or pink, with darker pink veins, 1-2 cm. broad; pedicles 

 slender, at length recurved; petals emarginate; capsules shorter than the sepals. 

 In moist woods. N. S. to the N. W. Terr., Ga. and Tex. March-May. 



2. Claytonia Caroliniana Michx. Carolina Spring Beauty. (I. F. f. 

 1430.) Similar to the preceding species but sometimes more nearly erect. Basal 



