Fig. 608: Samolus ebracteatus: a, flower, x 8; b, capsule, x 8; c, seed, x 40. (Cour- 

 tesy of R. K. Godfrey). 



3. Samolus parviflorus Raf. Fig. 609. 



Plant light-green, glabrous, to 6 dm. tall, the stems simple or diffusely branched; 

 leaves obovate to spatulate or oblanceolate, sessile or narrowed into a winged peti- 

 ole, rounded to obtuse at apex, to 15 cm. long and 4 cm. wide; racemes sessile or 

 nearly so, the slender rachis straight or flexuous; pedicels filiform, spreading or 

 ascending, to 2 cm. long; calyx lobes ovate to triangular-ovate, acute, about as long 

 as or shorter than the tube; corolla white, 2-3 mm. broad; corolla lobes oblong, 

 rounded or emarginate at apex and longer than the tube; staminodia 5; capsule 2-3 

 mm. in diameter. S. floribundus H.B.K. 



In wet soils and about various types of wet rocks, along streams, in marshes, 

 about lakes and seepage areas throughout Okla. and Tex., w. to N. M. (Chaves 

 and Grant cos.) and Ariz. (Navajo, Coconino, Yavapai, Greenlee, Santa Cruz, 

 Pinal and Pima cos.), Mar.-Sept.; from Fla. to Calif, and Mex., n. to e. Can., 

 Mich., 111. and B.C.; also trop Am. 



4. Samolus vagans Greene. 



Stems mostly procumbent, stolonlike; basal leaves obovate to spatulate; cauline 

 leaves scattered along stem, oval to elliptic to somewhat obovate; inflorescence 

 few-flowered; pedicels spreading, lax, bearing a small bract near its base; calyx 

 lobes equal to or longer than the tube; corolla less than 3 mm. long. 



In wet sand in s.e. Ariz. (Cochise, Santa Cruz and Pima cos.), May-Oct. 



3. Dodecatheon L. 



Shooting-star. American Cowslip 



Scapose herbaceous perennial from slender to thick rhizomes or very short 

 caudices, often with small bulblets among the roots, glabrous to conspicuously 

 glandular-pubescent; leaves petioled, entire to dentate; flowers showy, 4- or 

 5-merous, borne in terminal involucrate umbels or sometimes single, on recurved 

 slender pedicels; calyx short-tubular, the lobes lanceolate; corolla showy, short- 

 tubular, the white to purple lobes long and strongly reflexed, the tube very short; 

 stamens connivent around the style; filaments short, free or connected by a mem- 

 brane; anthers long and slender, basally attached, dehiscent on the inner surface, 

 the connective prominent, highly colored, smooth to transversely rugose; style 

 slightly exceeding the stamens; stigma capitate, sometimes rather conspicuously 

 enlarged; fruit a 1 -celled capsule, valvate to the tip or the tip operculate with the 

 style and the walls valvate below; seeds numerous. 



1281 



