LILY-OF-THE-VALLEY FAMILY 



455 



1. Unifolium dilatatum (Wood) Howell 

 Two-leaved Solomon's Seal. Fig. 1 1 16. 



MaiaiithcmuDi bifolinin dilatatum Wood, Pioc. Acad. Sci. 



Philad. 1868: 174. 1868. 

 Unifolium dilatatum Howell, Fi. X. W. Am. 1: 657. 1902. 

 U uifolium bifolium kaintschaticum Piper, Coiitr. Xat. 



Herb. 11: 200. 1906, in part. 



Stem arising from a slender rootstock. erect, 

 glabrous. 15-35 cm. high. Leaves of the sterile 

 shoots round-cordate. 5-10 mm. wide, on a slender 

 petiole 5-15 cm. long, the flowering stems with a 

 few sheathing scarious bracts at base, or the 

 uppermost bract produced into a small ovate leaf ; 

 leaves of the fertile stems usually 2, cordate to 

 sagittate with large rounded auricles, 5-10 cm. 

 long. 5-8 cm. wide, glabrous; petioles slender. 

 15-45 mm. long; raceme rather short-peduncled 

 25-75 mm. long, many-flowered ; pedicels spread- 

 ing 2-4 mm. long, usually in fascicles of 2-4; peri- 

 anth-segments 2-3 mm. long, oblong, obtuse, be- 

 coming refle.xed ; stamens shorter than the seg- 

 ments ; style stout. 1 mm. long, berry red. globose, 

 6 mm. in diameter, 1-4-seeded; seeds ovate, 

 brown, 3 mm. long. 



On moist shaded banks. Humid Transition Zone; 

 Alaska to Idaho, and in the Coast Ranges to Marin 

 County. California. Type locality: "from Astoria to The 

 Dalles," Oregon. 



7. DISPORUM Salisb. Trans. Hort. Soc. 1: 331. 1812. 

 [Prosartes D. Don. Trans. Linn. Soc. 1: 48. 1839.] 

 INIore or less pubescent herbs, with slender rootstocks. and branching stems, scaly below, 

 leafy above. Leaves alternate, somewhat inequilateral, sessile or clasping. Flowers terminal, 

 drooping, solitary, or few in a cluster, whitish or greenish yellow. Perianth of 6 narrow 

 equal separate deciduous segments. Stamens 6. hypogynous ; filaments filiform or flattened; 

 anthers oblong or linear, extrorse. Ovary 3-celled ; ovules 2 or sometimes several in each 

 cavity: style slender; stigma 3-cleft or entire. Berry ovoid or oval, obtuse. [Greek referring 

 to the 2 ovules in each cavity of the ovary.] 



About 15 species, natives of North America and Asia. Besides the following, 2 others occur in eastern 

 North America. Type species, Disforum pullum Salisb. 



Stigma 3-Iobed. 



Style woolly-pubescent to the summit. 



Style glabrous or only slightly pubescent toward the base. 

 Stigma entire. 



Anthers glabrous. 

 Style glabrous. 



Style pubescent below the middle. 

 Anthers pubescent. 



1. D. smithii. 



2. D. trachycarpuin. 



3. D. hookeri. 



4. D. oregaiium. 



5. D. trachvandruin. 



1. Disporum smithii (Hook.) Piper. 

 Large-flowered Fairy Bell. Fig. 1117. 



Uvularia smithii Hook. Fl. P.or. Am. 2: 174. /•/. 189. 1838. 

 Prosartes mcuciesii D. Don, Trans. Linn. Soc. 1: 48. 



1839. 

 Disforum mcn:iesii Britton, Bull. Torrev Club IS: 188 



1888. 



Short-wooly pubescent or almost glabrous, 3-9 

 dm. high. Leaves ovate to ovate-lanceolate, 5- 

 15 cm. long, narrowly acuminate, or the lowest 

 acute, rounded or slightly cordate at base, 3-5- 

 nerved; flowers 1-5; perianth gibbously truncate 

 and broad at base, the segments 6. 12-20 mm. 

 long, acute, nearly erect, creamy-white or some- 

 what greenish ; stamens two-thirds the length of 

 the segments; anthers glabrous; style about equal- 

 ling the stamens, wholly-pubescent. 3-cleft at the 

 apex ; ovary glabrous ; berry bright salmon red. 

 12-16 mm. long, oblong-obovoid, usuallv narrowed 

 at apex into a short wooly beak, triangular, 3-6 

 seeded. 



Moist wooded banks. Humid Transition Zone; Coast 

 Ranges from British Columbia to Santa Cruz County. 

 California. Type locality: "Nutka Sound." 



