272 THE FLORA. 



1 S. gentianoi'des. Gentian G. Leaves linear, rigid, longer than the internodoa. . 



Flowers 8-10-parted, bright flesh-color, clustered. S. 



2 S. chloroi'des. Ghlora G. Leaves lanceolate. Branches few, alternate, each 



bearing at top a solitary, 7-12-parted, bright purple flower. E. 



3 S. ealyoo'sa. Cup G. Calyx leafy, as large as the 5-6-parted corolla. S. 



4 S. panicala^ta. Panided, Q, Sepals linear, half as long as 5-parted cor. S. 



6 S. gra'oilis. Sleiider G. Leaves ovate to linear. Sepals bristle-form, as long as 



the corolla. M. 6. 

 6 S. Etella'ris. Starry G. Leaves lanoe-obovate. Sepals linear, much shorter than 

 corolla. 0, 

 1 & corymbo'sa. Gorymled G. Leaves lanceolate, 3-veined. Calyx segments 

 linear, thrice longer than its tube, half as long as the corolla. N.-J. S. 

 8 S. macrophyt'la. Leaves 5- veined, cusp-pointed. Sepals shorter than calyx 

 tube. S. 

 9 S. angnlaris. Angled G. Stem square, with winged angles. Leaves ovate, 

 clasping, 5-veined. Flowers many, rose-red, the star greenish. Wet. c. 

 10 S. brachia'ta. Prairie G. Stem square, slender, joints 2-4 times Ipnger than the 

 sessile, lance-linear leaves. Panicle oblong. Corolla 6-parted, the star 

 yellow. W. S.- 



Order XCVI. APOCYNACB^. Dogbanes. 



Pla/nts with a mi\kj juice, entire and mostly opposite leaves; 

 flowers 5-parted and regular, with the corolla twisted in the bud ; 

 stamens 5, with distinct filaments, anihers sometimes -slightly united ; • 

 ovwries 2, distinct, hut with their stigmas united at top of the styles ; 

 fruit 2 follicles containing several or many albuminous seeds. 



Analysis of the Geneva. 



* Herbs erect, 2-4f. high, the flowers in cymes a 



* Shrubs twining or trailing, with opposite leaves b 



* Shrubs erect, 3-6f high, with the leaves in whorls of S c 



a Cor. bell-shaped, whitish. Style none. Sds. silky. Dog'i-bwne. Apoo'yntJm, 1 

 a Corolla funnel-form, bluish. Style 1. Lvs. scattered. Amson. Amsd'hia. 



b Fls. solitary, blue. Throat 5-angled. Lvs. evergreen. + Periwinkle. Vin'oa. 



b Flowers in cymes, yellow, small. Lvs. petiolate. Wet. South. Foesteko'iha.. 

 c Leaves thick, evergreen. Flowers large, rose-colored. Oleander. Ne'kidm. 



APOO'YNUM. Dog's-bane. 



Stamens shorter than the corolla, arising from its base, and alternate 

 with 5 glandular teeth. Anthers arrow-shaped, cohering to the stigmas 



