Genus 2, 



ST. JOHN'S-VVORT I'AiMILY. 



529 



sometimes projecl far 

 nuincruiis; styles 3~6. 



12 others 



liypogynous glands. Ovary i-cellcd, with 3-5 parietal placentae vvhicl 

 into llie cavity, or 3-5-celIcd (rarely 6-celled) ; ovules 00, generally 

 Capsule 1-5-celled (rarely 6-celled). [The Greek name.] 



About 210 species, of wide geographic distribution. In addition to the following, 

 occur in southern and western North America. Type species: Hypericidn perforatum L. 



Styles 5; large perennials; pods 5-celled. 



Flowers \'-2' broad; capsules 9"-io" long: plant licrljacctjus. i. 



Flowers 6"-i2" broad ; capsules j"-6" long ; plant shrubby. 2. 



* Styles 3 (rarely 4). 

 t Tall leafy shrubs. 

 Flowers numerous, 4"-8" wide ; pods completely 3-celled. 



Flowers 6"-8" broad ; pods 4"-6" long. 3. 



Flowers 4"-6" broad ; pods 2"-^" long. . 4. 



Flowers few or solitary, i'-2' wide ; pods incompletely j-celled. 5. 



tf Herbaceous, sometimes woody at the base. 



t Stamens numerous (15-40) ; flowers 3"-i2" broad. 

 Capsules i-celled or incompletely 3-4-celled. 



Capsules incompletely 3-4-celled by the projecting placentae. 



Leaves linear, i"-2" wide. 6. 



Leaves oblong, 3"-s" wide. 7. 



Capsules strictly i -celled ; placentae parietal. 



Styles united into a beaU, separate above ; stigmas minute. 

 Leaves linear or linear-oblong ; seeds transversely rugose. 



Nearly simple, erect ; pod globose. 8. 



Branched, decumbent : pod 3-sided. 

 Leaves elliptic; seeds minutely pitted and striate. 

 Styles separate ; stigmas capitate ; cyme naked. 

 Capsules completely 3-celled ; styles separate. 



Leaves linear or oblong ; sepals lanceolate ; introduced. 

 Leaves broadly oblong, oval or ovate-lanceolate ; native species. 

 Sepals ovate to ovate-lanceolate. 



Leaves obtuse ; sepals acute ; petals 2"-s" long. 

 Leaves acute; sepals acuminate; petals 5"-io" long. 

 Sepals lanceolate ; petals s"-?" long ; leaves obtuse. 



tt Stamens few (5-12) ; flowers 

 Leaves spreading or ascending, 3-7-nerved. 

 Cyme leafy-bractcd. 

 Cymes subulate-bracted. 



Leaves ovate, oval, oblong or lanceolate, s-7-nerved. 

 Leaves ovate, oval or oblong; capsule i"-2j4" long. 



Leaves obtuse ; sepals linear-oblong, acutish or obtuse. 

 Leaves acute, or only the lower obtuse ; sepals long-acuminate 

 Leaves lanceolate or oblong-lanceolate ; capsule 4"-5" long. 

 Leaves linear, obtuse, 3-nerved. 

 Leaves linear, erect, i-nerved. 



I. Hypericum Ascyron L. Great 



or Giant St. Johii's-wurt. 

 Fig. 2881. 



9- 



10. 



IS- 

 M- 



//. .-tscyrou. 

 If. Kahniaitum^ 



H. prolifirum. 

 II. dciisijlorum. 

 II, aureunt. 



H. galioides. 

 H, adpressum. 



IT. cislifolinm. 

 II. dolabriforme, 

 IT clTipiicum. 

 If. virgatum. 



II. perforatum. 



Tf. punciaium. 



H. pseudoiiiaculatitm. 



H. graveolois. 



-3" broad. 



16. /-/. borcale. 



17. H. mutiluiu. 



18. If, gymnanthnm. 



19. H. majus.. 



20. //. ciunideuse. 



21. TI. Drummondii. 



Hypericum Ascyron L. Sp. PI. 783. 1753. 

 Hypericum pyramidatum Ait. Hort. Kew. 

 3: 103. 1789. 



Perennial, lierbaceous, erect, 2-6 

 high, branching, the branches often 

 nearly erect, angled. Leaves sessile, 

 clasping, ovate-oblong or ovate-lanceo- 

 late, 2-5' long, F-i*' wide, obtuse or 

 acute; cymes terminal, few-flovvercd ; 

 flowers bright yellow, l'-2' broad ; pedi- 

 cels stout, i'-2' long; sepals ovate-lan- 

 ceolate, 4"-6" long, acute ; petals obo- 

 vate or oblanceolate. tardily deciduous; 

 styles usually 5, united below ; stigmas 

 capitate ; stamens nuinerous, united in 5 

 sets; capsule ovoid, 9"-io" long; cells 3. 



Banks of streams, western Quebec and 

 Vermont to Manitoba, south to Connecticut, 

 New Jersey, Pennsylvania. Illinois, Iowa, 

 Missouri and Kansas. Also in northern 

 Europe and Asia. July-Aug. 



