Flora of the Pa/ousc Region 1 1 7 



commonly in three or more clusters: styles 2-5, usually distinct or 

 nearly so: capsule 1 -celled, with 2-5 parietal placentae: endosperm 

 none. 



190. HYPERICUM. 



Perennial herbs: leaves sessile, entire, punctate: flowers yellow, 

 in cymes: sepals 5: petals 5: stamens numerous: ovary 1 -celled, 

 with 3-5 parietal placentae, rarely 3-5-celled. 



Erect, 30-60 cm. tall: stamens 60 or more. H. formosum. 



Low, 5-15 cm. tall: stamens 15-20. H. axagalloides. 



H formosum var. scouleri Coult. Sterns erect, simple or branched above, 

 15-60 cm. high: leaves oblong-ovate, obtuse, half-clasping at base, 2-3 cm. 

 long, black-dotted on the margin: inflorescence a corymb, loose or rather 

 dense: sepals ovate-lanceolate, obtuse or acute: petals bright yellow, black 

 dotted on the margin, 1 cm. or less long: stamens numerous, in three 

 fascicles. Moist places, common. 



H. anagalloides var. nevadense Greene. Stems weak, erect or ascend- 

 ing, 8-15 cm. high: leaves pale and glaucous, ovate, obtuse, somewhat clasp- 

 ing, about 1 cm. long: cymes peduncled, loose, the branches elongated: 

 flowers small, not dotted, 6-8 mm. broad, dark-yellow: sepals unequal, lan- 

 ceolate, acuminate, in fruit much longer than the capsule. Forming loose 

 mats in springy places; not common. 



Family 49. ELATIXACEAE. 



Low annual herbs: leaves opposite, not punctate, with mem- 

 branous stipules: flowers minute, axillary, regular, symmetrical: 

 sepals 2-5, free: petals 2-5, hypogynous: stamens as many or 

 twice as many as the petals: ovary 2 5-celled, with a many- 

 ovuled axile placenta: fruit a capsule. 



191. BERGIA. 



Herbs or somewhat shrubby plants, branching, nearly erect, 

 often pubescent: leaves entire or serrate: flowers axillary, solitary 

 or clustered: parts of the flower in fives: sepals acute with a prom- 

 inent midrib: capsule crustaceous. ovoid, 5-valved; seeds numerous. 



B. texana Seubert. Annual, branched from the base, 4-20 cm. high: stems 

 erect or ascending, glandular-pubescent: leaves lanceolate, obovate or spat- 

 ulate, serrate, 1-2 cm. long, petioled: flowers in small axillary fascicles: 

 sepals acuminate, 3 mm. long, equalling the white or pinkish petals: stamens 

 5 or 10. Sandy banks of Snake River at Almota, very rare. 



Family 50. VIOL ACE. \E. 



Herbs: leaves alternate or basal, with stipules: flowers perfect, 

 axillary, nodding: sepals 5, hypogynous, somewhat irregular, 

 1 -spurred, of 5 petals: stamens 5, hypogynous: ovary 1 -celled, 



