192 ^OSE ORDER 



Chrysosplenium Linne 1753 Golden Saxifrage 

 (Gr. chrysos, gold, splen, spleen) 



Sepals 4-5, united into an urn-shaped calyx, grown to the ovary, 

 petals none, stamens 4-10, ovary 1-celled, 2-lobed, styles 2, capsule 2-lobed, 

 2-valved above ; flowers tiny, greenish, solitary or clustered, axillary or 

 terminal ; leaves opposite or alternate, toothed ; perennial. 

 Stems 2-6 in. high ; leaves alternate, round, 1-3 cm. 

 wide; flowers 2 mm. wide C. tetrdndrum 



Fendlera Engelmann and Gray 1852 



(Named for Fendler, an American botanical collector) 



PI. 31, fig. 11. 



STepals 5, united, grown together with the ovary, petals 4, separate, 

 white, stamens 8, ovary 3-4-celled, capsule hard, splitting; flowers ter- 

 minal, solitary or in 3-flowered cymes ; leaves opposite^ entire ; shrub. 

 Stems 4-15 ft. high; leaves oblong, 1-3 cm. long; 

 flowers 1.5-2.5 cm. wide F. rupicola 



Heuchera Linne 1753 Heuchera 



(Named for Heucher, a German botanist) 



PL 31, fig. 6. 



Sepals 5, united into a saucer- or bell-shaped calyx, grown to the base 

 of the ovary, petals 5, white, green or purplish, often tiny, inserted on the 

 throat of the calyx, stamens 5, inserted with the petals, ovary 1-celled, 

 styles 2, capsule 2-beaked, 2-valved; flowers in panicles or racemes; leaves 

 mostly basal, simple, lobed ; perennial. 



1. Stamens projecting more or less 



a. Flowers in a dense cylindric spike; stems 4-10 



in. high H.-bractcdta 



b. Flowers in a panicle or a loose interrupted 



spike 



(1) Flowers in an open panicle; flower stalks 



smooth ; leaves 1-2.5 cm. long H. rube sc ens 



(2) Flowers in a spike-like panicle; flower 



stalks bristly hairy ; leaves 3-8 en: long H. hispida 



2. Stamens included in the calyx tube 



a. Calyx bell-shaped, whitish to pinkish 



(1) Petals none or minute; leaves and flower 

 stalks densely hairy ; leaf lobes with 

 round teeth H. ovalifolia 



