202 THE FLORA. 
b Flowers in panicles. Leaves lance-ovate....3, 4 
b Flowers in corymbs or little umbels. Leaves oval or ovate....5, 6 
1S. opulifo/lia, Wine-bark, Leaves simple, 8-lobed. Corymbs umbellate. N. 
2S. sorbifo’lia. Sorb-leaved UM. Leaves odd-pinnate. Flowers in panicles. 
8S. tomento’sa, Hard-hack. Lvs. with « rusty white dense wool beneath. 
4S, salicifo/lia, Willow-leaved. Lvs. nearly smooth. Shrub 8 or 4f. high, 
5 S. corymbo’sa, Corymb very large, terminal, flat-topped. Height 1-2 8. 
6 S. hypericefo/lia. St. Peter's Wreath. Little umbels many, lateral. Cultivated. 
7 Leaves once-pinnate. Inflorescence terminal, on a long stalk....8, 9, 10 
7S. Arun’cus. Goat’s Beard. Lvs. thrice-pinnate. Fls,in slender spikes. M, 
8S. loba’ta. Queen of the Prairie. Flowers purple. Side leaflets 3-lobed. W. 
9 S. filipen’dula, Dropwort. Fls. white, Lifts. pinnatifid-serrate. Gardens. 
10 S. Ulma/ria, Meudvw-sweet. Flowers white. Lfts. doubly-serrate. Gardens, 
Orver LIT. ONAGRA’CEA., Evening Primroses. 
Herbs with alternate or opposite Jeaves ; and with the parts of the 
flowers generally in 4's, sometimes in 3’s, 2’s, or 1's; with the 
sepals united below into a tube, valvate in the bud; the 
petals and stamens inserted into the throat of the calyx; 
ovary coherent with the tube of the calyx; becoming in the 
fruit a 2-4-celled capsule or berry with many seeds. 
Fig. 458, Flower of Gnothera fruticosa. 9. Plan of the flower. Fig. 460. Section of the 
4-celled capsule of GS. biennis. 1. Hippuris vulgaris. 2. Its flower, with 1 stamen, | ovary, 
2style. 3. Vertical section of its 1-seeded fruit. 4. Circa Lutetiana. 5. The flower ens 
larged. 6. Plan of the flower. 7. Vertical section of the 2-celled and 2-seeded fruit. 
Analysis of the Genera. 
* Flowers 4 or 5-parted (that is, with 4 or 5 petals, sepals, &e.)....2 
* Flowers 8-parted, i. ¢., with 8 sepals, 8 stamens, d&c. (no petals)....¢ 
