202 



THE FLORA. 



1 s. 



2 S. 



5 S. 



6 S. 



8 S. 



9 S. 



10 S. 



b Flowers in panicles. Leaves lance-ovate 3, 4 



b Flowers in corymbs or little umbels. Leaves oval or ovate 5, 6 



opulifo'lia. Nine-hark. Leaves simple, 3-lobed. Corymbs umbellate. N. 

 sorbifo'lia. Sorb-lea-oed M. Leaves odd-pinnate. Flowers in panicles. 

 8 S. tomento'sa. Hard-hach. Lvs. with a rusty white dense wool beneath. 

 4 S. salicifo'lia. Wiiloiv-leamd. Lvs. nearly smooth. Shrub 3 or 4f. high, 

 corymbo'sa. Corymb very large, terminal, flat-topped. Height l-2f. S. 

 hypericefo'Ua. St. Peter^s Wreath, Little umbels many, lateral. Cultivated. 



7 Leaves once-pinnate. Inflorescence terminal, on a long stalk 8, 9, 10 



7 S. Arnn'ous. Goat's Beard. Lvs. thrice-pinnate. Fls. in slender spikes. M. 

 loba'ta. Queen of the Prairie. Flowers purple. Side leaflets 3-lobed. W. 

 filipen'dula. Dropwort. Fls. white. Lfts. pinnatifld-serrate. Gardens. 

 TJlma'ria. Meadow-sweet. Flowers white. Lfts. doubly-serrate. Gardens. 



Order LII. ONAGRA'CBJE. Evening Primroses. 



Seris with alternate or opposite leaves; and with the parts of tlje 

 flowers generally in 4's, sometimes in 3's, 2's, or I's ; with the 

 sepals united below into a tube, valvate in the bud ; the 

 petals and stamens inserted into the throat of the osljx; 

 ovary coherent with the tube of the calyx ; becoming in the 

 fruit a 2-4-celled capsule or berry with many seeds. 



, 1 



Mg. 458. Flower of OSiiothera fTOticosa. 9. Plan of the flower. Fig. 460. Section of the 

 4-celIed capsule of (E. biennis. 1. Hippuris vulgaris. 2. Its flower, wilh 1 stamen, 1 ovary, 

 ■2 style. 3. Vertical section of its l-seeded fruit. 4 Circffia Lutetiana. 5. The flower en- 

 larged. 6. Plan of the flower. T. 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, cfeo.) 2 



* Flowers 3-partcd, i. «., with 3 sepals, 3 stamens, &c. (no petals) g 



