300 OEDER XLIV. KOSACE^. 



Genus V.— SPIR^'x\. L. 11—2. 



(From the Greek speirao, to become spiral, in allusion to the fitness of the plants to 

 be twisted into garlands.) 



Calyx 5-cleft, expanding, persistent. Petals 5, nearly round. 

 Stamens numerous, exsert. Carpels 3 — 12, 1 — 3-seeded, dis- 

 tinct, or slightly united at the base, follicular, generally 2-valv- 

 ed. Shrubs or perennial herbs. Leaves alternate. Flowers 

 sometimes dioecious. 



1. S. opulifo'lia, (L.) a small shrub, -with tlie old bark detaching 

 itself. Leaves ovate, roundish, or subcordate, 3-lobed, doubly serrate, 

 glabrous. Flowers in terminal corymbs, numerous; pedicels iilifoim. 

 Carpels 3 — 5, inflated. Seeds obovate, shining, very bitter. — White. 

 "^ . June — July. Mountains. 3 — 5 feet. Nine Bark. 



2. S. salicifo'lia, (L.) A shrub, with slender, somewhat angular 

 branches, and slightly pubescent. Leaves lanceolate, sharply serrate. 

 Flowers in crowded, paniculate, terminal racemes ; segments of the 

 calyx lanceolate. Petals slightly unguiculate, shorter than the calyx. 

 Carpels 5, glabrous, united at the base. Seeds numerous. — White. ^ . 

 June — July. In wet places. 3 — 6 feet. 



Queen of the Meadow. Meadow-sweet. 



3. S. TOMENTo'sA, (L.) A shrub, with ferruginous, tomentose branch- 

 es. Leaves on short petioles, ovate or oblong, unequally serrate, 

 crowded, tomentose beneath. Flowers in numerous, dense, paniculate 

 racemes. Calyx tomentose, with reflected segments. Petals small, 

 hairy on the outer surface. Carpels 5, tomentose. Seeds few, subulate. 

 — Purple. June — July. Upper districts of Car. and Geo. 3 — 6 feet. 



Hardhack. 



4. S. loba'ta, (Murr.) Stem herbaceous, glabrous, striate, angled. 

 Leaves pinnate ; leaflets 3 — 5 — *7, the terminal ones large, 7 — 9-lobed ; 

 lateral ones 3-lobed, cuneiform; lobes serrate; stipules reniform. 

 Flowers in a very compound panicle. Sepals reflexed. Carpels 6 — 8, 

 glabrous. Deep rose-color. If. June — August. Near the mountains. 

 6—8 feet. 



5. S. Arun'cus, (L.) Stetn branching, herbaceous. Leaves tripinnate ; 

 leaflets lanceolate, oblong, acuminate, doubly serrate. Flowers dioeci- 

 ous, nvunerous, in paniculate spikes. Carpels 3 — 5, glabrous. — Wliiie. 

 i;. June— July. Mountains of Car. and Geo, 3 — 5 feet. 



Goat's Beard. 



The S-piraeas are cultivated as ornaments, and the bark of the S. tomentosa is pos- 

 sessed of tonic and astringent properties, and is used both in the regular practice and 

 families where such properties are demanded. In debility it has proved very service- 

 able. It is administered in decoction or extract. 



Genus VI.— GILLE'NIA. Moench. 11—2. 

 (From Gillen.) 



^^i/x 5-toothed, campanlilate, with the orifice contracted. 

 petals 5, inserted into the calyx, cuneate, lanceolate, very long. 

 Stamens 10 — 15, unequal. Carjjels 5; styles filiform; stig- 

 mas subcapitate. Seeds ascending, 2 — 4. Perennial herbs, 



