520 



SPIRJEACEjE. III. SPIR.EA. 



Alp Spiraea. Fl. June, Aug. Clt. 1800. Sh. 2 to 3 feet. 



35 S. PANICULA'TA (Willd. spec. 2. p. 1055.) leaves lanceo- 

 late, acute, sharply serrated ; racemes panicled, divaricate ; 

 bark of branches red. Jj . H. Native of North America, 

 Canada, and Newfoundland. S. alba, Ehrh. beitr. 7. p. 137. 

 S.salicifolia, var. y, paniculata, D. C. prod. 2. p. 544. Mill. 

 fig. 171. t. 257. f. 2. Flowers white, disposed in terminal thyr- 

 soid panicles. 



Panicled Spiraea. Fl. June, Aug. Clt. 16G3. Sh. 4 to 5 ft. 



36 S. TOMENTOSA (Lin. spec. p. 701.) stem and peduncles 

 clothed with rufous tomentum ; leaves ovate, somewhat doubly 

 serrated, densely clothed with tomentum beneath ; calycine lobes 

 tomentoseon the outside, triangular, deflexed ; carpels 5, tomen- 

 tose, divaricate. Tj . H. Native of Canada, and in many places 

 of North-west America on mountains. Camb. 1. c. p. 373. 

 Mill. fig. 257. f. 1. Schmidt, arb. 1. t. 51. Pluk. phyt. t. 321. 

 f. 5. Flowers small, of a beautiful red colour, disposed in dense 

 compound, terminal racemes. 



Tomentose Spiraea. Fl. July, Sept. Clt. 1736. Sh. 4 to 6 ft. 



37 S. MENZIE'SII (Hook, fl. bor. amer. p. 173.) branches 

 pubescent at the apex, as well as the peduncles and calyxes ; 

 sepals reflexed ; leaves elliptic, coarsely and unequally serrated 

 towards the apex, glabrous, the same colour on both surfaces ; 

 panicle crowded with flowers, oblong, obtuse ; flowers small, 

 stamens twice the length of the corolla ; ovaries 5, glabrous. 

 Tj . H. Native of North America, on the west coast. Flowers 

 rose-coloured. 



Menzies's Spiraea. Shrub. 



38 S. DOUGLA'SII (Hook, fl. bor. amer. p. 172.) branches and 

 peduncles pubescent ; leaves elliptic, coarsely and unequally 

 serrated towards the apex, clothed with hoary tomentum be- 

 neath ; panicle crowded with flowers, oblong, obtuse ; flowers 

 small ; stamens twice the length of the corolla ; calycine lobes 

 triangular, reflexed ; carpels 5, glabrous, shining. Tj . H. Na- 

 tive of the north-west coast of America, about the Columbia 

 and the Straits of Fuca. 



Douglas's Spiraea. Shrub 4 to 5 feet. 



39 S. CARPINIFOLIA (Willd. enum. p. 540. Wats. dend. brit. 

 t. 66.) leaves ovate-elliptic, acute at both ends, glabrous, coarsely 

 serrated ; racemes divaricate, panicled. fj . H. Native of 

 North America. Spirse'a salicif olia S, latifolia, Willd. spec. 2. 

 p. 1056. S. obovata, Rafin. but not of Walds. et Kit. Flowers 

 white. 



Hornbeam-leaved Spiraea. Fl. Ju. Aug. Clt. ? Sh. 3 to 6 ft. 



40 S. ARUEFOLIA (Smith, in Rees' cycl. vol. 33.) leaves ellip- 

 tic-oblong, toothed, pale, somewhat lobed, villous beneath ; 

 panicle large, branched, villous ; pedicels bracteate ; lobes of 

 calyx acute, spreading ; carpels 5, compressed, hairy. Tj . H. 

 Native of North America, principally on the north-west coast. 

 Flowers rose-coloured. 



Aria-leaved Spiraea. Shrub. 



41 S. CALLOSA (Thunb. fl. jap. 209.) leaves lanceolate, acutely 

 serrated, tapering to both ends, glaucous, smoothish beneath ; 

 corymbs terminal, compound, fastigiate, and are as well as the 

 calyxes villous ; stem and peduncles villous. Tj . G. Native 

 of Japan and Nepaul. S. expansa, Wall. Differs from S. sali- 

 cif olia, in the leaves being stalked. Flowers red. 



CaWous-leaved Spiraea. Shrub 4 feet. 



42 S. COSRULE'SCENS (Poir. diet. 7. p. 350.) leaves almost 

 sessile, lanceolate-oblong, entire, bluish ; panicles axillary, 

 branched ; sepals obtuse, shorter than the corolla. Tj . G. 

 Native of India. Cambess. 1. c. p. 374. Flowers white. 



Bluish-\ea.ved Spiraea. Shrub. 



43 S. DISCOLOR (Pursh, fl. amer. sept. 1. p. 342.) leaves ovate, 

 lobed ; lobules toothed, and somewhat plicate, clothed with white 

 tomentum beneath ; panicle pedunculate, much branched. ^ . H. 



Native of North America, on the banks of the river Koos- 

 koosky. 



Discoloured-]eave& Spiraea. Shrub. 



SECT. IV. SORBA'RIA (so named from the leaves being pin- 

 nate, resembling those of the mountain ash, Sorbui). Ser. in 

 D. C. prod. 2. p. 545. Spirae'a, spec. Lin. Camb. I.e. 1. p. 

 375. Ovaries 5, joined. Torus wholly lining the tube of the 

 calyx. Flowers hermaphrodite, disposed in thyrsoid panicles. 



44 S. SORBIFOLIA. (Lin. spec. 702.) leaves pinnate ; leaflets 

 sessile, lanceolate, opposite, doubly and sharply serrated ; pani- 

 cles thyrsoid. Jj . H. Native of Siberia, in bogs. Pall. fl. 

 ross. 1. t. 88. t. 24 Gmel. fl. sib. 3. p. 190. t. 46. Flowers 

 white, sweet scented. The hollow shoots are used for tobacco- 

 pipes in Siberia. S. pinnkta, Mcench. meth. 663. 



Sorbus-leaved Spiraea. Fl. July, Aug. Clt. 1759. Shrub 

 3 to 4 feet. 



45 S. PALLA^SII ; leaves pinnate ; leaflets sessile, ovate-lan- 

 ceolate, deeply serrated, almost pinnatifid, opposite ; flowers 

 corymbous. I? . S. Native of Siberia, on the high mountains 

 about Lake Baikle. S. sorbif olia, var. ft, alpina, Pall. fl. ross. 

 1. p. 34. t. 25. Flowers white, larger than those of the preced- 

 ing species. 



Pallas's Spiraea. Fl. July, Aug. Clt.? Shrub. 



SECT. V. ARU'NCUS (from apoyyoe, aroggos, a goat's beard). 

 Ser. in D. C. prod. 2. p. 545. Spirae'a species, Cambess. 1. c. 

 1. p. 376. Carpels 5, free, pendulous. Torus very thick, free 

 at the apex. Herbs, with tripinnate leaves, without stipulas, 

 and dioecious flowers. 



46 S. ARU'NCUS (Lin. spec. p. 702.) leaflets acuminated, ter- 

 minal ones ovate, lateral ones oblong ; flowers very numerous ; 

 carpels glabrous. 7/ . H. Native of Europe, in woods, as in 

 Germany, Carniola, Piedmont, Siberia, Kamtschatka, &c. 

 Camb. 1. c. p. 376. Pall. fl. ross. 1. p. 39. t. 26. Cam. hort. 

 26. t. 9. Flowers white, disposed in long spikes, forming a 

 terminal panicle. 



Far. ft, Americana (Michx. fl. bor. amer. 1. p. 294.) leaves 

 more shining ; flowers more loose on the spikes. 1. H. Na- 

 tive of North America. 



Goafs-beard Spirzea. Fl. Ju. Jul. Clt. 1633. PL 4 to 6 ft. 



SECT. VI. ULMA'RIA (from ulinus, the elm ; form of leaflets 

 of most of the species). Cambess. I.e. 1. p. 378. Ulmaria, 

 Mcench. meth. p. 663. Torus obsolete. Style clavate, retro- 

 flexed. Ovula 2, about the middle of each ovary, fixed to the 

 suture, and pendulous, Carpels hardly double the size of the 

 ovaries, erect, rarely twisted. Herbs with pinnate, stipulate 

 leaves and eymose umbels of hermaphrodite flowers. 



47 S. ULMA'RIA (Lin. spec. 702.) leaves interruptedly pin- 

 nate, white from tomentum beneath ; leaflets coarsely serrated, 

 terminal one the largest and 3-lobed ; sepals reflexed ; styles 

 elongated ; carpels glabrous, twisted. If.. H. Native of Europe 

 and Siberia, in meadows and bogs ; plentiful in Britain. Smith, 

 engl. bot. 960. Curt. fl. lend. 5. t. 33. Ulmaria palustris, 

 Moench. meth. 663. Stem and peduncles puberulous. Stipulas 

 roundish, joined to the petiole. Flowers white, in large com- 

 pound cymes. The Meadow-sneet abounds in moist meadows, 

 about the banks of rivers, brooks, and ditches, perfuming the 

 air with the sweet hawthorn-like scent of its numerous blossoms, 

 from June to August. The green parts of the herb partake of 

 a similar aromatic flavour when rubbed or chewed. The flowers, 

 infused in boiling water give it a very fine flavour, which rises 

 in distillation. The leaves and tops have been used in medicine. 



Var. a, variegata ; leaves variegated with white or yellow. 

 Far. ft, tntiltiplex; flowers double. Cultivated in gardens. 



