390 GOSSYPIU3I, HELIANTHUS, 



1513. GOSSYPIUM. 37. 74. 



Exotic. 



herba'ceum (cotton. Au. f ), leaves 5 lobed, mncronate, one gland beneath ; 

 stem herbaceous, smooth. 5 f. 



21. GRATIOLA. 40. 40. 



virffin"ica (creeping hedge hyssop. O. w. & y. 4), sfm pubescent, assur- 

 gent, terete; leaves smooth, lanceolate, sparingly dentate, serrate, altenuUt 

 and connate at the base ; loaves of the cajyi equal ; sterile filaments nunc. 

 6-8 in. S. 



215. GYROPHORA. 57. 2. 



pensiflvz'nica, frond tawny olive ; under side rough granulate ; receptacles 

 marginated. On rocks and mountains. 



181. HABENARIA. 7. 21. 



phyco'des (O. g-w. Ju. 4), lip 3 parted ; segments finely divided ; petals ob- 

 tuse ; horn filiform clavate, ascending, longer than the germ. 



viridojlo'rum (g. & p. Au. 4J, stem erect, branched, scabrous ; leaves teruatc, 

 ovate, obtuse, scabrous above, villous and very soft beneath ; paniele termi- 

 nal, very long, naked ; joints of the lowest triangular. 3 f. . 



nitundifo'lium (O. p. Au. 4 , stem prostrate, hairy ; leaves ternate, suborbicu- 

 lar, hairy ; stipules cordate, reflexed ; racemes axillary, paniculate ; joints of 

 the loinent sub-rhomboidal. 2 3 f. S. 



acumina'tum (O. p. Ju. 4), erect, simple, pubescent ; leaves ternate, ovat-, 

 conspicuously acuminate, a little hairy ; panicle terminal, on a very long 

 naked peduncle ; joints of the loment roundish. 1 2 f. IS. 

 214. HALUMENIA. 57. 2. 



palma'ta, frond flat, sub-palmate ; divisions oblong, sub-simple ; colour reddi.sh 

 purple ; substance at first thin atiJ membranaceous, at length passing into a 

 soft leathery substance. In the sea. 



42. HAMAMELIS. 54. 78. 



M'/x'/V'ica (witch hazle. O. y. Oc. > ), leaves, obovate acute, toothed, cordate, 

 with a small sinus. Var. parvifoHa, leaves oblong ovate, upper part undu- 

 late coarse crenatc, pubescent and somewhat hirsute beneath ; division.-, ol 

 the calyx oblong ; flowers in the fall, and perfects the fruit the next summer. 



131. HEDEOMA. 42. 39. 



pulegio'ides (penny-royal. O. b. J. ), pubescent; leaves oblong, serrate ; pe- 

 duncles axillary, whorled. 6 8 i. 5. 



51. HEDERA. 46. 58., 



he'lix ^English ivy g.w. S. > ), leaves 3 or 5 lobed ; floral ones ovate; umbel 

 erect. 



1610. HEDYSARUM. 32. 96. 



canaden"se (bush trefoil. O. r. Ju. 4), erect, smoothish*, leaves ternate, lance 

 oblong ; stipules filiform ; flowers racemed ; bracts lance ovate, acuminate, 

 ciliate ; joints of the loment obtusely triangled, hispid. 3 f. <S. 



172. HELENIUM. 49. 55. 



aulumna'le (false sunflower. O y. Au. 4), leaves lanceolate, serrate, subdeour- 

 rent ; stem corymbed above ; disk florets 5 cleft ; rays flat, reflexed. Var. 

 pubescent, leaves pubescent. 3 5 f. S. 



173. HELIANTHUS. 49. 55. 



1. Leaves opjwite. 



tracheUfo'lius (y. Au. 4), leaves ovate lanceolate, acuminate, serrate, triply- 

 nrred, very scabrous on both sides; scales of the calyx lance linear, ciliate; 

 outer ones longest. 3 4 f. S. 



2. Upper leaves alternate. 



Exotic. 



lubero'sus (Jerusalem artichoke, y. S. 4), leaves 3 nerved, scabrous ; lower 

 ones heart ovate, upper ones ovate acuminate ; petioles ciliate. Root tu- 

 berous. Naturalized. 48 i. 



an"nuiis (common sunflower, y. & w. Ju. 4), leaves all cordate, 3 nerved ; pe- 

 duncles thickening upwards ; flowers nodding. 610 f. 



