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PB ACTIO AL GUIDE TO GABDEN PLANTS helianthus 



seeds sown in the open border in April 

 and May, or in slight heat in March, after- 

 wards pricking the seedlings out, and 

 transplanting in May. 



H. decapetalus. — A pretty species, 

 4-6 ft. high, native of the banlis of streams 

 &c., from Canada to Georgia. Lower 

 leaves rather ovate, pointed, about 6 in. 

 long, the upper ones shorter, all somewhat 

 obscurely toothed. Flowers 2-3 in. across, 

 rich sulphur - yeUow, with 12-14 ray 

 florets. 



Culture dc. as above. Increased by 

 division. 



H. divaricatus. — A native of the 

 United States 4-6 ft. high, with green or 

 purplish stems and ovate, pointed, stalked 

 and opposite leaves. Flowers 2-3 in. or 

 more across, orange-yellow. 



Culture (f-c. as above. Increased by 

 division. 



H. doronicoides. — A native of Ohio to 

 Missouri, 5-8 ft. high, with rough and 

 densely downy stems. Leaves opposite 

 (or alternate above), ovate, sessile, serrate, 

 and tapering at both ends. Flowers late 

 in autumn, yellow, crowded on short stalks. 



Culture dc. as above. Increased by 

 division. 



H. exilis. — A slender-growing Cali- 

 fornian aimual 2-3 ft. high, with lance- 

 shaped leaves and golden-yellow flowers 

 about 2 in. across. 



Cultni-e d-c. as above. Increased by 

 division. 



H. g^iganteus. — An elegant perennial, 

 found in moist or swampy parts of Canada, 

 Alabama, and Louisiana. Stems 10-12 ft. 

 high, purplish, glaucous, bearing opposite 

 lance-shaped stalked serrated leaves, the 

 upper ones often with winged stalks. 

 Flowers in autumn, deep yeUow, 3-4 in. 

 across, with a purpUsh centre. 



Culture dd. as above. Increased by 

 division. 



H. grosse-serratus. — A very distinct 

 species, native of dry places in the N. 

 United States. Stems 6-9 ft. high, 

 smooth and glaucous, with lance-shaped 

 pointed, stalked leaves, coarsely toothed, 

 deep green ^above, woolly beneath. 

 Flowers late in autumn, 2-8 in. across, 

 deep yellow. 



Culture il'c. as above. Increased by 

 division. 



H. Isetiflorus. — A handsome species, 

 native of Indiana, IlUnois, and Wisconsin, 



with stiff, roughly hairy stems, 6-8 ft. high. 

 Upper leaves opposite or alternate, entire 

 or coarsely toothed, lower leaves 9-12 in. 

 long, broadly ovate acuminate stalked, 

 3-nerved. Flowers in autumn, 4-5 in. 

 across, bright yellow, with a deeper 

 yellow centre. 



Culture dc. as above. This is one of 

 the few perennial Sunflowers which ripens 

 seeds in the British Islands. 



H. Isevigatus. — A native of the United 

 States, 3-5 ft. high, with deep purple, 

 smooth, and usually glaucous stems. 

 Leaves all opposite (or the upper sometimes 

 alternate) sessile or nearly so, lance-shaped 

 acute, entire or slightly toothed, 3-nerved. 

 Flowers bright yellow, 2-8 in. across, with 

 6-8 ray florets. 



Culture dc. as above. Increased by 

 division. 



H. Maximiliani. — A native of the N. 

 United States 7-8 ft. high, with roughish 

 stems, and lance-shaped, pointed entire 

 or slightly toothed leaves. Flowers in 

 autumn, 8-4 in. across, golden-yellow. 



Culture dc. as above. Increased by 

 division. 



H. mollis. — A hoary-looking plant 

 3-5 ft. high, with greyish-green, densely 

 hairy stems. Leaves mostly opposite, 

 ovate pointed, with a lobed or clasping 

 base, serrate, softly hoary beneath. 

 Flowers from July to October, golden- 

 yellow, 4-5 in. across, with a darker centre. 



Culture dc. as above. Increased by 

 division. 



H. multiflorus. —A beautiful plant 3-5 

 ft. high, with ovate heart-shaped, toothed 

 leaves, and numerous bright yellow 

 flowers, 3-5 in. across, from the end of 

 July to October. The variety maximus 

 is a taller plant with larger and finer 

 flowers ; major is similar ; Soleil d'or 

 and Bouquet d'or have double ' quiUed ' 

 flowers ; and flore ■plena is a beautiful 

 double-flowered form rather dwarfer than 

 the type. 



Culture dc. as above. Increased by 

 division. 



H. occidentalis. — A slender hairy- 

 stemmed species 2-8 ft. high. Lower 

 leaves ovate, obtuse or oblong, lance- 

 shaped, rather leathery, 8-nerved, stalked. 

 Flowers orange-yellow, 2-3 in. across, 

 mostly solitary on long stalks. 



Culture dc. as above. Increased by 

 division. 



