334 THE NURSERY-MANUAL 



Hieracium (Hawk- Weed). Composite. 



The flower-garden species are grown readily from seeds, blooming 

 the first or second year. 



Higginsia : Hoffmannia. 



Hippeastrum (Equestrian Star). Amaryllidacea. 



As for amaryllis, which see. Usually handled by the offsets 

 that form about the bulb. These are taken when the plants are 

 lifted or repotted. Do not cover the neck of the bulb. In a year 

 or two, depending on size, the offsets should make strong blooming 

 plants. Seeds usually grow readily, sown as soon as ripe. If the 

 young plants are kept growing continuously, blooming specimens 

 may be had in two years. 



Hippophae (Sea Buckthorn). Elosagnaccas. 



Increased by seeds sown at once or stratified, by suckers, layers, 

 cuttings of the roots and cuttings of mature wood in spring. 



Hoffmannia. Rubiacece. 



Propagated by cuttings of half-ripened shoots in sand, with 

 bottom heat. 



Hohenbergia. Bromeliacece. 

 As for billbergia, which see. 



Holcus (the proper name for the Sorghums and Kafirs). Graminece, 

 Propagated usually by seeds ; sometimes by cuttings, as also 

 in sugar-cane, which see. 



Holly: Ilex. 



Hollyhock (Althaea). Mahaceoe. 



Usually grown from seed sown as soon as ripe, in summer. 

 See that the soil is mellow and moist, to encourage the development 

 of side roots rather than a deep tap-root. The seedlings are 

 sometimes carried over winter in a frame. The summer following 

 sowing, plants should give good bloom. Seeds may also be kept 

 over winter and sown in spring. If sown in February or March 

 and plants kept growing rapidly, bloom may be had late the first 

 year. 



Hollyhocks are sometimes propagated by cuttings of short young 

 shoots that arise from the crown. A crown may be lifted in spring 



