814 FOREST CULTURE AND 
Among various species of Heliotrope this one can best 
be utilized for the distillation of the scented oil. 
Helleborus niger, L.—Forest mountains of Middle 
and South Europe. The Christmas Rose of British 
gardens. A perennial, handsome herb. The roots are 
used in medicine: 
Hibiscus cannabinus, L. (H. radiatus, Cavanill.)— 
Tropical Asia, Africa and Australia. An annual, 
showy herb. The stem yields a hemp- like fibre ; 
the leaves serve as sorrel-spinach. Several other 
hibisci can be utilized in the same manner. | 
Hibiscus esculentus, L.—West India and Central 
America. <A tall herb. The mucilaginous seed-cap- 
sules are known as Okra, Bandakai, or Gambo, and 
used as culinary vegetables. Our Summers bring 
them to maturity. The leaves of this and allied spe- 
cies can be used as pot-herbs. 
Hierochloa redoleus, R. Br. —South - eastern Aus- 
tralia, almost confined to the Alps; in Tasmania and 
New Zealand also found in the lowlands, occurring 
likewise in the antarctic islands and the southern ex- 
tremity of America. A tall perennial nutritious grass, 
with the odor of Anthoxanthum. It is worthy of dis- 
semination on moist pasture land. H. borealis of the 
colder regions of the northern hemisphere accompa- 
nies here in the south H. redolens, but is a smaller 
grass. 
Hordeum deficiens, Steudel.—The Red Sea Barley. 
One of the two-rowed barleys, cultivated in Arabia 
and Abyssinia. Allied to this is H. macrolepis, A. 
Br., a native of Abyssinia. 
Hordeum distichon, L.—Central Asia. The ordi- 
nary two-rowed barley. To this species belong the 
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