38 
Guiana. British oe Report on the agricultural work i 
the Botanical Gardens (and in the Government labeadors, 
1890-1901. onary 1891-1902. fol. 
—— — Report on results obtained with various manures in 
experimental fields on the estates of the Colonial Company, 
Limited. (London, 1890.) fol. 
— —— Reports on some of the India-rubber and Gutta- 
percha trees of B.G., and on Macewarrieballi (Forsteronia 
gracilis). See Jenman, G.S. 1883 & 1888. 
Gustasp, Noshirvan. Das Stockholz. Seine friihere und jetzige 
Bedeutung in Deutschland und die Maschinen zu _ dessen 
Gewinnung in Theorie und Praxis. Diss. Giessen, 1903. 8vo. 
Hackel, Eduard. Gramina nova vel minus nota. (Sitzb. Akad. 
Wiss. Wien, Ixxxix.) (Wien, 1884.) 8vo. 
Die karpathischen TJrisetwm-Formen. (Ungar. Bot. 
Blatter, 1903.) (Budapest, 1903.) 8vo. 
Hahn, Friedrich. See Sievers, W. 1901. 
Hareux, E. Les arbres, Leurs différentes essences. Arbres 
forestiers, arbres de haute futaie. Etudes d’aprés nature, ete. 
Paris, 1902. fol. 
Hay, William Delisle. The fungus-hunter’s guide, and field 
memorandum-book. London, 1887. 8vo. 
Hearle, are Geographical botany for Indian Foresters. 
Roorkee, 1884. 
Helsingfors. Forhandlingar vid Nordiska Naturforskare-och 
Likaremétet i Helsingfors den 7 till 12 Juli 1902. vii. Sektionen 
for Botanik. (Title repeated in French.) Helsingfors, 1902. 8vo. 
Hemsley, William Botting. See Collett, Sir H. 1902. 
Henckel, Johann Friedrich. Flora saturnizans, die Verwand- 
schafft des Pflanzen mit dem Mineral-Reich. Leipzig, 1722. 8vo. 
eydrich, F. Das Tetrasporangium der Florideen, etc, See 
Bibliotheca Botanica, Heft 57. 1902. 
Hickel, R. Essais d’introduction d’essences exotiques dans les 
foréts de Prifsse et d’Autriche. (Ann. Se. Agronom. Frang. 2, i. 
Nancy, 1903. 8vo. 
Hill, John, 1.D. Virtues of British Herbs. With the history, 
description, and figures of the several kinds, ete. n.1& 2. Kd.4, 
with additions, Letiaoé, 1771. 8vo. 
