BIBLIOGRAPHY 377 



Hildebrand, F. (1861) Einige Beobachtungen aus dem Gebiete der Pflanzen- 

 [p. 67] Anatomic. Herrn Professor L. C. Treviranus zur 



Feier seines... Doctor-Jubilaums...dargebracht. 30 

 pp., 2 pis. Bonn, 1861. 



(These miscellaneous notes include an account of the winter- 

 buds of Potamogeton crispus, pp 24-26, with i figure.) 



Hildebrand, F. (1870) Ueber die Schwimmblatter von Marsilia und einigen 

 anderen amphibischen Pflanzen. Bot. Zeit. Jahrg. 

 28, 1870, pp. 1-8, 17-23, i pi. 



(A record of the occurrence of floating leaves in Marsilia 

 quadrifolia, M. elata and M . pubescens, and a comparison of 

 the anatomy of the floating and aerial leaves in these cases, 

 and also in Sagittaria sagittifolia and Polygonum amphibium.) 



Hildebrand, F. (1885) t)ber Heteranthera zosterifolia. Engler's Bot. Jahr- 

 [pp. 207, 228] biich. Bd. vi. 1885, pp. 137-145, i pi. 



[Observations on living plants of this species grown from 

 Brazilian seed. The author draws attention to the floating 

 leaves, which were not noticed in Solms-Laubach, H. Graf zu 

 (1883).] 



Hiltner, L. (1886) UntersuchungeniiberdieGattungStt&M/ana. Engler's 

 [P- 2 33] Bot. Jahrbuch. Bd. 7, 1886, pp. 264-272, i pi., i 



text-fig. 



(The author concludes, from a study of their morphology and 

 anatomy, that Subularia monticola and the forms of 5. aquatica 

 are not true species, but owe their differences to their varying 

 environments.) 



Hochreutiner, G. fitudes sur les Phane"rogames aquatiques du Rhdne 



(1896) et du Port de Geneve. Rev. g<n. de Bot. T. vm. 

 [pp. 174, 204, 205, 1896, pp. 90-110, 158-167, 188-200, 249-265, i pi., 

 245, 261, 281, 282 15 text-figs. 



and Fig. 137, p. 206] [The first part of these studies consists of a detailed account of 

 the morphology, anatomy and development of Zannichcllia 

 paluslris (pp. 90-110). The remaining instalments deal with 

 the following branches of the physiology of submerged plants: 

 the ascent of water (pp. 158-167), geotropism (pp. 188-200, 

 249-258), hydrotropism (pp. 258-263), rheotropism (pp. 263- 

 264) and heliotropism (pp. 264-265).] 



Hochreutiner, G. Notice sur la Repartition des Phanerogames dans le 



(1897) Rhdne et dans le Port de Geneve. Bull, de 1'Herbier 

 Boissier, Ann6e v. No. i, 1897, pp. 1-14, i pi. 



(A study of the distribution and ecology of the water plants of 



this region.) 



Hoffmann, J.F. (1840) Beitrage zur naheren Kenntniss von Lemna arrhiza 

 [p. 78] nebst einigen Bemerkungen iiber L. polyrrhiza, gibba, 



minor und trisulca. Wiegmann's Archiv fur Natur- 



geschichte, Berlin, Jahrg. 6, 1840, pp. 138-163, 2 pis. 



(A translation of this memoir by Buchinger appeared in Ann. 



d. Sci. nat. Ser. n. T. xiv. Bot. pp. 223-242.) 

 Hofmeister, W. (1852) Zur Entwickelungsgeschichte der Zostera. Bot. Zeit. 



[P- 1351 J ahr - x - l8 5 2 - PP- 121-^31. 137-149, i pl. 



[An account of the development of the pollen, ovule and 

 embryo of Zostera, which supplements and corrects Gronland, 

 J. (1851). Some account of Ruppia is also given. Forcriticism 

 seeEngler, A. (1879).] 



