149 



Hibbard, Rufus Percival. The in- 

 fluence of tension on the formation of 

 mechanical tissue in plants. [With 

 bibliography.] Bot. Gaz., Chicago 111., 

 43, 1907, (361-382). [2450]. 38183 



Hickling, George. The anatomy of 

 Palaeostachija vera. Ann. Bot., Ox- 

 ford, 21, 1907, (369-386 pi. 32-33, and 

 4 figs.). [1000 1660 6700t]. 38184 



• The Carboniferous flora 



as an aid in stratigraphical classifica- 

 tion. Manchester, Trans. Geol. Soc, 

 30, 1907, (138-142). [0010 8000 de]. 



38185 



Hiekel, Rudolf. Beitriige zur Mor- 

 phologic und Physiologie des Soorer- 

 regers (Dematium albicans Laurent, 

 Oidium albicans Robin.) Wien, SitzBer. 

 Ak. Wiss., 115, Abt. I., 1906, (159-197, 

 mit2Taf.). [3060 7700]. 38186 



Hieronymus, G[eorg]. Compo^itae 

 novae vel non satis notae. (Beitriige zur 

 Flora der Hylaea. II.) Berlin, Verb, 

 bot. Ver., 48, (1906), 1907, (195-208). 

 [5400 8000 hh hf]. 38187 



. — . Plantae Stubeiianae. Pteri- 



dophyta. Von Dr. Alfons Stiibel auf 

 seinen Reisen nach Siidamerika, beson- 

 ders in Cohimbien, Ecuador, Peru und 

 Bolivien gesammelte Pteridophyten 

 (Gefasskryptogamen). Tl 2. Hed- 

 wigia, Dresden, 46, 1907, (322-364, mit 6 

 Taf.). [6700 8000 h]. 38188 



Hilbert, [Paul]. Zur Biologie der ein- 

 heimischen Meeresstrandpflanzen. (Vcr- 

 trag.) Konigsberg, Jahresber. bot. Ver., 

 1906,1907,(6-8). [3200]. 38189 



Hildebrand, Friedrich. Weitere bio- 



logische Beobachtungen. Bot. Gen- 



tralbl., Dresden, Beihefte, 32, Abt. 1, 



1907,(70-84). [3200 4500 3010 3440 



• 1500 1800]. 38190 



— ■ • — . Die C yclamen-Axten als 



ein Beispiel fiir das Vorkommen nutz- 

 loser Verschiedenheiten im Pflanzen- 

 reich. Bot. Centralbl., Dresden, Bei- 

 hefte, 22, Abt. 2, 1907, (143-196, mit 8 

 Taf.). [5400 4500]. 38191 



. — . Ueber Bastarde zwischen 



mHaemanthus virescens mas. und Hae- 

 manthus albiflos fem. Gartenflora, Ber- 

 lin, 56, 1907, (493-495). [6000 3550]. 



38192 



Hill, Arthur W[illiam]. A revision' of 

 the geophilous species of Peperomia, 

 with some additional notes on their 

 morphologv and seedling structure. 

 Ann. Bot.," Oxford, 21, 1907, (139-160. 

 pi. 15). [1000 5400 8000 K\. 38193 



■ — ■ — The seedlings of certain 



Pseudo-Monocotyledons l^Peperomia 

 and Ci/clamen]. London, Rep. Brit. Ass , 

 1906, '[1907], (763). [3750 5400]. 



38194 



— . — ■ — . — . The natural hybrid be- 

 tween the cowslip [Primula officinalis, 

 L.] and the oxlip [P. elatior, L.]. N. 

 Phytol., London, 6, 1907, (162-166. 

 pi. 5 and figs. 5-6). [3550 5400 

 8000 de]. 38195 



— . — — • — A list of plants observed in 

 a journey in Bolivia and Pera around 

 Lake Titicaca. Scot. Geog. Mag.. 



Edinburgh, 21, 1905, (249-259, 4 pi.). 

 [8000 hf hil 38196 



Hill, Daniel. Kew Gardens [visited 

 by the Hertfordshire Natural History 

 Society, 27th June, 1905]. Hertford, 

 Trans. N. H. Soc, 12, 1906, (Ixx- 

 Ixxi). [0060]. 38197 



Hill, E[llsworth] J[erome]. The 



validity of some species of Fissidens. 

 Bryologist, Brooklyn, N.Y., 10, 1907, 

 (67-74, with illus.). [7000]. 38198 



Hill, M. Note on the introduction 

 and acclimatisation of the mahogany 

 tree (Swietenia Mahagoni) in India. 

 Ind. For., Allahabad, 33, No. 7, 1907, 

 (308-312). [3200]. 38199 



Hill, T[homas] G[eorge]. On the 

 seedling structure of certain Centro- 

 spermae. London, Rep. Brit. Ass., 

 1906, [1907], (760-761). [2450 5400]. 



38200 



— .— ■ Botanical surveying in 



Brittany. [Summary of a lecture to the 

 members of the Essex Field Club.] Strat- 

 ford, Essex Nat., 15, 1907, (43). [0040 

 8000 dfl 38201 



— ■ • — and Fraine, E[thel Louise] 



de. On the seedling structure of Gym- 

 nosperms. London, Rep. Brit. Ass., 

 1906, [1907], (759-760). [2450 6500]. 



38202 



H[illier], J[ohn] M[asters]. Anti- 

 opium plants. [Combretum sundaicum, 

 Miq., Mitragyne speciosa, Korth., and 

 a species of Oymira]. Kew Bull., Lon- 

 don, 1907, (198-199). [0060]. 38203 



