Christensen, Carl : On the American 

 species of Lcptochdus Sect, liolhkis. 

 Kjobenhavn, Bot. Tids., 26, 1904, (283- 

 297, with iUustr.). [6700]. 17830 



A new Elaphoylosffum 



from Brazil. Kjobenhavn, Bot. Tids., 

 26, 1904, (299-300J. [6700 8000 hh]. 



17837 

 Christensen, Harald R. Zwei neue 

 fluoreszierende Denitrifikationsbakte- 

 rien. Centralbl. Bakt., Jena, Abt. 2, 

 11, 1903, (190-194, mit 2 Taf.). [7700 

 3100]. 17838 



Christy, [Robert] J^Iiller. Asplemum 

 Huta-murarla, the Wall Rue Fern, in 

 Ehse.x. Stratford, Essex Nat., 13, 1904, 

 (207-209;. [8000 (?<-]. 17839 



Chrysler, Mintiu Asbury. The de- 

 veloimieut of the central cylinder of 

 Araceae and Liliaceae. [With biblio- 

 graphy]. Chicago, 111., Cont. Hull. Bot. 

 Lab. Univ. Chic, No. 62; in Bot. Gaz., 

 Chicago, III., Univ. Chic, 38, 1904, 

 (161-184, with 4 pi.) [2580 0000]. 



17840 



V. Coulter, JohnM[erle]. 



Chrz§,8zcz, T. Zur Kenntnis des 

 Hefewachstums in mineralischer Nahr- 

 losung. Centralbl. Bakt., Jena, Abt. 2, 

 13,1904,(144-149). [7700 3000]. 



17841 



Chuard, E. et Porchet, F. L' Action 

 des sels de cuivre sur les vegetaux. 

 A'erh. Schweiz. Natf. (Jes., Aarau, 85, 

 1902, (70); Arch. Sci. Phys., Ceneve, 

 (ser. 4j, 14, 1902, (502-505) ; 15, 1903, 

 (91) ; Lausanne, Bui. Soc Sci. Nat., 35, 

 1902, (LXV). [3010]. 17842 



Church, Arthur H[enry]. The 

 principles of phyllotaxis. Ann. Bot., 

 Oxfonl, 18, 1904, (227-243, figs. 35-41). 

 [IIOOJ. 17843 



On the relation of phyllo- 

 taxis to mechanical laws. Part III. 

 Secondary growth phenomena. Lon- 

 don (Williams & Norgate), 1904, (215- 

 326, 34 illus.). 25 cm. Mathematical 

 notes on Log. Spiral systems and their 

 application to phvllotaxis phenomena. 

 By E. H. Haves and A. H. Church. 76. 

 (327-349). [1150]. 17844 



Cieslar, Adolf. Einiges iiber die 

 Rolle des Lichtes im Walde. Mitt. 

 Forstl. VersWesen Oest., W^ien, 30, 

 1904, (II + 105). [3200 8000 dk\ 



1 7845 

 (M-425D 



Cieslax, Adolf. Waldbauliche Studien 

 iiber die Liirche. ZentrBl. Forslwes., 

 Wien, 30, 1904, (1-25). [6500]. 17846 



Claassen, Edo. On Diacellum nudum 

 Bridel. Ohio Nat., Columbus, Ohio, 3, 

 1903, (361). [7000 8000 gg]. 17847 



An enumeration of the 



plants gi-owing on a big erratic boulder. 

 Ohio Nat., Columbus, Ohio, 3, 1903, 

 (362). [8000 gg]. 17848 



Interesting specimens of 



Specidaria perfoliata. Ohio Nat., 



Columbus, Ohio, 3, 1903, (418). [5400]. 



17849 

 Clark, Arabel W. Regeneration of 

 the epicotyl in seedlings of Vic'ia Faha 

 and Pisiim sativum. (Abstract) Rep. 

 Mich. Acad. Sci., I-ansing, 6, 1904, (80). 

 [3160]. 17850 



Clark, C. E. The orchid Cephalan- 

 thera grandiflora. Knowledge & Sc. 

 News, London, 1, 1904, (12, 2 figs.). 

 [3500 6000]. 17851 



Clark, J. Beitrage zur Morphologic 

 der Commelinaceen. Flora, Marburg, 

 93, 1904, (483-513). [1000 1010 6000 

 3010 1.350 2010 2140 3240]. 



] 7852 



Clark, William Bullock, Shattuck, 

 Cleorge Burbank and Dall, William 

 Healey. The Miocene deposits of ilary- 

 land. ilaryland Geol. Surv., Miocene, 

 Baltimore, 1904, ([xxi]-clv, with map, 

 pi.). [8000 g/t]. 17853 



V. Case, E. C. 



Clarke, Charles Baron. Cyperaceae. 

 Beitrage zur Kenntnis der Afrikani- 

 schen Flora von Hans Schinz, Geneve, 

 Bui. Boissier, (ser. 2), 3, 1903, (663). 

 [0000 8000/]. 17854 



[Cyperaceae of China, cont.] 



London, J. Linn. Soc Bot., 36, 1904, 

 (297-319). [6000 8000 eb]. 17855 



List of the Carices of 



Malaya. London, J. Linn. Soc. Bot., 



37, 1904, (1-16). [0000 8000 e^ ed 



ia]. 17856 



Gesneraceae [of S. Africa]. 



Dver, Fl. Cap., 4, sect. 2, 1904, (437- 

 447). [5400 8000 /g]. 17857 



Verbenaceae, Labiatae [in 



Jobs. Schmidt, Flora of Koh Chang, 

 (hdf of Siam, Part VIIL] Kjobenhavn 

 But. Tids., 26, 1904, (171-176). [SOOOee 

 5400]. ^ 17858 



q2 



