Christ, Karl. .,»,. ,,^ un- lo- 



Beitriige zur vergleichenden anatoniie des Laubstengels der Cai-yophyllinen unci baxi- 



frageen. 



83 pp. 1 pi. Marburg, 1887.* 



Christensen, Carl. 



Index filicum. 



744 pp. Hafniae, 1906. HB-C 554 

 131 pp. Hafniae; 1913. 



American ferns of the group of Dryopteris opposita contained in the National Museunu 

 32 pp. Washington, 1909.* 



(Smithsonian misc. coll. vol. 52, 3, pp. 365-396.) 



Christener, Christian. 



Die Hieracien der Schweiz. Program. 

 24 pp. 2 pis. Bern, 1863. 



Christy, Cuthbert. 



The African rubber industry and Funtumia elastica (Kickx). 

 252 pp. London, 191 1. JM-C 556 



Christy, Robert Miller. 



On the species of the genus Primula in Essex, etc. 

 64 pp. 2 pis. Buckhurst Hill, 1883-84. 

 (Trans. Essex Field Club, vol. 3.) 



Christy, Thomas. „ 



Forage plants and their economic conservation by the new system of "Ensilage. 

 72 pp. 2 pis. London, 1877. 



Chun, C. 



Katechismus der mikroskopie. 

 i6o pp. Leipzig. 1885. 



Die beziehungen zwischen dem arktischen und antarktischen plankton. 

 64 pp. 1 pi. Stuttgart, 1897. 



Church, A. H. 



On the relation of phyllotaxis to mechanical laws. 



Part I, 78 pp. 10 pis. London, 1901. CR-C 561 

 2, +21 1 pp. +25 pis. London, 1902. CR-C 561 



Types of floral mechanism. 



Part I, 211 pp. 39 pis. Oxford, 1908. 



Ciassi, G. M. 



Mediationes de natura plantarum et tractatus physicomathe- 

 maticus. 



108 pp. Venetiis, 1677. 



Ciccarelli, Alfonsa. 



Opuscule sur les tru fifes. 



180 pp. Montpellier. 1913. 



Opusculum de Tuberibus. 



34 pp. Patavii, 1564. 



Cienkowski, L. 



Zur morpholog-ie der bacterien. 

 Petersburg-, 1877. 



Ciesielski, T. 



Untersuchungen uber die abwaertskruemmung der wurzel. 

 pp. Dresden, 1871. 



Cicslsr A, 



Lich't- und schattholzarten. Lichtgenuss und bodenfeuchtigkeit. 

 21 pp. Wien, 1909. 



