73 



Claassen, Edo. List of plants col- 

 lected in Cu3ahoga count}' and new to 

 this county or to Ohio. Ohio Nat. 

 Columbus 13 1915 (64). [8000 gg]. 



77430 



Caloplaca pyracea (Ach.) 



Th. Fr. a crustaceous lichen on the 

 sandstone sidewalks of east Cleveland, 

 Ohio. Ohio Nat. Columbus 13 1913 

 (99-100). [7600 8000 gg]. 77431 



Clark, Clarissa v. Pammel, E. C. 



Clark, J. E. and Hooker, R[eginald] 

 N. Report on the phenological Obser- 

 vations for 1911. London Q. J. R. 

 Meteor. Soc. 38 1912 no. 1C3 (193- 

 217). [3350 8000 de]. 77432 



Clark, J[es8ie] J[ane]. [Descriptions 

 of phmts.] Bot. Mag. London (Scr. 4) 

 9 1913 (8480 8500 8504 8512). 

 [5000]. 77433 



Clark, Orton Loring. Uber nega- 

 tivcn Phototropismus bei Arena saliva. 

 Zs. Bot. Jena N. F. 5 1913 (737-770). 

 [3180 GOOO 3200]. 77434 



Clarke, Sir Ernest. [Obituary notice 

 of Sir Charles Whitehead.] London 

 Proc. Linn. Soc. 125 1913 (64-65). 

 [0010]. 77435 



Clarke, W. G. v. BureU, W. H. 



Claus, Eugen. Untersuchungen iiber 

 die Standwcite fiir Zuchtelitcn von 

 Braugerste. Diss. Halle ; Kiihn-Arch. 

 Berlin 3 1913 (169-197). [4600 3200 

 31()0 3120 6000 4600]. 77436 



Clausen. Zur Fi-age der sogenannten 

 Reizstofie im Boden. D. landw. Presse 

 Berlin 40 1913 (205) ; Weitere Erfah- 

 rungen t.c. (1217-1218). [3060 3160 

 3180]. 77437 



Clausen, Roy E. A new fungus con- 

 cerned in wither tip of varieties of 

 Citrus Medica. [With bibliographv.] 

 Phytopathology Ithaca N.Y. 2 1912 

 (217-234 with 2 pis. 1 fig.). [7700 

 8000 f/i /^c]. 77438 



Claussen, P[etcr]. Die Sporangien 

 und Prothailien der Coniferen. Berlin 

 Verh. bot. Vcr. 54 (1912) 1913 ((30)- 

 (34)). [6500 2380 2450]. 77439 



Die Prothailien der Cyca- 



deen. Berlin Verh. bot. Ver. 54 (1912) 

 1913 ((24)^(28)). [6500 2380 2450 

 3500]. 77440 



Uber die Wirkung des 



Tcers, insbcsondere geteerter Stras.sen 

 auf den Pfianzenwuchs. Berlin Arb. 



biol. Anst. 8 1913 (493-514 m. 2 Taf.). 



[4150J. 77442 



Claussen, P[eter]. Uber den Einfluss 

 der Strassentecrung auf den Pfianzen- 

 wuchs. Berlin Mitt. biol. Anst. H. 14 

 1913 (5-6). [4150]. 77443 



Nachruf fiir Paul Ascher- 



son. Freiburg i. B. Mitt. Landesver. 

 Natk. 280-281 1913 (234-238). [0010]. 



77444 



Clawson, B. J. Histology of Janusia 

 gracilis. [With bibliography.] Lawrence 

 Kans. Univ. Sci. Bull. 7 1913 (187-197) 

 pis. xxii-xxviii. [2450 5400]. 77445 



Clement, Ch. The length of life of 

 seeds. Gard. Chron. London (Scr. 3) 

 53 1913 (423). [1560 3750]. 77446 



Clement, Hugues. \J Aspergillus et 

 I'argent. Experiences de Raulin. Paris 

 C. R. ass. franc, avanc. sci. 42 ('I'unis) 

 1913 (Resume 99-100). [7700]. 77447 



Cleminshaw, E. Paludella squarrosa 

 in Cumberland ? J. Bot. London 51 

 1913 (173). [8000 cZe]. 77448 



Clerici, Alessandro. Scienze biolo- 

 giche e problemi coloniali. Riv. Colon. 

 Roma 8 1913 (296-298 377-379). 

 [0040]. 77449 



Clinton, G[eorge] P[erkins]. Chest- 

 nut blight fungus [Endothia gyrosa 

 parasitica^ and its allies. Phytopathol. 

 Ithaca N.Y. 2 1912 (265-269). [7700 

 4050]. 77450 



Clute, Willard N[elson]. Aspleniurn 

 Andrcwsii. Fern Bull. Joliet 111. 19 

 1911 (3-4 with fig.). [6700 %000 gi\. 



77451 



Another form of Dick- 



sonia. Fern Bull. Joliet 111. 19 1911 

 (7-8 with fig.). [6700 mOO gg\ 77452 



The distribution of A- 



splenium alternans. Fern. Bull. Joliet 

 111.19 1911(38-42). [8000 e^Ti]. 77453 



Hemigramma latifolia. 



Fern Bull. Joliet 111. 19 1911 (4()-48) 

 [6700]. 77454 



Drymoqlossum carnosum. 



Fern. Bull. Joliet 111. 19 1911 (65-li7 

 with pi.). [6700]. 77455 



The effect of habitat on 



Ophioglossum. Fern Bull. Joliet 111. 19 

 1911 (71-72). [6700]. 77456 



The male fern. Nephro- 



dium Filix-mas. Fern Bull. Joliet 111.- 

 19 1911 (97-102 with pi.). [6700]. 



77457 



