4 Blutcnbiologische Litteratur. 



2933. Burck, W., Over de prikkelbare stempeis van Torenia Fourn ieri en Mimu- 

 lus luteus en over vooibehoidmiddelen tegen het kiomen van vreemd stuifmeel 

 po den Stempel. Amsterdam, Versl. Wis. Nat. Afd. K. Akad. Wet. 10, 1902. p. 209 

 —219. — Ref.: Bot. Centralbl. Bd. 89. (1902). p. 645—646. 



2934. Burdon-Sande rson, J. S., Biology in relation to other natural sciences. Ami. 

 Report of the Board of Regents of tbe Smithsonian Institution. — July 1893. 

 p. 435—463. 



2935. Bureau, 0., Sur un figuier ä fruits Souterrains. Joum. d. Bot. 1888 p. 213 

 —216. — Ref.: Bot. Jb. 1889. I. S. 511. [Ficus Ti-Koua.] 



2936. Burgess, Edward, The Structure and Action of a Butterfly's Trunk. Amer. 

 Natur. XIV. 1880. p. 313-319. 



2937. Burglehaus, F. H. , Fertilization of tbe closed Gentian by Humble-bees. 

 The Plant World. IV. 1901. N. 2. p. 33. 



Burnip, J. R., s. N. 3294. 



2938. Burns, George P., Beiträge zur Kenntnis der Styl idiaceen. Flora. 87. 

 Bd. 1900. p. 313-354. 



2939. Caldwell, OtisW., On the Life-History of Lemna minor. Bot. Gaz. XXVII. 

 1899. p: 37—66. 



2940. Campbell, Douglas Houghton, A morphological study of Najas and 

 Zannichellia. Proc. Calif. Acad. of Sc. Bot. 3. ser. Vol. I. 1897. — Ref.: 

 Bot. Centralbl. Bd. 81. (1900). p. 401—404. 



2941. — The development of the flower and embryo in Lilaea subulata H. B. K. 

 Annais of Botany. Vol. XII. 1898. p. 1. - Ref.: Bot. Centralbl. 79. Bd. (1899). 

 p. 65-66. 



2942. — Studies on the flower and embryo of Sparganium. Reprinted from 

 Proceedings of the California Academy of Sciences. Ser. III. Botany. Vol. I. 1899. 

 p. 293-328. 



2943. — Notes on the structure of the Embryo -sac in Sparganium and Lysi- 

 chiton. The Bot. Gaz. XXVII. 1899. p. 153-166. — Ref.: Bot. Centralbl. Beih. 

 IX. Bd. (1900). p. 439. 



2944. — The Embryo -sac of Peperomia. Annal. Bot. XV. 1901. p. 103-118. 



2945. — Recent investigations upon the Embryo -sac of Angiosperms. Amer. 

 Natur. Vol. 36. (1902). p. 777-786. 



2946. Cannon, Will. Austin, A morphological Study of the Flower and Embryo of 

 the Wild Oat. Proc. Californ. 3. Ser. Vol. I. N. 10. San Francisco. 1901. 

 [Avena fatua.] 



2947. Card, F. W. and Adams, G. E., InterpoUination of Bush-Fruits, Plant Selec- 

 tion, Com Mixing, Influence of Pollen in Melons etc. Rep. R. I. Agric. Exp. St. 

 XIV. (1901). p. 228—253. 



2948. Caspary, Rob., Über Wärmeentwickelung in der Blüte von Victoria regia, 

 mitgeteilt von Alexander Braun. Abb. d. Kgl. Preuss. Akad. Berlin 1855. 



2949. — Über Wärmeentwickelung in der Blüte von Victoria regia. Bonplandialll. 

 (1855). p. 178. 



2950. Chamberlain, Charl. J., The Kmbryo-sac of Aster Novae Angliae. The 

 Bot. Gaz. Vol. XX. 1895. p. 205-212. — Ref.: Bot. Centralbl. Bd. 70. (1897). 

 p. 211. 



2951. — Oügenesis in Pinus Laricio. With remarks on fertilisation and embryo- 

 logy. Bot. Gaz. Vol. XXVII. 1899. N. 4. p. 268-280. 



2952. - Contribution to the life histoiy of Salix. Bot. Gaz. Vol. XXIIl. 1897. 

 p. 147—179. — Ref.: Bot. Centralbl. Beih. 9. Bd. (1900). p. 518-519. 



2953. Cheesemau, T. F., On the New Zealand Species of Coprosma. Trans. Proc. 

 New Zeal. lustit. 1886. Vol. XIX. p. 218—252. [Windblütigkeit von Coprosma.] 



