146 Anatomie. Morph, der Phanerog. -- Befruchtungs- und Aussäungseinrichtungen, 



118. Rudow. Die Caprification der Feigen. Mit Abbild. („Die Natur" von Karl Müller in 



Halle 1881, No. 18, S. 218-221.) (Ref. No. 70.) 



119. Rusby, H. H. Crossfertilization in Cereus phoeniceus. (Bullet. Torrey Bot. Club, 



Aug. 1881, VIII, p. 92, 93.) (Ref. No. 87.) 



120. Sargnon, L. Causes du vif coloris que presentent les fleurs des hautes sommites 



alpines. (Annal. de la Soc. bot. de Lyon T. VII, 1878, 1879 [Compt. rend. des Se.], 

 p. 297, 298, Lyon 1880; Bot. Centralbl. Bd. V, S. 167.) (Ref. No. 27.) 



121. Schneck, J. Crossfertilisation of the Chestnut tree. (Bot. Gazette, Jan. 1881, V. 6, 



p. 159-161.) (Ref. No. 20.) 



122. Seh netzler, J. B. De la couleur des fleurs. (Les Mondes T. LIII 1880, p. 158 ff; 



Bot. Centralbl. 1881, S. 103, 104.) (Ref. No. 26.) 



123. Sprang, Geo. The fertilization of the Trumpet Creeper. (Bot. Gazette, Dec. 1881, 



Vol. VI, p. 302, 303.) (Ref. No. 79.) 



124. Sterne, Carus. Edelweiss. Eine Betrachtung über die Natur als Straussbildnerin. 



(Gartenlaube 1881, No. 40, S. 656-660.) (Ref. No. 93.) 



125. Stone, J. Harris. A natural ant-trap. (Nature Vol. XXV, p. 151.) (Ref. No. 118.) 



126. Syme, George. The sensitivenoss of the flowers of some species of the genus Stelis. 



(Gard. Chron. 1880, N.S. Vol. XIV, No. 365, p. 819.) (Ref. No. 68.) 



127. Thomson, George M. Fertilization of New Zealand flowering plants. (Transact. 



and Proc. of the New Zealand Institute 1880, Vol. XIII, p. 274 ff.) (Ref. No. 2.) 



128. Todd, J. E. Notes on the flowering of Saxifraga sarmentosa. (Americ. Naturalist 



Aug. 1880, p. 569-575, mit Abbild.) (Ref. No. 82.) 



129. — Contrivances for Gross -fertilization in the Ranunculaceae. (Daselbst Sept. 1880, 



p. 668.) (Ref. No. 83.) 



130. — Dimorphism in Black Mustard. (Daselbst, Dec. 1881, Vol. XV, p. 997, 998.) 



(Ref. No. 44.) 



131. Trelease, Will. Nectar; what it is and some of its uses. (Report upon Colton 



Insects by Henry Comstock, Washington 1879.) (Ref. No. 31.) 



132. — Action of bees toward Impatiens fulva. (Bullet, of the Torrey Bot. Club. 1880, 



Vol. VII, p. 20, 21.) (Ref. No. 115.) 



133. — Note on the Perforation of flowers. (Daselbst, Juni 1881, p. 68, 69.) (Ref. No. 114.) 



134. -^ The fertilization of Scrophularia. (Daselbst, Dec. 1881, Vol. VIII, No. 12.) (Ref. 



No. 76.) 



135. — On the fertilization of Calamintha Nepeta. (Americ. Naturalist, Jan. 1881, p. 11—15.) 



(Ref. No. 50.) 



136. — The fertilization of Salvia splendens by birds. (Daselbst Vol. XV, April 1881, 



p. 265-269.) (Ref. No. 78.) 



137. — The foliar nectar glands of Populus. (Bot. Gazette, Nov. 1881.) (Ref. No. 34.) 



138. — Flowers and their visitors. (Cornell review, Febr. 1880, Vol. VII, p. 194—196.) 



(Ref. No. 8.) 



139. _ Where honey comes from. (Americ. bee journ. 1880, Vol. XVI, March, p. 137—139; 



Apr., p. 184; May, p. 232-233; June, p. 271-272; Aug., p. 386-387.) (Ref. 

 No. 30.) 



140. ürban, Ign. Die Bestäubungseinrichtungen bei den Lobeliaceen, nebst einer Mono- 



graphie der afrikanischen Lobeliaceengattung Monopsis. (Jahrb. des Kgl. Bot. 

 Gartens etc. in Berlin Bd. I, 1881, S. 260-277, mit 2 Holzschn.) (Ref. No. 73.) 



141. — Ueber einige für die Flora Aegyptens neue Arten der Gattung Trigonclla. (Sitzungsber. 



des Bot. Ver. der Provinz Brandenburg XXIII, p. 67—72 mit 1 Holzschn.) (Ref. 

 No. 108.) 



142. Walsingham. Fertilisation of Yucca. (Nature Vol. XXIII, p. 76.) (Ref. No. 63.) 



143. Ward, Lester, J. Fertilization of Sabbatia angularis. (Americ. Entomologist 1880, 



in, p. 88.) (Ref. No. 77.) 



144. — Incomplete adoptation as illustrated by the history of sex in plants. (Americ, 



Naturalist 1881.) (Ref. No. 5.) 



