CONTENTS. vii 
usually termed Affinity and Analogy, selected from the Class of Insects. 
By J. O. Westwoon, Esq., F.L.S., &c. . . . . page 409 
XXIV. 4 Note upon the Anatomy of the Roots of Ophrydeæ. By Joux 
Linpiey, Pl. D., F. R. S. & L. S., Professor of Botany in University Col- 
„ dd ðͤ Ta BILE 
XXV. On the Heliamphora nutans, a new Pitcher-plant from British Guiana. 
H/ v 
XXVI. Descriptions of some new Insects, collected in Assam by WIN GRIF- 
FITH, Esq., Assistant-Surgeon in the Madras Medical Service, and at- 
tached to the late Scientific Mission to Assam. By the Rev. FREDERICK 
T ee ts 485 
XXVII. Observations on the Cause of Ergot. By Mr. Joux Surrn, A. L. S. 449 
XXVIII. Observations on the Ergot of Rye, and some other Grasses. By 
C.. s 19 
XXIX. On the Ergot of Rye. By Francis BAUER, Esq., F. R. S. & L.S. . 475 
XXX. Observations on the Structure and Development of the Organs of 
Pilularia globulifera. In a Letter to R. H. Sorry, ber Fe F.R.S. & L.S. 
By WILLIAM VALENTINE, Esq., F.L.S. +. . 483 
XXXI. Supplementary Observations on the Development " the Theca, and on 
the Sexes of Mosses. In a Letter to R. H. Sorry, Esq., F. R. S. & L.S. 
By WILLIAM VALENTINE, Esq., F.L.S. Pee Y T: 
XXXII. JVotice of a Plant which produces perfect Seeds without any apparent 
Action of Pollen. By Mr. Joun Smera, A. L. s. . . 509 
XXXIII. A Monograph of the Genus Disporum. By Davin Dow, Esq. 
Libr. L.S., Prof. Bot. King's Coll. Lond. hives we oo 
XXXIV. 4 Monograph of Streptopus, with the Description of a new Genus 
now first separated from it. By Davin Don, Esq., Libr. L.S., Prof. 
Bot. King’s Coll. Lond. „%%% o o . 525 
XXXV. On some new Brazilian Plants allied to the Natural Order Bur- 
manniaceæ. By Jonas Miers, Esq., F. L. S. 5 . 505 
