

188 



NOTE ON THE ILLUSTRATIONS. 



In Gen. Plant, ii 



949 (1876) the genus 



a uen. jriunt. **, «/*" v — -v — « 



Jaffna Nees (1847) therefore falls, and Bentham has 



Adenosma R. Br. (1810) is restored 



Th 



ued the alternative name 



Cabdanthera H 



Explanatory Note on the Illustrations. 

 The isothermal line on the map illustrating the geographical distribut 



of Pediculari 



is 



translocated from a map in Keitli -Johnston's Physical Atl 



It appears ther 



as 



the mean summer isotherm of 



on 



y°* 



Tl 



LA 



affinitatum is an attempt to represent 



t> 



in Chapter VI. It possesses 



all the advantages over 



phically the facts expressed 

 serial disposition of the 



the 



literary " con: 

 pared with a reprcscntati 



approximate. 

 In the plates proper 



pectus " that a representation in two dimensions must pos 



when com 



one d 



but at best the results obtained are 



the fig 



of the various species are draw 



by th 



native 



artists whose names appear in the left-hand corners, 

 been made and delineated by the writer. These ha 1 



The analy 

 been made 



P 



os 



sibl 



in all the species 



d 



themsel 



The 



b 



es have in each case 

 as nearly uniform as 

 are to be understood 



- 



made of flowers belonging to the particular plant of which a drawing is given 



the instances where this is not the case are indicated in th 



text 



In plate 35C types 



(among Indian species) of the 

 as to assist the eye in 



subsectional corolla-forms are placed side by side 



derstand 



& 



th 



passages 



classification. In plates 36 and 37 



riter has attempted to extend to Indian species the treatment accorded to the seed 



of Euro} 



d Asiatic 



species by Dr. Lang 



They fall far short of the excellent 



results obtained by that author, and it is to be hoped that Dr. Lan 



ge may one day 



* 



d 



similar 



parative view 



f th 



e 



eed 



of Chinese 



pecies 



Th 



value of seed 



rll 



is very 



hieh 



not for diagnosis, since so many species have simi 



seeds 



nor for 



£ e 



neat 



since closely allied species have ofte 



such different 



one , but for the true limitation of the 



j 



ral 



groups so characteristic of the genus. 



f 





' ' • U«£. No. - 250- 26.9-90. 



