571 



First Section. — It comprises all the Eucalyptus whose capsule at maturity is more or less oxsert 

 that is to say. exceeding by a half or a third of ir< length the fcuhe or calycine receptacle with which it is 

 closely welded in its lower part. To tltis section beloug — 



E. Lehmaitni. E. rostra 



E. tormtia. E. iereticornis. 



/■.'. macrorrhyneha. E. insignis. 

 mplifolia. 



Here follows the " Second Section," which is combined with the number of flowers in the umbels, 

 &c. See p. 21.) 



Then follow the simultaneous suggestions of Luelnnann and Tate made in 

 papers in Report A"*/. Assoc. Adv. Science. VII. pjj. 523 and 544 respectively (1898), 

 and as neither makes any reference to Naudin's paper, it was doubtless unknown to 

 them. 



I again remind my readers that Xaudin's paper deals only with the limited 

 number of species cultivated in France and Algeria. Luehmann's paper deals with 

 140 species. Tate's with 90. apparently mainly based on the figures in Mueller's 

 " Eucalyptographia." 



Luehmann, 1898. — Luehmann's paper is " A Short Dichotomous Key to the 

 hitherto known species of Eucalyptus." He says that his paper should be looked upon 

 as an " auxilliary guide (inly, without any full descriptions, and is for this reason 

 submitted in the form of a Key. The primarily character chosen is that of the fruit- 

 valves, whether quite enclosed, or whether the points protrude beyond the rim. or 

 whether the top of the rim is convex with every part raised above the rim; secondarily 

 the shape and size of the fruit are taken into consideration." In the above he 

 unconsciously follows Naudin. The paper, from its nature, will not bear abstracting; 

 it contains various useful hints. 140 species are dealt with, and characters associated 

 with tin- fruit taker) in about a third of the species. 



Tate, 1898. Prof, Ralph Tate gives " A Review of the characters available for 

 the classification of the Eucalypts, with a synopsis of the species based on a carpological 

 basis." See a not.- at Part I. )>. II of the present work. Following are extracts from 

 the paper : 



There is obviously the- need "I an organ which exhibits greater diversity ol Form an. I structure, 

 and admits oi •< greater number of combinations than is afforded by the anther, or indeed any Bingle 

 stru c tu re considered. Tin- requirements Beem to me to be best Fulfilled by tin- fruit offering, for 



the most part, microscopic characters, anil tl-- special advantage thai it is nearly always possible to obtain 

 them, whilst the flowering season i< of limited duration, and is not always of annual recurrence. At the 

 e time, tin- characteristics are readily interpreted, needing no special manipulation .... 



I would now review the nature and value nf the component elements embraced by a carpological 

 scheme of classification : — 



1. Shape of Fruit, 'lie- shape to !>•■ described i- that nf a fully-ripe specimen, as immature states 

 may prove delusive when testing the carpological Bystem. . . . Thus in E. pyriformis the calyx-tube, 



on the fall of the operculum, i- obconic, with a horizontal summit, but in the »di I i n\e* bieonie. 



mi ovoid-conic in the early stages to hemispheric when mature. 



