HORICULTURAL JOURNAL. 207 
5. Mule. Rhododendron javanico-jasminijlorum, or Princess Royal. 
& Rhod. javanicum ; ? R. jasminiflorum. 
Result. Form of flower intermediate ; color derived from c? by the 
separation and retention of its rose and the rejection of its yellow 
(a very curious, and as far as we know, unique case). Leaves and 
habit intermediate. 
6. Mule, llatidirola RoezlL 
cJ' Scheeria mexicana ; ? Gesnera Zebrina. 
Result. Color derived from d^ ; whole habit and leaves from 9 . 
7. Mule. Mandirola picturata. 
c? Gesnera zebrina ; ? Achimenes mexicana. 
Result. Inflorescence and flowers of &; leaves and color intermediate. 
8. Mule. Begonia miniato-opuliflora. 
c? Begonia miniata (fuchsioides) ; ? B. opuliflora. 
Result. Inflorescence and color of d; leaves more those of 9. 
In these instances, taken pei'fectly at random, it is evident that for the 
most part the c? predominates, especially in JSTos. 1, 2, 4, 7 and 8 ; and this 
supports Dean Herbert's views ; but in 3 and 6, the eflects of the 9 are 
most conspicuous ; and in No. 5 the issue is nearly equalized; even here, 
however, the color is derived from the c?, as also is the case of 1, 3, 4, 6, 
8, and in a less conspicuous degree in the other cases. The most curious 
result is that in both 6 and 7 Gesnera Zebrina overcame the peculiarities of 
its consorts, whether used as cJ' or 9 . This points to a conclusion not yet 
drawn, viz : that in some cases it is merely because of its inherent vigor of 
constitution that a species prevails, and not because it is d". 
Is it not worth the while of experienced hybridizers to endeavor to mul- 
tiply this kind of evidence, and to endeavor to extract from it the general 
facts which possibly lie concealed among the loose statements with which 
alone in so many instances we now have to deal? Were that practicable, 
muling would be reducible to system, and no longer remain, what it now 
is, mere chance work. We throw out the suggestion for their consideration ; 
especially for that of such ingenious experimentalists as our Isaac Ander- 
sons, Trevor Clarkes, Gowens, Ingrams, and Yeitches. — Gardeners' Chro- 
nicle. 
