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56 APPENDIX. 



described (huj. voL p. 20.) and figured in plate 39 A, under the 

 name of Saracha glandulosa^ the only structural difference be- 

 tween these species being that L^Heritier's plant is tetramerous, 

 while all other species of Saracha are pentamerous. As M. Dunal 

 considers this difference to be of no generic value, it is clear that 

 under such circumstances the Witheringia^ L^Herit. (non alio- 

 rum), and Saracha^ K.. and P. (with a single species excepted), 

 must merge into one genus, and according to the rule of priority 

 the former will claim the precedence : in such case the species 

 of this genus will be as follows : 



1. Witheringia solanacea, L'Hmt DC. Prodr, xiii, 402 



2. villosa, noh. = Saracha villosa, Don „ „ 430 



3. contortaj noh, = contorta, R. ^P. 



4. Zuccagniana, nob, = Zuccagniana, Don 



5. biiiora, nob. = — — biflora, R. ^ P. „ „ 431 



6. procumbens, nob. ^ procumbens, R. ^ P. „ 



7. umbellata^ nob, = umbellata^ G. Don 



8. alata, nob. =: alata, Dun. 



9. jaltomata, nob. = jaltomata, SchL „ „ 432 



10. allogona, nob. =■ allogona, SchL 



11. dentata, nob. = dentata, B. SfP. 



12. viscosa, no6. = • viscosaj Schr. „ „ 433 



13. ciliata, nob. =■ eiliata, nob. „ „ 68 



14. propinqua, nob. = — — propinqua^ nob. 



15. diffusa, nob. ^ diffusa, nob. 



16. ■ laxa, nob. =: laxa, nob. 



17. auriculata, nob. = auriculata, nob. 



18. conspersa, woS. = conspersa, koJ. „ „ 684 



19. glabrata, nob. ^ glabrata, nob. 



20. acutifolla, nob. = acutifolia, nob. 



21. vestita, nob. = • vestita, nob. 



22. — • — . glandulosa, nob. ^ glandulosa, nob. 



23. CandoUei, nob. = - — Miersii, A. DC,. 



The Saracha geniculata^ Mart. Gall. (Prodr, xiii. 430), should 

 be removed from this genus and placed in Physalis (P. genicu- 

 lata) : this is evident from the description of its inflorescence and 

 other characters, among which is that the berry is edible as in 

 P. Peruviana. 



In order to explain the ground on which my conviction of the 

 identity of Witheringia and Saracha is founded, looking at this 

 latter genus in the sense in which it has been hitherto under- 

 stood, it may be well to observe, that a difference in the descrip- 

 tion of generic characters often results from an investigation of 

 the flowers in a hving or a dried state: thus in Saracha (as hitherto 

 limited), the corolla when dried scarcely shows the fornicated 

 origin of the filaments, the dilated bases of which in that state 

 appear flattened, as if simply adnate to the bottom of the tube ; 

 but when these are seen in a living state, the filaments will be 

 found to spring out of as many dilated salient glands, the mar- 



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