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Stem. Thcir Magnitudes were divers, but the Figures of all vere the fame,without the least Variation; only some emitted moreLeaves from the Stemthan others ; which is also ulual in the Natural Fern. I preserved theseArtificiali regcnerated or resoscitated Vegetables many Wecks in the fame Po-sition, not moving them, they being of so tcndcr a Fabrick, that the leastMotion of the Glase did hazard their Disäppearance.

Obfi. i. The Fern was of a middle Constitution bttwcen^ww and drjwhcn Burnt.

2. It was employed to Dry Malt, burnt in a Kiln with a dose smothcr-ing Heat.

3. Therefore the Afiies yielded a far greater Proportion of Salt, thanwhen the Herb is very Dry, and Incinerated by a free open Fire.

4. From the fame Causcs the Sale was notperfectly Alcaliz,ate, but plain-ly Tartarems, and abounded with Oyl and Acid Particks; and thereforemight propcrly enough be call’d an EJfienttal Sah : And upon Fufion with astrong Fire was much chang’d, from a Dark Brown becoming Whtte, asidwas by the Action of the Fire much kflened in bulk, the consoquence of tineAvolation of Oyl, AciditieSi and perhapsother Subslances, during the Ope-ration of so strong a Fire.

5. That part of the Impure Sale, which, as I before intimated, was Setto Deliquate, did not, as is usoal, become Liquid, but a perfect Gelly,which could not by any method be asterwards reduced unto its Saline Form ;which recalls unto my mind what is delivered by Kircbet of his own per-sonal Experience in the Refuficitation of Plants, who affirms, That at somecertain time of the Operation, the prepared Ve^etable Substances appear insuch a form.

The orber Experiment concerning Volatile Saks socceeded aster this man-net;

Having occasion for Volatile Urimus Spirits for some ordinary Uses, Imixt equal parts of Sal Armoniack and Pot-Aßies, which latter had a verystrong Sulphureeus Smell, yet did seem to abound with Sa/t, and that con-siderably Alcalizxd, The mixture being put into a Tali Glafs-body , im-mediately upon its feeling the Heat, plenty of Volatile Salt Sublimed; fromwhich I expected no unusual appearance, having osten repeated this Ope-ration without obscrving any Circumstance which descrved peculiar Atten-tion. Being called from my Laboratory just as the Salt began to appear,at my Rcturn I was amaz’d to see in the Glafs-head, which was, as the Cu-curbit, very Spacious or Capaciou', a Forefi in Perfiieilive, so admirablyDelineatcd, as not to be excell'd, if imitated, by the Peneiis of the great-est Masters in Painting. They were all, not only to my Apprehension, butalso in the Opinion of scveral Spectators, ready to attest it, Shadows, Rtt-diments , Adumbratione, or Reprefientations of ftrrs, Pines, and another fortof Tree which I cannot easily Describe, nor have I ever seen it growingWild or in Garden s, or in any Herbai exactly Represented. AÜ theseImages , although very numerous, were reducible to one of these tbree Spe-cies. I do not remsmber, that I have ever seen any more tranfportingly

Agreeable