168 
37. Grew, NEHEMIAH. 
The anatomy of vegetables begun. 1672. 
Iirst edition. 
Grew (in England) and Malpighi (in Italy) were the founders 
of plant anatomy. They were the first to attempt to describe the 
more obvious anatomical and histological features of the stems, 
leaves, and fruits of plants. 
38. Grew, NEHEMIAH. 
Anatomy of plants with An Idea of a philosophical history of 
plants. 1682. 
First edition of The anatomy of plants, and second of The 
anatomy of vegetables begun. 
In Chapter V is a clear statement of the author’s recognition 
of sex in plants. 
39. Grew, NEHEMIAH. 
Comparative anatomy of trunks. 1675. 
Tirst edition. 
40. Hates, STEPH[EN | 
Statical essays . . . an account of some statical experiments on 
the sap in vegetables, 1738. 
This is the third edition of the book first published in 1727, 
which gave one of the earliest accounts of the nutrition of plants 
and of the movement of sap. 
41. Hetmont, J. B. vAN. 
Ortus medicinae, id est, initia physicae inaudila, progressus 
medicinae novus, in morborum ultionem ad vitam longam, 1651. 
lirst folio edition. 
van Helmont, the last of the alchemists, experimented with vari- 
ous gases, and was the first to propose and use the term gas (the 
“spirit of the wood”). On page 66, this word appears for the 
first time in scientific literature. (Cf. No. 97.) 
On page O8 he describes the quantitative experiment in which 
he planted a willow weighing 5 Ibs. in dry soil weighing 200 Ibs. 
