HISTORY OF THE SCIENCE. 45 
would deserve a more particular account, were our 
limits not so narrow. ‘They are, Miller, Ludwig, 
Ammann, Van Royen, Seguier, Sauvages, Gessner, 
Steller, Gerber, Georgi, Guettard, Messerschmidt, 
Kalm, Hasselquist, Osbeck, Loeffling, Vandelli, 
Forskoel, Adanson, Schmiedel, Hudson, Lightfoot, 
Gouan, Necker, Weigel, Murray, Commerson, 
Sparrmann, Wulifen, Leers, Cranz, Medicus, Pol- 
lich, Weber, Asso, and many others. 
§ 377. 
EIGHTH EPOCH. 
From Hepwice till our present time. 
Or from 1782 to 1805. 
Though Linné arranged all the productions of 
nature, and in the vegetable kingdom observed de- 
cidedly the sexes of plants, yet he had not succeeded 
in discovering the sex and the sexual organs in the 
cryptogamie. Hedwig alone is so fortunate. To 
him we are indebted for a better knowledge of the 
cryptogamiz and an entire reform in this important | 
branch of botany. Many men of merit undertake 
tedious and dangerous journeys through the most 
distant regions of our globe, and by them we expect 
to get acquainted with scarce and unknown natural 
productions. ‘This whole century may, with regard 
to 
Ejusd. Icones selectae Plantarum, quas in Japonia collegit 
et delineavit Engelbertus Kaempfer ex Archetypis in Museo 
Britannico asservatis. Lond. 1791. fol. Contains 59 unco- 
loured plates, left by Kaempier, with systematic descriptions. 
