after thy friend Logan's welfare. He is a great man in every 

 capacity, and for whom I have the highest value." 



A.hout the same time James Logan writes thus to the young 

 but rising naturalist : 



" FRIEND J. BARTRAM Last night, in the twilight, I re- 

 ceived the enclosed, and opened it by mistake. Last year 

 Peter sent me some tables, which I never examined till since I 

 last saw thee. They are six very large sheets, in which the 

 author * [Linnaeus] digests all the productions of nature in 



" His method in the vegetables is altogether new, for he 



* In a letter to Col. Byrd, a distinguished citizen of Virginia, in 1739, 

 Bar tram says: 



" I have this spring made several microscopical observations upon the 

 male and female parts in vegetables, to oblige some ingenious botanists 

 in Leyden, who requested that favour of me, which I hope I have per- 

 formed to their satisfaction, and as a mechanical demonstration of the 

 certainty of this hypothesis of the different sex, in all plants that have 

 come under my notice. 



* * * I have made several successful experiments, of joining 

 several species of the same genus, whereby I have obtained curious mixed 

 colours in flowers, never known before ; but this requires an accurate 

 observation and judgment, to know the precise time. * 



I hope by these practical observations to open a gate into a very large 

 field of experimental knowledge, which, if judiciously improved, may be a 

 considerable addition to the beauty of the florist's garden." Mem. p. 315. 



Writing to Philip Miller in 1755, Bartram thus refers to this subject. 



" I take thy offer very kindly, to assist me in understanding LINN^EUS'S 

 system, which I am acquainted with in some degree ; having several 

 books of his setting forth, which Dr. GRONOVIUS, my good friend, hath 

 sent me ; and Mons. DALIBARD sent me his Catalogue of plants growing 

 near Paris ; and HILL hath nearly translated LINN^GUS'S Characters. 

 But I find many plants that do not answer to any of his Genera, and are 

 really new. 



I have an account that he hath published, lately, two books containing 

 all our North American plants which KALM observed, when he was with 

 us. I showecl him many that he said were new Genera, and that LIN- 

 NAEUS must make many alterations, when he was by him more truly in- 

 formed of their true characters, as I should soon see when they were 

 printed. I long to see these books, to see if they have done me justice. 

 as KALM promised me. Dr. GRONOVIUS promised to send them to me, as 

 soon as they came to his hand.' 1 Ib. p. 377. 





