2 nd. N,.g.r. AR, Ludwig. 
1 Acer viifoliam Weber. — 2. 7. Acer trilobatum, trieuspidatum Al. Braun. var. II. a. — 3. 8. Acer angustilobum Heer, — 
0000004 5, Acer trilobatum Al. Braun. var. I. b. — Acer trilobatum Al. Braun. var. I. a. 
