REVISION OF THE NATURAL ORDER BIGNONIACEiE. 145 



* With cartilaginous bark. 



Gills decurrent 25. TuBARlA. 



Gills not decurrent. 



Margin of pileus at first incurved . . . .23. Naucoeia. 



Margin of pileus always straight 24. Galeea. 



IV. Spores purple, sometimes brownish-purple, dark purple or dark brown. — 

 PratellcB. 



* Without cai'tilaginous bark, 

 t Hymenophorum free. 



X With a ring 26. Psalliota. 



X Eingless 27. PiLOSACE. 



t Hjmenophorum confluent. 



Veil noi'mally ring-shaped on the stem . . . 28. Strophaeia. 

 Veil normally adhering to the margin of 



pileus 29. Htpholoma. 



* With cartilaginous bark. 



Gills decurrent 32. Deconica. 



Gills not decurrent. 



Margin of pileus at first incurved .... 30. Psilocybe. 



Margin of pileus at first straight 31. Psathyea. 



V. Spores black, or nearly so. — Coprinarii, 



Gills dehquescent 2. CO FEIN US. 



Gills not deliquescent. 



Decurrent 8. GOMPHIDIUS. 



Not deciirrent. 



Pileus striate, gills not variegated . . . S*. Psathyeella. 

 Pileus not striate, gills variegated . . . 33. Pan^oius. 



[Part 3, with full characters of the genera and subgenera, will be given in 

 the next tliree numbers.] 



REVISION OF THE NATURAL ORDER BIGNONIACE^. 



By Berthold Seemann, Ph.D., F.L.S., etc. 



{^Continued from Vol. V. p. 371.) 



/Radermachera, Zoll. et Moritz. 



This genus was established in 1855, being first deseribed in Zol- 

 linger's ' Systematisches Verzeichniss,' iii. p. 53 (Ziirich, 1855), thou<>h 

 Bureau (Adansouia, ii. p. lO-i, Paris, 18fil-62) thought Rader- 

 machera merely a mss. name, which, in that plaee, he adopted with 

 his definition of the genus given. Miquel (Ann. Bot. Lugd.-Bat. i. 

 p. 198, 1804), overlooking what had been written by both these 



