SYSTEMATIC INDEX. 5 



f| Scauri. Bulb depressed or turbinate, marginate. 

 Stem fleshy, fibrous ; cortina commonly inferior 

 from the margin of the bulb. Pileus equally 

 fleshy. Gills rather sinuate. 



* Gills whitish, then clay coloured or pale cinnamon. 



701. multiformis, Fr. . . .708 



702. ,, var. flavescens, Cooke. 709 



703. napus, Fr. . . .710 



704. allutus, Fr. 752 



705. talus, Fr. . . .711 

 ** Gills violet, blue, becoming purplish, at length 



cinnamon. 



706. glaucopus, Scha>ff. . .712 



707. calochrous, Pers. . . . 713 

 708, 709. ca3rulcscens, Fr. . . 721, 722 

 710, 711. purpurascens, Fr. . 723, 724 



712. „ var. subpurpurascens, Batsch. 725 

 * # * Gills ferruginous, tawny, or yellow. 



713. dibaphus, Fr. 



„ var. xanthophyllus, Cooke. 753 



714. turbinatus, Bull. . . . 714 



715. corrosus, Fr. . . . 715 



716. fulgens, A. <$• S. . . . 716 



717. fulmineus, Fr. . . .717 



718. orichalceus, Batsch. . . 754 

 %% Gills olivaceous. 



719. prasinus, Schaff. . . 735 



720. atrovirens, Kalch. . . 736 



721. scaurus, Fr. . . . 755 



722. herpeticus, Fr. . . . 849 

 Iff Elastici. Cortina simple, thin, fugacious, 



medial or inferior. Stem at first exserted, 

 rather thin, never marginately bulbous or 

 peronate, but rigidly elastic, externally some- 

 what cartilaginous, polished, shining, naked at 

 the apex, often at length hollow, pileus thin, 

 often hygrophanous. 

 * Gills whitish, then clay -coloured or dirty cinnamon. 



723. cumatilis, Fr. . . .726 

 serarius, Fr. . doubtful native 



724. emollitus, Fr. . . .727 



725. crystallinus, Fr. . . . 728 



726. decoloratus, Fr. . . .729 

 ** Gills violet, becoming purplish or flesh colour. 



727. decolorans, Pers. . . 730 



728. porphyropus, Fr. . .731 



729. croceo-ca3ruleus, Pers. . . 732 



