Report of the State Botanist. 33 



Synopsis of the Species. 



Lamellse white, whitish or grayish 1 



Lamellae some other color 14 



1, Plant wholly white 2 



1, Plant not wholly white ; 5 



2. Pileus viscid when moist 3 



2. Pileus not viscid 4 



3. Stem adorned with minute gland-like protuberances, 



O. Rhododendri. 



3. Stem without protuberances O. Austini. 



4. Pileus somewhat funnel-form O. scyphoides. 



4. Pileus convex O. stellata. 



4. Pileus hemispherical O. gracillima. 



5. Pileus yellowish or orange 6 



5. Pileus some other color 8 



6. Lamellae arcuate 7 



6. Lamellae sub triangular O. umbellifera. 



7. Pileus 6 lines or more broad O. fibuloides. 



7. Pileus less than 6 lines broad O. Fibula. 



8. Pileus with the umbilicus darker 9 



8. Pileus uniformly colored 10 



9. Pileus 6 lines or more broad O. Oculus. 



9. PUeus 2 to 4 lines broad O. Swartzii. 



10. Pileus dotted with blackish points O. Gerardiana. 



10, Pileus without blackish points 11 



11. Lamellae uniformly colored 12 



11. Lamella with the edge darker O. montana. 



12. Pileus less than 6 lines broad O. corticola. 



12. Pileus more than lines broad .... 13 



13. Pileus rugose on the disk O. rugosidisca. 



13. Pileus even on the disk, glabrous O. striijjilea. 



13. Pileus silky or flocculose O. Epichysium. 



14. Pileus viscid O. lilacifolia. 



14. Pileus not viscid 15 



15. Pileus olive green O. olivaria. 



15. Pileus some other color 16 



16. Stem bright yellow O. chrysophylla. 



16. Stem pallid or rufescent O. pyxidata. 



16. Stem date-brown O. Campanella. 



5 



