8o Writings of Edward L. Lij-eene. [zoe 



Hemizonia hispida Asclepias pinifolia 



Hemizonia spicata Gilia hcterodoxa 



Hemizonia oppositifolia Krynitzkia Cedrosensis 



Layia graveolens Krynitzkia cycloptera 



Blepharizonia laxa Convolvulus fid cratus 



Lasthenia Coulteri ChamcEsaracha physaloides 



Hytneiiopappus robustus Antirrhinum Kellogg ii 



Senecio AustincE Pe?itstemo7i Kleei 



Senecio ammophilus Pentstemon pauciflorus 



Senecio Laynecc Mimulus acutidcns 



Senecio Hozvellii Mimulus barbatus 



Hieracium brevipilum Mirmdus Hallii 



Nemctcladus capillaris Mimulus inodorus 



Neniacladus niontanus Mimidus niicrophyllus 



Ne7nacladus pinnatijidus ' Ezinamcs Breweri 

 Neniacladus pubescens Eu?ia?i us Laynece 



JVemacladus tenidssimus Planiago Californica 



Prof. C S. Sargent in his magnificent "Trees of North 

 America," reduces every one of Mr. Greene's species occurring 

 thus far in the work of which four volumes are now published. 

 They are Rhamnus ijisidaris, Rhamnus rubra, Ceanothus arboreus 

 (retained as a variety), Cerasus Californica, Lyonothamnus asplcni- 

 folius, Amelanchier glabra, A me la?tchier pallida. Ptelea crenulata 

 is not even mentioned. Besides these all the species revived 

 from synonymy by Mr. Greene are reduced. 



Rev. Thomas Morong revising in Bull. Torr. Club xv. the 



American Typhaceae reduces the species of Mr. Greene, Typha 



bracteata and Spargaiiium Californicum, belonging to that order. 



Prof. William Trelease has also reduced the species of 



Rhamnus, as well as of Epilobium. 



C. F. Millspaugh in Pitt, ii, 82-90 considers Euphorbia Neo- 

 Mexicana and E. rugidosa Greene to be merely varieties of 

 E. serpyllifolia Pers. 



The species of Astragalus proposed by Mr. Greene have been 

 recently studied from the types, and the notes upon them appear 

 in pages 22 — 33 preceding. 



The descriptions of the species hereinafter enumerated are in 

 most cases to be found either in the series of papers issued by 



