80 Writings of Edward L. Greene. of Came 
Hemizonia hispida Asclepias pinifolia 
Hemizonia spicata Gilia heterodoxa 
Hemizonia oppositifolia Krynitzkia Cedrosensis 
Layia graveolens Krynitzkia cycloptera 
Blepharizonia laxa Convolvulus fulcratus 
Lasthenia Coulteri Chamesaracha physaloides 
Hymenopappus robustus Antirrhinum Kelloggii 
Senecio Austine Pentstemon Kleet 
Senecio ammophilus Pentstemon pauciflorus 
Senecio Laynee Mimulus acutidens 
Senecto Howelliz Mimulus barbatus 
flieracium brevipilum Mimulus Hallii 
Nemacladus capillarts Mimulus inodorus 
Nemacadus montanus Mimulus microphyllus 
Nemacladus pinnatifidus Eunanus Breweri 
Nemacladus pubescens Eunanus Laynee 
Nemacladus tenuissimus Plantago 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 tnsularis, Rhamnus rubra, Ceanothus arboreus 
(retained asa variety), Cerasus Californica, Lyonothamnus asplent- 
Solius, Amelanchier glabra, Amelanchier 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 Sparganium 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. rugulosa 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 
