~ COMPILATIONS 
- Under this head it is our intention to publish each month, 
or as often as space may permit, either entire reprints of synop- 
ses of articles which appear in journals not accessible to those 
who have limited library facilities. Other botanists are cord- 
ially invited to contribute, both by sending material for this de- 
partment, or by pointing out where it may be obtained. 
THE GENUS ERIOGONUM, by Michael Gandoger, Bulletin de la 
Societe Royale de Botanique de Belgique, 42: 183-200, 
July 10, 1906. 
Only the new forms described in this paper are given here, 
followed by the page number. Geographical inaccuracies are 
corrected whenever evident. 
E. Abertianum ruberrimum 185. Flores subsessiles 
intense rubri, fructus purpurei 2m. late, alae planae obtusae, 
panicula pauciflora. Hab. Mexico, prov. Chihuahua ad Casas 
Grandes ( [ownsend and Barber n. 369). 
Var. neomexicanum 185. Flores longe pedunculati 
pallidi vel albidi, fructus vix dilute rubidi 3 m. lati, alae crisp- 
ulo-erosae, panicula ampla repetite ramosa. Hab. New Mexico, 
in Organ Mountains, Dona Ana county, altitude 4500 feet 
(Wooton n. 427). 
E. arizonicum 186. Affinis praecedentis a quo longe 
differt foliis inferioribus lineari-oblongis subtus niveis caulinariis 
duplo longioribus ac angustioribus mucronatis dense villosis, 
involucris longe pedunculatis foliaque saltem duplo superanti- 
bus solitariis nec glomeratis, perigonio albo 2-3-plo minore. 
Hab. Arizona ad Bill Williams Mountain, altitude 7000 feet 
(MacDougal n. 311). 
Species a vero E. Adertzano et habitu et inflorescentia tam 
abunde recedit ut ab eo vix aut vix appropinquare videatur 
typumque sane constituens. 
