ROSE—MEXICAN AND CENTRAL AMERICAN PLANTS. 13 
of a dark bluish green color, the flowers longer and broader, of a much deeper red 
color, with a more gradually curved perianth tube, and a longer-exserted style. If 
these characters, drawn from Hooker’s illustration, should be confirmed by the 
specimen, I should have little hesitation in separating it specifically from geminiflora, 
But until the original material has been examined, or more collected at Real del 
Monte, the source of Hooker’s specimens, no further note need be taken of it. 
SPECIES EXCLUDED. 
Lee] 
*, maculata Mart. = Manfreda sp. 
> mexicana Link.= Prochnyanthes sp. 
~~ 
SPECIES OF BRAVOA EXCLUDED FROM POLIANTHES. 
B. singuliflora Watson= Manfreda sp. 
B. densiflora Robinson & Seaton= Pseudobravoa densiflora Rose. 
Bravoa bulliana Baker= Prochnyanthes bulliana Baker. 
PROCHNYANTHES AND ITS SPECIES.“ 
The genus Prochnyanthes seems to be well marked, but close to 
Polianthes, distinguished chiefly by its perianth. The writer is unde- 
cided whether there is but one or several species. From his observa- 
tions on material referred to one of the so-called species, he is inclined 
to the opinion that there is only one somewhat variable species. Three, 
however, have been described, and under as many generic names. The 
first was described in 1837 as Polianthes mexicana, and afterwards 
referred to Po//unthes tuberosa. Vf there is but a single species, the 
name Prochnyanthes mericana must stand. The second was described 
as Bravoa bullfana, but has been more recently referred to Prochny- 
anthes. The third was described as the type of Prochnyanthes. 
This genus was established by Dr. Sereno Watson in L887 upon plants 
brought back by Dr. Edward Palmer from near Guadalajara. It has 
been supposed to be known only from this region. The writer found 
the type species to be very common in the Sierra Madre, and speci- 
mens were brought back from the Territorio de Tepic and the States of 
Durango, Zacatecas, and Jalisco, of western Mexico. ‘These specimens 
show considerable variation from the type, but I have been compelled 
to consider them forms of a widely varying species. 
Living specimens were brought home, and these are the first which 
have been reported in cultivation. The underground portion of the 
plant has been wrongly characterized, and as my specimens show some 
deviations from the type, I have thought best to recharacterize the 
species, drawing largely from notes taken in Mexico with the living 
plant in hand. 
«Prochnyanthes Wats. Proc. Am. Acad. 23: 457. 1887, 
Type species, P, viridescens Wats. loc. cit, 
