MONOGRAPHIA POLYGALACEARUM. 15 
B. Alæ margine et sæpe dorso ciliatæ. 
1° Arillus capitelliformis, marginibus brevissime membranaceis, integris vel 
subintegris. 
+ follia linearia parva puberula, capsula elliptica cordato -emarginata. 
P. Barbeyi Chod. 
jt folia lanceolato-linearia, velutina, capsula lanceolata, late emarginata 
bicornis. P. leptosperma Chod. 
vide etiam P. Xanthi p. 19, et P. pulchella Schld., p. 47. 
2° Arillus capitelliformis, marginibus angustis, lobatis, capsula late margi- 
nata. 
+ Alæ ellipticæ, obtusæ, carinam superantes, folia elliptica coriacea buxi 
formia.. P. buxiformis Wild. 
++ Alæ lanceolatæ, angustæ, acutæ, corolla breviores, folia molliter hir- 
sufa, P. ovathfolia Gray. 
3° Arillus marginibus membranaceis in pallium partem dimidiam seminis 
superiorem involvens evolutus ; alæ obovatæ, folia linearia. 
P. obseura Benth. 
4° Arillus in appendicem dorsalem linearem descendentem prolongatus, cap- 
sula marginibus angustissimis cincta. 
 margo anterior arilli in duas appendices lineares dorsali fere æqui- 
longas prolongata ; alæ margine pilis apicem versus crispulis præ- 
ditæ. P. pubescens Gray. 
fr margo anterior arilli haud in appendices prolongata ; alæ margine 
pilis haud crispulis præditæ. P. puberula Gray. 
B. Arillus prorsum membranaceus, albus nec umbonatus. Stigma superius appen- 
diculum involvens. 
+ Alæ ellipticæ, obtusæ nec oblongæ, glabræ, 
a. folia herbacea cuspidata. P. Riviniana H. B. K. 
b. folia herbacea acuta. P. andensis Chod. 
++ alæ ellipticæ et ciliatæ vel oblongæ, ciliatæ vel non ciliatæ. 
