Blake — Revision of Polygala 29 
limestone rocks near Tucson, Santa Catalina Mts., 1881, Lemmon 
498 (G). — T. 1. zen 16. 
30. P. longa, sp. nov. Suffruticulosa erecta pluricaulis 2—4.5 
dm. alta. Caules grmlatets vel sparse ramosi ut axes racemorum 
et pedicelli dense griseo-incurvo-puberuli. Folia inferiora oblonga 
vel oblongo-ovalia utrimque obtusiuscula mucronata puberula pilis 
incurvis 1.1-1.7 em. longa 4.5-8 mm. lata; media et superiora 
oblongo-lanceolata vel -lineara acuta vel acuminata interdum ob- 
tusa mucronata griseo-puberula pilis subincurvis brevissime petio- 
lata paullum nervosa 1.7-3.6 cm. longa 1.5-4 mm. lata. Racemi 
laxiflori 3-10.5 cm. longi. Sepala lanceolata pubescentia 3-3.5 mm. 
longa. Alae ovales vel suborbiculares apice rotundatae subsparse 
pubescentes 4.8-5.5 mm. longae 2.6—4 mm. latae. Carina purpurea 
glabra 5-5.7 mm. longa. Petala superiora oblique oblonga 3.6 mm. 
longa. Capsula ciliolata elliptica emarginata 8 mm. longa 6-7 mm. 
lata. Semen 44.5 mm. longum pilosum. Arillus 1 mm. altus 
(margine dorsali 1.5 mm. longo), umbone piloso 0.4 mm. alto, mar- 
gine scarioso valde lobulato ad 0.6 mm. alto in lobos duos laterales 
et unum dorsalem longiorem horizontalem subdistincte diviso. — 
P. puberula Gray! Pl. Wright. ii. 30 (1853), not i. 41 (1852). — 
Curuvuanua: Potts (BK). Also Texas: stony ridges, and in the 
alluvium at their base, on the Pecos R., May 1852, Wright 936 p. p. 
(TyPE cott.: GK); without locality, Mexican Boundary Survey 
under Emory 189 (K).—T.1. Fic. 17. 
The Kew specimens of Wright 936 are mixed with specimens of 
P. hemipterocarpa Gray. The species has been confused with 
P. obscura. 
31. P. retifolia, sp. nov. Caules 2-3 e basi iitkiebions erecti 
simplices vel supra sparse ramosi ad 4 dm. alti dense pubescentes 
pilis aliis brevioribus incurvis aliis longioribus rectis patentibus. 
Folia media et superiora linearia vel lineari-lanceolata acuminata 
mucronulata basi acuminata ad rotundata-cuneata sicut caules 
pubescentia reticulato-nervosa (nervis lateralibus validioribus ca. 
5-jugis) 2.6—4 em. longa 1.8-4 mm. lata, in petiolis 1 mm. longis vel 
brevioribus; infima valde reducta 4-11 mm. longa. Racemi caules 
et ramos terminantes 8-14 cm. longi 20-30-flori sicut caules et 
pedicelli (3-4 mm. longi) pubescentes. Flores 5-6 mm. longi ut 
videtur viridescentes. Sepala ovata vel ovato-lanceolata acuta vel 
acuminata ut caules pubescentes 2.5 mm. longa. Alae obovato- 
