12 PROCEEDINGS OF THE AMERICAN ACADEMY. 
Iquiqui, et Arica, 1831, H. Cuming, n. 953 (hb. Kew.); Cobija, 1841, 
Gaudichaud (hb. Berol.). 
10. P. pupescens J. E. Sm., fruticosa oppositiramea 1-2 m. alta; 
caulibus teretibus a cortice griseo tectis; ramulis foliosis glanduloso- 
tomentellis ; foliis oppositis, late rhomboideis, grosse arguteque in- 
aequaliter dentatis basi cuneatis vel abrupte angustatis graciliter 
petiolatis 1.4-3.3 cm. longis 1-3.6 cm. latis sub lente utrinque 
papilloso-granulosis, petiolo fulvo-tomentoso 8-18 mm. longo; capi- 
tulis numerosis congestis corymbosis 4—5-floris; involucri squamis 
anguste oblongis attenuatis dorso glanduloso-puberulis ; corollis albis 
vel (?) flavidis. —J. E. Smith in Rees, Cycl. xxvii. n. 2 (1814); DO 
Prod. y. 105 (1836). P. quinqueflora Cass. Bull. Soc. Philom. 1819, 
p. 128 (1819), et Dict. Sci. Nat. xli. 116 (1826); DC. Prod. v. 105 
(1836). — Peru: spec. typ. in hb. L. f. (hb. Linn. Soc.) ; Dombey (hb. 
Par.); Mathews, n. 946 (hb. Gray); Obrajillo, Wilkes (hb. Gray, hb. 
U.S. Nat. Mus.) ; Lima, Cuming, n. 1045 (hb. Brit. Mus.); ad pedem 
montis Amancaes prope urbem Lima, 21 Julio, 1876 (floribus albis), 
André, n. 4117 (hb. Gray); in rupibus prope Lima, 30 Nov. 1901, 
Weberbauer n. 9 (hb. Berol.). 
11. P. Mathewsii, n. sp., suffruticosa oppositirames; ramis tenuibus 
rubescentibus glaberrimis; foliis oppositis membranaceis ovatis crenato- 
serratis vel grosse-dentatis acuminatis graciliter petiolatis 3—-5-nervils — 
utrinque viridibus glabris 4~6 ‘cm. longis 2-3 cm. latis, petiolo 7-10 
mm. longo; panicula laxe ramosa, ramis gracilibus teretibus puber 
valde patentibus vel arcuato-ascendentibus prope apicem capitula 
subcorymbosa ferentibus; capitulis 4-5-floris; involucri squamis 
breviter acuminatis vel saepius obtusiusculis ca. 5 mm. longis aplce 
ciliolatis; corollis valde exsertis, tubo proprio gracili glanduloso- 
puberulo, faucibus cylindricis bene distinctis quam dentes lim 
longioribus. — Peru: Purruchuca, Mathews, n. 1015 (hb. Kew.). 
12. P. rrorpunpa DC., fruticosa oppositiramosa minutissime Pu- 
berula vel subglabra; ramis patentibus griseo-fuscis foliosis; fo 
oppositis ovatis serrato-dentatis acutis basi rotundatis vel abrupté 
angustatis graciliter petiolatis subglabris 1-2 cm. longis; panicula 
patente ramosa pyramidali 7-11 cm. lata; capitulis numerosis 4-6- 
floris ; involucri anguste cylindrici squamis oblanceolati-oblong)s be 
-linearibus 3-costatis dorso convexis et glanduloso-puberulis a % 
corollis albis, tubo proprio gracili dense glanduloso-atomifero ySaee 
fauces cylindrici subglabri breviori, limbi dentibus deltoideis bene 
achaeniis gracillimis prismaticis 5-angulatis basi gradatim attenu® 
subrectis, angulis glanduloso-hispidulis. — Prod. v. 105 (1836) 5 ; 
Cat. Pl. Vase. Chil. 174 (1881). — Perv: in montibus Andinis, 1 
