112 Contributions from the Gray Herbarium 
P. aparinoides H. & A., the third, Mandon 839, to which the name 
must be restricted, a distinct Bolivian species. 
P. nutkana Moc. ex DC. Prod. i. 330 (1824); A.DC. Calq. Dess. 
t. 39. A very dubious species, perhaps Mexican. See Robinson in 
Gray, Syn. Fl. i. pt. 1. 449 (1897). 
P. ovata Poir. Ency. v. 498 (1804). Belonging to subsect. He- 
bantha of Hebecarpa, but not identifiable from description. 
P. platycarpa Benth. Recorded by Bennett, 1. c. 139 (1879). I 
have not seen his specimens (Lachmann 32-35, Galeotti 881). 
Hemsley and Chodat both credi original Hartweg 
specimens (from Guayaquil) to Maxico. 
P. pubescens Schlect. Linn. xiv. 160 (1840), not Mart. nor Muhl., 
nomen, = P. grandiflora Walt. var. leptophylla Chod. ? 
P. pubescens Gray var. gracilis Chod. Monog. ii. 22 (1893). Not 
seen; based on Galeotti 898. 
P. pulchella Schlecht. & Cham. Linn. v. 230 (1830), not St. Hil. 
(1829); Chod. Monog. ii. 15 (1893). ‘‘ Inter Marantial et Paso de 
Ovejas,”’ Vera Cruz, Schiede & Deppe. A still doubtful species. 
P. quadrangula Presl. Rel. Haenk. ii. 100 (1835-36). A species 
of Orthopolygala, perhaps P. scoparioides Chod. 
P. spergulaefolia St. Hil. Fl. Bras. Merid. ii. 28 (1829). Recorded 
(as a synonym of P. glochidiata HBK.) by Bennett, Journ. Bot. 
xvii. 202 (1879). True P. spergulaefolia is a South American species 
or variety of P. glochidiata HBK. 
P., strigulosa Schlecht. Linn. xiv. 160 (1840). A doubtful species, 
perhaps P. obscura Benth. 
P. tenella Willd. Sp. iii. 878 (1803). Perhaps P. paniculata L. 
Referred by Chodat (1. c. 499 (index)) to P. Funkii Chod. 
P. trichosperma L. Sys. XII. ed. iii. 232 (1768). South American; 
Hemsley’s and Bennett’s (1. ¢. 171, 202) records under this name 
refer to P. longicaulis HBK. 
P. velutina Presl, Rel. Haenk. ii. 100 (1835-36). Belonging to 
the subsect. Hebantha of Hebecarpa, but not determinable from 
description. 
P. verticillata L. Sp. ii. 706 (1753). Recorded from Mexico by 
Bennett (I. c. 202 (1879)) and gore (l. c. 62). The Bernoulli 
specimen is P. aparinoides H. & A.; Botteri ot is P. glochidiata; 
Seemann 2153 is P. alba Nutt. var. oe 
P. vulgaris Sess. & Moc. Pl. Nov. Hisp. os (1887), not L. 
Indeterminable. 
