44° Contributions from the Gray Herbarium 
Palmer 166 p. p. (G). Mexico without locality: Pavon (B). To 
this species I also refer with doubt specimens in hb. Kew. collected 
at Acapulco by Sinclair and in ‘“‘ Mexico ” by Baites. Pringle 2988 
(Guadalajara, 1889: G), in flower and young fruit, may belong 
here, but shows no long hairs among the short ones of the stem. — 
T.1. Fia. 26. 
50. P. jaliscana, sp. nov. Basis. ... Caulis erectus sparse 
ramosus subdense pubescens pilis aliis brevioribus patenti-incurvis 
aliis paucis longis patentibus rectis, 4 dm. altus et ultra. Folia 
ovata acuminata cuspidata basi cuneata vel cuneato-rotundata 
utrinque subdense pubescentia pilis brevioribus patenti-incurvis 
paucis longioribus subpatentibus intermixtis, venis lateralibus 5-6- 
jugis anastomantibus, media 3.5-4.2 em. longa 1.4-2 cm. lata in 
petiolis 2.5 mm. longis, inferiora et superiora minora. Racemi 
caulem et ramos terminantes 7.5-15 em. longi 30-57-flori. Flores 
5-5.5 mm. longi. Sepala oblongo- vel lanceolato-ovata acuminata 
sparse incurvo-puberula et ciliolata 2.5 mm. longa. Alae ovali- 
obovatae apice rotundatae basi cuneatae basi ima puberulae ceter- 
um glabrae 5.2-5.3 mm. longae 3-3.3 mm. latae. Carina 5-5.5 mm. 
longa. Petala superiora oblonga apice rotundata vix dilatata. 
Capsula orbicularis margine ciliato excepto glaberrima basi rotun- 
dato-truncata apice emarginata (vallecula aperta 1-1.3 mm. alta) 
8.5-9 mm. longa 8.5-9 mm. lata. Semen pilosum 4.3 mm. longum. 
Arillus 1.5 mm. altus, in margine dorsali 2 mm. longus, umbone 
parvo dense piloso, margine scarioso lato irregulariter lobulato, 
margine anteriore verticali dorsali subhorizontali vel curvato-ad- 
scendente. — Jauisco: barranca near Guadalajara, June 1886, 
Palmer 417 (tyre couu.: BG). — Very distinct in seed characters 
from P. Albowiana, which comes from the same locality. — T. 2. 
Fic. 34. 
51. P. brachysepala, sp. nov. E basi fruticulosa caules plures 
erecti sparse ramosi plus minusve flexuosi subdense incurvo-pu- 
beruli pilis paucis longis late patentibus adjectis, 2-3.5 dm. alti. 
Folia media et superiora ovata acuminata vix mucronulata basi 
rotundato-cuneata, sparse incurvo-puberula, pilis paucis longis 
laxis adjectis, nervis lateralibus ca. 5-jugis albidis, 2.8-4.5 cm. 
longa 1.2-2.1 cm. lata, in petiolis 1.5-2.5 mm. longis; ea ima ob- 
longo-ovalia vel obovata apice acuta 5-10 mm. longa 2-4.5 mm. 
lata. Racemi 15-33-flori 5-7 cm. longi. Flores ut videtur ochro- 
