aay 
604 — PROCEEDINGS OF THE AMERICAN ACADEMY. 
Aristolochia Nelsonii, n. sp., suffruticosa prostrata ; caule prope 
basim ramoso velutino, ramis diffusis angulatis ; foliis ovato-cordatis 
vel saepius auriculato-trilobatis, apice acuminatis, basi ad petiolum 
Cc t tik ( iculi rotundatis), palmate trinerviis et reticu- 
latis, supra investis regulariter adpressis pilis basi minute pustulatis, 
subter subvelutinis ; petiolis canaliculatis 1-2 cm. longis ; floribus soli- 
tariis in axillis, pedunculis gracilibus 2 cm. longis, apice cum bractea 
sessili ovato-cordata acuminata 1 cm. longa 5-7 mm. lata; calycis 
limbo patulo peripherico longe caudato, basi purpureo-marginato, flavo 
circa os, cauda flava 4-5 em. longa 2 mm. lata; tubo geniculato 4 
mm. diametro ; columna superne quinquelobata basi stipitata ; antheris 
5; ovario clavato albo-pilosissimo pedicellato. —Oaxaca : San Gero- 
nimo, 61 m. altitude, July 1-5, 1895, E. W. Nelson, no. 2769 (type, im 
hb. Gray). This approaches A. longicaudata Watson, but differs mm 
much broader limb, and in the form of the leaves. It belongs to Sect. 
Gymnolobus Detre. |. ¢. and to the pentandrous group. es 
Passiflora platyneura, n. sp., caulibus angulatis et striatis hispidis 
pilis albis uncinatis ; cirrhis nullis ; foliis infra mediam partem WO" 
batis 2-4 cm. longis 3-5.5 cm. latis, lobo medio oblongo-ovato laterali- 
bus inaequaliter bilobatis, basi late reniformibus, lobis margine integrs 
vel saepissime irregulariter dentatis, dentibus apice aristatis, nervils 
supra filiformibus subter planis; petiolis ca. 1 cm. longis aplce b- 
glandulosis glandulis crasse stipitatis ; stipulis viridibus oblique ovatis 
subfaleatis apice aristate attenuatis 3 mm. longis ; floribus axillaribus 
pedunculis 15.-2 cm. longis ; bracteis 2-3 proximis angustissime line- 
aribus attenuatis 2 mm. longis; calycis tubo rotato-campan to 
1.5 cm. lato, lobis lineari-oblongis apice obtusis 1.5 cm. longis 6 ™™> 
latis uninerviis, interiore glabris exteriore hispidis ; petalis tenuibus 
oblongo-lanceolatis ca. 1 cm. longis 2.5 mm. latis; corona exterior 
filamentosa, filamentibus 1.3 cm. longis ad basim liberis ; corona 1 
tanti ; _gynandrophora 9 mm. longa glabra ; fructibus globosis 2 
cuneatis. — Oaxaca: Cuilopan Mountains, altitude 2135 m., 27 July, 
Felipe, altitude 2287 m., 31 May, 1894, C. G. Pringle, no- 5750. This 
species is probably nearest P. Pringlei Robinson & Greenman, i 
most noticeably in the shape of the leaf, the position of the supul 
glands, and the white instead of dark pubescence. The differences ” 
: P n. sp., arborescens ; ramulis divaricatis ee 
glabris ; foliis alternis obovatis 3-5 cm. longis 2 cm. latis, bast cn” 
. 
breviter petiolatis, apice rotundatis vel truncatis, coriaceis superne nitida 
