OROBANCHACEAE 
4947. Proboscidea altheaefolia 
4948. Proboscidea lousianica 
Flowers on long slender pedicels, solitary or several on the stem, without floral bracts. 
Stems slender, very short, bearing 1 or emma eo - 3 pedicels many times exceeding the length of the stem; 
ealy eichea subulate-attenuate, longer than tube. . O. uniflora occidentalis. 
Stems stout, each bearing 3-12 pedicels Dine or Sake than the stem; ees Sraneulas | = lanceolate, 
ualin gor on rte hiss the tube. oO. 
gg a gi ben e, corymbose, or paniculate, bey flowers sessile or pedicellate; floral beaks ee pry in oi ramosa). 
Calyx not parted to cg base before ae she 
Sak folds obso inflorescence a compact, pyramidal, terres panicle of sessile flowers; 
base of ‘on se rs Sat thick ned. . O, bulbosa. 
Palatal a, present (small in O. aia. inflorescence various, the — pedicellate, or sessile in 
the spicate forms; base of stem not greatly ices qe (somewhat so in 0. corymbosa). 
Calyx 3 rake: or -divided, Cesrcaate * native s' 
x short, the lobes equaling or ‘. little "surpassing the tube; oar gc elec body a con- 
spicuous solid maar 15- 20 mm. in dia . O. pin 
Calyx bic gp pcg the Sepa tom usually en, surpassing the = basal gee Ar when 
vident, o tra 
Flowers pedicellate, Ma lower ee 8-25 mm, long, sometimes shorter above; inflores- 
= corymbose, subracemose, or paniculate. 
TT 
or compactly corymbose; anthers woolly. 
Tatorheccuce mostly open-corymbose; corolla-lips about 10-14 mm. long; lobes of 
the upper corolla-lip acute (rounded i in var. violacea). 
. grayana. 
Inflorescence compactly corymbose; corolla-lips about 7-8 mm. bas Oe Pg ae of the 
upper corolla-lips obtuse or rounded. 7. O. corymbos 
Inflorescence subracemose or paniculate; anthers glabrous or sparsely hairy. 
. californica 
chishateabel sessile or = i 
= lower ones short-pedicellate; lalliciNenses Saaecelalty eee the 
much elongated in age. 
s to twice the length of the tube. BOve 
ue ce especially those of the lower lip, narrowly acute; sales lobes one and 
bt rounded; calyx-lobes twice or more ~ length BS ‘the tube. 
Calyx 4-toothed; introduced specie - " ramosa. 
Calyx parted to the base before and behind, oe divisions 2-toothed. 11. O. minor 
1. Orobanche uniflora subsp. occidentalis (Greene) Abrams ex Ferris. Naked 
Broomrape. Fig. 49 
Aphyllon uniflorum var. sea Greene, Man. Bay — 285. 1894. 
Aphyllon sedi Suksd. Deu t. Monatss, 18: 155. 
Ap inte minutum Suksd. ae 
Orobanche un niflora f. sedi Bec, Paansenrcch — 48. 1930. 
greg k, op 
| Bull. oad Club 60: 446. 
ubsp. aca Abrams ex Ferris, Contr. se Herb, 5: 99. 7958. 
tems simple, 0.5-2 
Orobanche uniflora s' 
cm. long, pee anean, bearing tee ovate-oblong ong es usu- 
; 8 cm. , glandu ais ubescen stly 1-flow 
nulat eae h lobes iciesinie sabutate 
he tube; rele ite or tik purple to almost white, 12-22 mm ong, ger urved, throat 3-5 mm. 
aly e lobes broadly ovate, subequal, scarcely sprendicay 2-3.5 mm. ine: anthers glabrous or 
bose bescent. 
