outer suriace of corollas glandular-pubescent; inflorescence 
lo and sevals glandular 
8&8 Corollas prevailingly whitish or cream-colored, sometimes 
tinced with rose or blue, 15-20 om, long 
q P, attenuatus 
@ Corollas prevailingly blue or purple, infrequently whitish 
; but if so usually tinged on the lobes with blue 
ZC rose 
jo Yoduncles bearing the axillary flower clusters ascend= 
_,/ing at an angle of 45 degrees or tending to 
ydaee To) 
|Z Stens 20-40 cm, tall, the leaves mostly entire 
/O, Pe albertinus 
12, stems 40-80 cm, tall, the leaves mostly dentic- 
/@ vilate MI. P. ovatus 
/o Peduncles besring the axillary flower clusters erect 
CA ~ ~~) Hi srt to wis > b m 
e 
[> 
2,Anther-sacs opening only near the point of attachment, the anther 
(o horseshoe sha 
4 Leaves linesr,l-4 mm, broads corolla lobes not Ciliates; fertile 
: § filaments glabrous 
(, Leaves opsosite, lanceolate to narr ‘owly elliptic; corolla 
jo violet-blue; sterile filament lightly bearded 
4Z Pe diphyllus 
& Leaves ternate, linear to narrowly lanceolate; corolla 
fo vale violets; sterile filanent heavily bearded 
/4. P. triphyllus 
4 Leaves oblong-lancoolate, 1-2 em, broad: corolla lobes ciliate 
g on the margins; fertile filament hairy 
Le 
a IX’ o venustus 
_——, 
C> 
he Dita ne elhadadan gi aed 
