Cordia, 779 
b) Shrubs, with white branches, minute, ap- 
pressed leaves, and short terminal spikes 7. Echiochilon. 
III. Subtribe: Anchuseae. — Nutlets 4, inserted 
on a flat or short-conical gynobase by a 
concave surface usually surrounded by a ring, 
which is sometimes left on the gynobase when 
the fruit is shed. 
a) Throat of corolla with 5 scales. 
1. Corolla cylindrical or funnel-shaped; 
lobes nearly erect .... .- ... 8. Symphytum. 
2. Coralla rotate; lobes 2 ee oe aus es) Ole bornago: 
3. Corolla funnel-shaped, sometimes bila- 
biate; lobes spreading ..... . . 10. Anchusa. 
b) Throat of the corolla naked. 
1. Squamules of the corolla half way down 
is MLO A eo otem aE ; »  llsiNonnea. 
. Throat of the corolla Se stall ieee 
verse wrinkles ... . 12. Alkanna. 
IY. Subtribe: Lithospermeae. — Nutlets ares or 
incurved, inserted on a flat, convex, or slightly 
conical gynobase by a flat surface at the base 
of the inner angle. 
a) Racemes bracted. Anthers obtuse at 
the tip. 
1. Corolla-lobes spreading. 
a) Style entire. ......... . 13. Lithospermum. 
8), Shy le 4 iid tira 3 cre aery 14. Arnebia. 
. Corolla more or less Bilabiate. es ipee 15. Eehium. 
b) eek bracted. Anthers acuminate at 
the tip, sagittate at the base. 
1. Nutlets straight, the basilar areola not 
stalkediewicre turiciesiei <mCito: ic . . 16. Onosma. 
2. Nutlets curved, the basilar areola some- 
wath stalked . ...... =. +» » 17. Podonosma. 
441. (1.) Cordia Linn. 
Flowers often polygamous. Calyx-tube funnel-shaped or tubular, 
smooth or sulcate; lobes 2—5, short, sometimes cohering. Corolla- 
tube cylindrical or funnel-shaped; lobes 4—5, patent or recurved, 
usually imbricate or subcontorted. Stamens usually 4—5, inserted 
in the corolla-tube; filaments filiform; anthers ovate-oblong or linear. 
Ovary 4-celled; style elongated, filiform, twice forked; stigmas 4, 
linear or capitate; ovule erect, attached at the base or below the 
