ah all 
<4 

Boraginaceae 323 
N. Raceme bractless; roots slender; flowers white or blue; corolla-lobes con- 
volute in the bud. MyosotTis (p. 329) 
NN.  Raceme bracted; roots thick; flowers white or yellow; corolla-lobes im- 
bricate in the bud. LITHOSPERMUM (p. 330) 
COLDENIA 
Annual (ours), low, herbaceous (ours) or slightly woody, prostrate (ours), hairy 
(ours). Leaves entire; in ours ovate to rounded-rhomboid, 4—-8 mm. long, margin 
somewhat revolute. Flowers many, small, white or pink, sessile, usually in cluster (so 
ours). Calyx equaling the corolla-tube (ours). Corolla short-funnelform, rarely much 
exceeding the calyx; tube with 5 scales inside near base. Stamens included. Ovary en- 
tire, with 4 grooves (ours), 4-celled; style 2-cleft or -parted. Fruit separating at ma- 
turity into four |-seeded nutlets. (Honor of C. Colden, a colonial Lieutenant-Governor 
oN pg el Nea Se C. nuttallij Hook. 
HELIOTROPIUM HELIOTROPE 
Annual (ours) or perennial. Leaves in ours entire, ovate to linear, 2.5——5 cm. 
long, 3—6 mm. wide, obtuse, mostly narrowed to petioles. Flowers small (about 4 mm. 
wide), white or blue, in scorpoid spikes (ours) or scattered. Calyx-segments lanceo- 
late (ours) or linear. Corolla salverform or funnelform; throat naked; tube cylindric. 
Stamens included; filaments short or none. Fruit 2- or 4-lobed (ours), separating into 
two 2-seeded carpels or into four |-seeded nutlets (ours). On saline soil. (Gk. he- 
lios—the sun; trope—a turn; referring to its flowering at the summer solstice.) E. 
H. curassavicum L. (Sea-side Heliotrope) 
PECTOCARYA 
Annual. Leaves imperfectly opposite. Flowers small, scattered along the whole 
length of the stem. Calyx spreading or reflexed in fruit. Corolla-throat almost closed 
by the appendages. Stamens included. Nutlets flat, thin, attached beneath at the inner 
edge; margin winged, or laciniately bordered or pinnately prickly; prickles bent into a 
hook at tip. (Gk. pekteo=comb-like, karyon==a nut; from the comb-like margin of the 
nutlets of some.) 
A. Bristles of the calyx-lobes small, the tip curved into a hook; herbage strigose-pubes- 
cent; wing of the nutlets none. E. 
P. pusilla Gray 
AA. Bristles of the calyx-lobes stout, straight; herbage hispid; wing of the nutlets 
scarious, bristly. E. P. setosa Gray 
AAA. Bristles of the calyx-lobes small, straight; herbage strigose pubescent; wing of 
the nutlets not scarious, undulate or fiddle-shaped, not bristly. E. 
P. penicillata DC. 
CYNOGLOSSUM HOUND’S TONGUE 
Coarse, hairy, perennial (ours). Leaves wide. Flowers rather small, in panicled 
and mostly bractless racemes. Calyx persistent, open in fruit. Corolla short-salverform 
or funnelform, with conspicuous arching crests at the throat. Stamens included. Style 
included. Nutlets of the fruit 4, oblique, flat or convex above, wingless, covered on back 
or all over with short stout barbed prickles. (Gk. kyan—a dog, glossa—the tongue; 
from a resemblance in the leaf.) 
