328 Boraginaceae 
C. Sepals 6—10 mm. long, narrowly linear; leaves all linear. E. 
C. barbigera Gr. 
CC. Sepals 2—4 mm. long, lanceolate: some of the leaves usually wider than 
linear. 
D. Calyx twice as long as the nutlets; lower leaves oblong or linear-lanceolate. 
E. (C. fendleri for our region.) 
C. ambigua Gr. 
DD. Calyx but little longer than the nutlets; lower leaves spatulate. W. C. E. 
C. muriculata Gr. . 
BB. Nutlets smooth and shining, acute or acuminate, with rounded sides. 
E. Nutlets I or rarely 2, long-acuminate. 
F. Ventral groove of the nutlets not forked at base. EF. (Apparently C. 
multicaule. ) C. flaccida Gr. 
FF. Ventral groove of the nutlets forked at base. 
G. Plant 5—15 cm. high; leaves 5—15 mm. long; inflorescence 2—8 cm. 
long; corolla-lobes | mm. wide. E., 
C. suksdorfii Pip. 
GG. Plant 20—40 cm. high; leaves 10-20 mm. long; inflorescence 
5—10 cm. long; corolla-lobes not over 0.7 mm. wide. U. 
C. rostellata Gr. 
EE. Nutlets 4, acute or short-acuminate. 
H. Ventral groove of the nutlets not forked at base. 
I. Nutlets attached nearly their whole length to the stalk-like base, their 
ventral groove not at all widened at base. W. 
C. leiocarpa Gr. 
II. Nutlets attached to their middle to the stalk-like base, their ventral groove 
slightly widened at base. C. E. (Apparently C. confusa.) 
C. affinis Gr. 
HH. Ventral groove of the nutlets forked at base. 
J... Ventral groove of nutlets not dilated at base into an open scar; sepals 
lanceolate. E. (C. torreyana calycosa; C. grandiflora.) 
C. torreyana Gr. 
JJ. Ventral groove of nutlets slightly dilated at base into an open scar; 
sepals linear. EE. (C. ramulosissima Nels. 
AA. Calyx in fruit open, persistent, soft-hairy; 3 or 4 of the nutlets with scarious crenate 
wings. E, C. pectocarya Gr. 
AMSINCKIA FIDDLE-NECK 
Annual, coarse, hispid. Leaves oblong or ovate to linear. Flowers small, yellow, 
in racemes or spikes; inflorescence at length loose, without bracts except below. Calyx 
persistent. Corolla salverform or somewhat funnelform: tube equaling or exceeding the 
calyx; throat naked or with minute hairy tufts opposite the lobes. Style filfiorm; stigma 
2-lobed. Nutlets ovate-triangular or 3-angled, coriaceous or crustaceous, attached above 
the middle to an oblong-pyramidal gynobase, the scar ovate or oblong. (Honor of W. 
Amsinck, a German, who materially aided the Hamburg Botanical Garden. ) 
A. Nutlets roughened with short hard points, convex or keeled on the back. 
B. Calyx-lobes linear; plant erect. W. E. 
A. intermedia F. & M. 
BB. Calyx-lobes lanceolate or ovate; plant spreading. W. E. (A. lycopsoides 
bracteosa.) A. lycopsoides Lehm. 
