778 Borraginaceae. 
terminal or inserted between the lobes; ovules laterally attached, 
ascending or pendulous. Fruit either a drupe with the endocarp 
entire or separating into 2 carpels or 4 pyrenes, or dry and separating 
into 4 rarely 2 nuts. Seed with a thin testa; albumen none or 
scanty; embryo straight; cotyledons flat and rather thick or rarely 
folded; radicle short. — Herbs, usually rough with coarse hairs, or 
in the drupaceous genera sometimes trees or shrubs with a softer 
indumentum or glabrous. Leaves alternate or very rarely opposite, 
usually undivided, entire or toothed, very rarely deeply lobed. 
Flowers in one-sided spikes or racemes, rolled back when young 
and often forked or dichotomous or rarely in irregularly-branched 
panicles or solitary. Bracts often not immediately subtending the 
pedicels and sometimes entirely wanting; bracteoles very rarely present. 
A considerable Order, the herbaceous genera chiefly spread over the 
northern hemisphere with a very few tropical or southern species; the frut- 
escent drupaceous genera chiefly tropical in the New as well as the Old World. 
A. Tribe I: Cordieae. — Ovary single with a terminal 
style. Fruit a green drupe. Seeds 4, exalbiminous 1. Cordia. 
B. Tribe Il: Heliotropeae. — Ovary single, with 
terminal style and 4: sutures fruit in ours dry, 
separating into 2 pyrenes or 4 nutlets. Seeds 
sparingly albuminous ............ =& Heliotropium. 
. Tribe IIL: Borragineae. — Ovary consisting of 
two 2-parted, rarely 2-celled carpels. Style arising 
from the base, between the carpels. Nutlets four, 
l-celled, or two, 2-celled. Seeds exalbuminous. 
The roots yield a reddye. 
Q 
I. Subtribe 1: Cynoglosseae. — Nutlets 4, in-: 
serted by inner face, on a flat, convex, conical 
or columnar gynobase, their tips projecting 
little if any above it. 
a) Fruiting calyx growing. Nutlets inserted 
by the whole inner face. Strigose herbs 3. Trichodesma. 
b) Fruiting calyx unchanged. Nutlets in- 
serted on a pyramidal column. 
1. Nutlets with toothed margins... . 4. Paracaryum. 
2. Nutlets with entire margins. . . .. 5. Omphalodes. 
Il. Subtribe: Hritrichieae. — Nutlets 4, rarely 2 
or 1, inserted by the inner face on an elevated, 
conical, oblong, columnar gynobase, their 
tips more or less prominent above it, free. 
a) Herbs, with ascending or spreading leaves, 
and loose racemes .......... £6. ‘Lappula. 
