GREENMAN. — GENUS RELBUNIUM, 467 
upper surface and on the prominent midrib beneath, margins ciliate: 
flowers axillary or terminating the stems and short lateral branchlets: 
corolla glabrous, greenish white; lobes broadly oblong-ovate, acute: 
pedicels of the young fruit nearly 2 mm. in length, somewhat thickened, 
glabrous or sparingly hirsute: immature fruit glabrous, seemingly bac- 
cate. — Proc. Am. Acad. xi. 74, 115. — Guadalupe Island, off Lower 
California, Palmer, no. 36. 
+ + Stems 4-angled. 
24. G. pubens, Gray. A stout herbaceous perennial: stems 
apparently becoming somewhat indurated at the base: leaves in fours or 
rarely in fives, broadly ovate, ovate-oblong or oblong-linear, 5 to 15 mm. 
long, 2 to 8 mm. broad, acute or shortly subacuminate, hirsute-pubescent 
on either surface, the scattered hairs of the upper surface often curved 
or subuncinate, margins slightly hispid: flowers axillary or cymose: 
pedicels recurved, pubescent: immature fruit minutely pubescent, dis- 
tinetly baccate: male plants more profusely flowered. — Proc. Am. Acad, 
vi 350, Bot. Cal. i. 285, & Syn. Fl. N. A. i. pt. 2, 40.—California, 
Bolander, no. 6346, Torrey, no. 188; Lower California, near Encenada, 
12 April, 1882, Marcus E. Jones, also from Lower California, collected 
by Orcutt in 1883, without number. 
§ Species of doubtful affinity. 
; 25.. G. ? denticulatum, Barri. Stems diffusely branching, his- 
Pidulous-setose : leaves in fours, ovate, cuspidate, remotely dentate- 
ciliate, subhirsute upon either surface, l-nerved: flowers few, termi- 
nating the stems, usually in threes: pedicels capillary: fruit glabrous ? — 
0 DC. Prod. iv. 612; Hemsley, Biol. Cent.-Am. Bot. ii. 64. — Mexico, 
Real del Monte, Henke. Specimens not seen. Description compiled 
from De Candolle’s Prodromus. 
RELBUNIUM, Endl. (Name a Latinization of relbun, which 
Feuillée States to be the vernacular fora Chilian dye plant, the Relbu- 
—— hypocarpium of Hemsl.) — Flowers perfect, subtended by a 2—-4- 
bracteate involucre. Calyx-tube globose; limb obsolete. Corolla rotate, 
lobed ; lobes valvate. Stamens 4, exserted, adnate to the tube of the 
*rella; filaments short; anthers dithecous. Ovary 2-celled; styles 2, 
"ee or connate at the base; stigmas capitate ; ovules solitary in the cells, 
borne on the dissepiment, amphitropous. Fruit didymous, more or less 
fleshy or baceate, smooth and glabrous, or hirsute, usually two- or by 
absorption one-seeded. Seeds concave on the face: embryo curved; 
cotyledons foliaceous ; radicle inferior. — Herbaceous perennials having 
