888 Orobanchaceae. 
embedded in endosperm. — Parasitic plants, destitute of chlorophyll, 
variously coloured, usually more or less covered with gland-tipped 
papillose hairs. Stems succulent, often bulbously thickened at the 
base, simple or branched. Leaves reduced to scales. Flowers brac- 
teate, with or without bracteoles, spicate or racemose. 
Species 80—90, mainly in the temperate and warm-temperate regions 
of the northern hemisphere. 
A. Trionychon. — Bracts and bracteoles present. 
Calyx usually gamosepalous, 4-toothed or 4-fid, 
rarely with a small fifth tooth at the back. 
Corolla bilabiate. 
I. Flowers small, up to 15 mm long. 
a) Calyx-teeth triangular, shorter than the 
Hebe june tp Hers ge IG. °s . . 1. O. ramosa. 
b) Calyx-teeth subulate, as long as the tube 2. O. Schweinfurthii. 
Il. Flowers larger, up to 37 mm long. 
a) Anthers glabrous ...... oe ee HO: Mutelii 
h)i Anthers\lanuginosé 3020. SP. 4. O. aegyptiaca. 
& 
Osproleon. — Bracts present, bracteoles 0. Calyx 
split in front and on the back; lateral divisions 
entire or 2 toothed or 2-fid. Corolla bilabiate. 
I. Corolla conspicuously inflated below the 
MAIMENS it hedke «| SAS dees enone 5. O. cernua. 
II. Corolla widened below the stamens. 
a) Corolla 2,5—3 em long ...... . 6. O. crenata. 
b) Corolla 1—2,em long. 
l. Filaments inserted near the middle of 
thentuberect . sie eee bo. el. ae ot. OF Versicolor 
2. Filaments low down inserted in the 
tnBe’. SAO «te noe eed: it «ot 8{'O. minor. 
1240. (1.) Orobanche ramosa L. Spec. Plant. 1 (1753), p. 633. 
— Beck Monogr. Orobanch. in Bibl. Both. IV, p. 87, tab. I, fig. 10. — 
Lam. Encyclop. LV, p. 623, tab. 551, fig. 2. — Rehbeh. Ic. VII, fig. 933 
to 934. — Phelipaea ramosa C. A. Mey. Enum. Plant. Caue., p. 104. 
— Aschers.-Schweinf. Ill. Flor. d’Eg., p. 48 no. 799. — Boiss. Flor. 
Or. IV, p.498. — Sickenberg. Contrib. Flor. d’Eg., p. 265. — Phelipanche 
ramosa Pomel Nouy. Mat. Flor. Atlant., p. 103. — Orobanche interrupta 
Pers. Syn. Il, p. 181. -— Stem slender, branched (usually from the 
base), rarely simple, yellowish, up to more than 30cm high, like 
the whole plant more or less glandular-hairy. Seales ovate to ovate- 
lanceolate, 51/,—10 mm long, sometimes almost glabrous. Inflores- 
