109 
cerned here only with the one; which Pliny knew as Tricoccon, 
and although this plant also bore the name Seorpsucam, this was 
not because of its avOos émuxaurres Kabamep okopTiov ovpd but 
because ‘ semen ei est effigie scorpionis caudae.’ This fbb char- 
acter is in itself lee to render the identification ip nia 
by Gesner untenable. the applied botanist ua even stronger 
grounds for the See ‘f Gesner’s view that the Tournesol is 
the ‘ Heliotropium minus quod et Tricoccum sehen Toe hag not 
only on account of what Pliny has stated, but on account of what 
Pliny has left unsaid. The plant Pliny had i in mind was believed 
to possess the properties of a hi ifuge ; this alone should argh 
the least critical that his plant was not the Tournesol. On the 
other hand, the Tournesol is the source of a dye: had Pliny, who 
was nothing if o practical, been dealing with the Tournesol, it 
ii nceivable to the economic botanist that this outstanding 
character should i passed over 
8. Chrozophora hierosolymitana, Spr. Syst. Le: ill. 0 
1826). Annua, herbacea, erecta; folia ovata sak su Pohotaboiiink: 
quam lata vix longiora, margine distincte dentata vel subintegra, 
utrinque dense vel laxius velutina ; antherae 4-5, raro 6-8; capsula 
matura rubro- -purpured, distincte muricata. i Crbtn Babtoeiem: 
Russell, Aleppo, ii. p. 265, partim tieek non Linn. Croton pli- 
catum, ‘Sieb. Avis. Herb. Palaest. Pp: 7 (1821); non Vahl. Croton 
oblongifolium, Sieb. ex Spr. l.c. (1826); non Del. Croton ne ve 
Wall. Cat. 7716 G (1880). Chrozophora Sieberi, Presl, 
Bemerk. p. 109 (1844). ico aeel re Ledeb. Fl. ie 
: . So 
Bot. xix. p- 186 ass); B son f. FL. Brit. Tnd. vy p. 408 
quoad spec. — lepidotis tantum (1887); Watt. Dict. Econ. 
i od. Ind. 21 (1889) ; a Bulletin, 1889, p. 279 et 1896, 
233 ; Tigiky, eee Hort. Tift. iv. v. [FL oe - mg sera § 
Radde. Mus. Caucas. p. 154 (1901) ; ates et K. . in Engl. 
Pflanze . 147. vi. p. 22, partim et quoad s ra r otiaslbers 
1270, Sintenis 1462, Becker, Schlangintweit 2624, homso 
(1912); non A. Juss. Chrozophora tinctoriae Adr. de Juss. ? 
affinis, Bidigs Rel. spas P- 35 tna et ee Acad. Pétersb. 
Vins, ps eee 854). lia, Baill. Etud. gén. 
quoad ole. 
Scind. 1B 4 n a. Juss. C Vivaesaiio subplicata, Pax 
ok Hoffm ( HN "24 4 partim net quoad sp. afghan. [Griffith] 
tantum (1913). 
his species is characteristic of and is narod spread through- 
out North-west India, the North-west Himalaya, Baluchistan, 
Afghanistan, Persia, Turkestan, Georgia, Mextued Asia ates 
