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194 SYNOPSIS OF THE GENUS TUNICA.<br />

calyx, though Pirolle, a French horticulturist, derives it from<br />

•• Tunis."<br />

The description of the genus is so far amended as to include all<br />

the forms, as given here.<br />

TUNICA.<br />

Calyx campanulatus turbinatus obconicus clavatus vel tubulosus<br />

; 5-dentatus, 5-vel 15-nervius vittis commisuralibus late<br />

membranaceis enerviis rarius sequaliter 30-vel 35-nervius; basi<br />

bracteolis per paria hnbricatis cinctus, vel nudus. Petala 5, basin<br />

versus sensim cuneato-attenuata, ungue elongato, lamina Integra<br />

retusa vel bifida ecoronata. Torus parvus. Stamina 10. Ovarimn<br />

uniloculare : styli 2. Capsula ovoidea vel oblonga polysperma,<br />

apice dentibus valvisve 4 dehiscens. Semina orbiculata vel dis-<br />

coidea, hinc convexiuscula illinc concava, ad medium faciei in-<br />

terioris umbilicata, alata vel aptera : embryo rectus, excentricus.<br />

Herbfe, sfepius graciles rigidulae at parviflorse. Folia angusta.<br />

Flores solitarii laxe cymosi fasciculati vel capitati.<br />

Sectio I. DiANTHELLA.— Flores solitarii basi involucrati. Calyx<br />

tubulosus 30- V. 35-nervius, dentibus acuminatis. Annua.<br />

1. T. PAMPHYLicA Boiss. et Bal. ; Diagn. PI. Nov. Or. ser. ii. 6,<br />

p. 27.—Glabra, 16 centim. Caules filiformes a basi dichotome<br />

ramosissimi. Folia anguste linearia subulato-attenuata trinervia.<br />

Pedicelli calyce 1-2-plo longiores. Bractefe 8-12 decussatfe oblongfe<br />

acutfe multistriat?e, calyce triple breviores. Calyx rubrostriatus<br />

dentibus lanceolatis. Lamina pallide rosea oblongospathulata<br />

obtusa.<br />

Sectio II. TuNicASTEUM. — Flores solitarii basi bracteolis imbri-<br />

catis involucrati. Calyx 5-v. 15-nervius, dentibus obtusis.<br />

Subsectio 1. — Species monotocse. Folia adpressa. Bracteae<br />

acutae, nervo herbaceo. Petala integra.<br />

2. T. Peronini Boiss. ; Fl. Orient. Suppl. p. 81.— Minute pubescens,<br />

25 centim. Caules numerosi erecti a basi dichotome ramosi<br />

teretes. Folia lineari-lanceolata subulato-attenuata trinervia. Pedicelli<br />

calycem squantes. Bracteae 6 lanceolatse, trinervise, calycem<br />

jequantes. Calyx 15-nervius oblongo- campanulatus dentibus oblongo-lanceolatis.<br />

Lamina albida linearis. Annua.<br />

3. T. sYRiACA Boiss. ; Diagn. PI. Nov. Or. ser. i.8, p. 63.—Glabra<br />

basi suffrutescens, 20 centim. Caules numerosi filifoi-mes rigidi<br />

subsimplices uniflori. Folia anguste linearia acuta iminervia<br />

margine scabrida. Bractens 8-10 anguste lanceolate uninerviffi<br />

calyci subrequilongaj. Calyx 5-nervius oblongo-campanulatus dentibus<br />

oblongis. Lamina pallide rosea linearis. Biennis.<br />

4. T. ARENicoLA Duf. ; Bull. Soc. Bot. France, vii. p. 240<br />

Barrelier, ic. 997.—Glabra basi suffrutescens, 20 centim. Caules<br />

numerosi filiformes strict! ramosi. Folia lineari-subulata acuta<br />

margine scabra. Bracteae 4 ovatae uninervifE. Calyx 15-nervius<br />

tubuloso-campanulatus. Lamina ovata supra albida subtus incaruata<br />

basi obsolete trilineata.

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