194 SYNOPSIS OF THE GENUS TUNICA. 



calyx, though Pirolle, a French horticulturist, derives it from 

 " Tunis." 



The description of the genus is so far amended as to include all 

 the forms, as given here. 



TUNICA. 



Calyx campanulatus turbinatus obconicus clavatus vel tubu- 

 losus; 5-dentatus, 5-vel 15-nervius vittis commisuralibus late 

 membranaceis enerviis rarius a3qualiter 30-vel 35-nervius; basi 

 bracteolis per paria imbricatis cinctus, vel nudus. Petala 5, basin 

 versus sensim cuneafco-attenuata, ungue elongato, lamina integra 

 retusa vel bifida ecoronata. Torus parvus. Stamina 10. Ovarium 

 uniloculare : styli 2. Capsula ovoidea vel oblonga polysperma, 

 apice dentibus valvisve 4 dehiscens. Semina orbiculata vel dis- 

 coidea, hinc convexiuscula illinc concava, ad medium faciei in- 

 terioris umbilicata, alata vel aptera : embryo rectus, excentricus. — 

 Herbaa, saepius graciles rigidulae at parvifloraa. Folia angusta. 

 Flores solitarii laxe cymosi fasciculati vel capitati. 



Sectio I. Dianthella. — Flores solitarii basi involucrati. Calyx 

 tubulosus 30- v. 35-nervius, dentibus acuminatis. Annua. 



1. T. pamphylica Boiss. et Bal. ; Diagn. PL Nov. Or. ser. ii. 6, 

 P- 27.— Glabra, 16 centim. Caules filiformes a basi dichotome 

 ramosissimi. Folia angnste linearia subulato-attenuata trinervia. 

 Pedicelli calyce 1-2-plo longiores. Bracteaa 8-12 decussate ob- 

 longae acuta? multistriatae, calyce triplo breviores. Calyx rubro- 

 striatus dentibus lanceolatis. Lamina pallide rosea oblongo- 

 spathulata obtusa. 



Sectio II. Tunicastbum. — Flores solitarii basi bracteolis imbri- 

 catis involucrati. Calyx 5- v. 15-nervius, dentibus obtusis. 



Subsectio 1. — Species monotocaa. Folia adpressa. Bractese 

 acuta?, nervo herbaceo. Petala integra. 



2. T. Peronini Boiss. ; Fl. Orient. Suppl. p. 81.— Minute pu- 

 bescens, 25 centim. Caules numerosi erecti a basi dichotome ramosi 

 teretes. Folia lineari-lanceolata subulato-attenuata trinervia. Pedi- 

 celli calycem sequantes. Bracteas 6 lanceolatae, trinerviae, calycem 

 aaquantes. Calyx 15-nervius oblongo- campanulatus dentibus ob- 

 longo-lanceolatis. Lamina albida linearis. Annua. 



3. T. syriaca Boiss. ; Diagn. PI. Nov. Or. ser. i.8, p. 63.— Glabra 

 basi suffrutescens, 20 centim. Caules numerosi filiformes rigidi 

 subsimplices uniflori. Folia anguste linearia acuta uninervia 

 margine scabrida. Bracteaa 8-10 anguste lanceolate uninervia? 

 calyci subaaquilonga?. Calyx 5-nervius oblongo-campanulatus den- 

 tibus oblongis. Lamina pallide rosea linearis. Biennis. 



4. T. arenicola Duf. ; Bull. Soc. Bot. France, vii. p. 240 ; 

 Barrelier, ic. 997.— Glabra basi suffrutescens, 20 centim. Caules 

 numerosi filiformes stricti ramosi. Folia lineari-subulata acuta 

 margine scabra. Bracteae 4 ovata? uninerviaa. Calyx 15-nervius 

 tubuloso-campanulatus. Lamina ovata supra albida subtus in- 

 carnata basi obsolete trilineata. 



