Lobularia Desv. Lobularia maritima, (L.) Desv. Lobularia libyca, (Viv.) Webb & Berth. Clypeola L. Clypeola jonthlaspi, L. Clypeola eriocarpa, Cav. Schivereckia Andrz. Schivereckia podolica, (Besser) Andrz.

56. Lobularia Desv. 1

Annual or perennial herbs; hairs medifixed. Sepals patent, not saccate at base; petals white, entire; filaments not winged and without appendages. Fruit a latiseptate silicula; valves slightly inflated, with a more or less distinct median vein; style distinct; stigma capitate. Seeds 1-5 in each loculus.

Silicula obovate or suborbicular; valves convex; seed 1 in each loculus 1. maritima Silicula ovate; valves flat; seeds 4-5 in each loculus 2. libyca

1. L. maritima (L.) Desv. , Jour. Bot. Appi. 3: 162 (1814)

( Koniga maritima (L.) R.Br. ).

Greyish-white pubescent, or glabrescent perennial (5-) 10-40 cm, branched at base. Leaves linear-lanceolate, acute, rarely obtuse. Petals c. 3 mm. Silicula 2-3-5 mm, obovate or suborbicular; valves convex, pubescent or glabrescent. Seed 1 in each loculus. In = 24. Dry, sunny places. S. Europe; widely cultivated for ornament elsewhere and often naturalized or casual. Az BI Co G a?Gr Hs It Ju Lu Rs (K) Sa Si [Au Be Br Cz D a Ho Hu No Rm],

2. L. libyca (Viv.) Webb & Berth. , Phyt. Canar. 1: 90 (1837)

( Koniga libyca (Viv.) R.Br. ).

Like 1 but annual; leaves obtuse; silicula 3-7 mm, ovate; valves flat; seeds 4-5 in each loculus. Maritime sands. S. Spain; Kikladhes (Third). G r Hs.

57. Clypeola L. 1

Annual; hairs branched or stellate. Sepals erecto-patent, not saccate; petals yellow, shortly clawed. Fruit an indéhiscent, compressed, 1-seeded, pendent silicula; style short; stigma obtuse.

Literature: M. Breistroffer, Candollea 7: 140-66 (1936); 10: 241-80 (1946). D. A. Chaytor & W. B. Turrill, Kew Bull. 1935: 1-24 (1935). Silicula 2-5 mm, glabrous or pubescent; petals 1-2 mm 1. jonthlaspi Silicula 5-5-6 mm, with a very dense, long, white indumentum;

petals c. 3 mm 2. eriocarpa

1. C. jonthlaspi L. , Sp. Pl. 652 (1753)

(inch C. microcarpa Moris ).

Erect, up to 20(-30) cm, grey-pubescent. Leaves linearoblanceolate to obovate. Raceme elongate in fruit; pedicels 1-5-3 mm. Petals 1-2 mm, glabrous. Silicula 2-5 mm, obovateorbicular, elliptic-orbicular or orbicular, with a distinct wing, entire, pubescent or glabrous; style up to 0-25 mm. S. Europe. Al BI Bu Co Cr G a G r He Hs It Ju Rm Rs (K) Sa Si Tu.

Variable in silicula size and pubescence but most of the variants occur sporadically throughout the range of the species. Some of these variants are recognized as subspecies by Breistroffer op. cit. (1936, 1946).

2. C. eriocarpa Cav. , Descr. Pl. 401 (1802).

Like 1 but petals c. 3 mm, stellate-pubescent on the back; silicula 5-5- 6 mm, orbicular, scarcely winged, crenulate, with a very dense, long, white indumentum; style c. 0-5 mm. C. & S. Spain. Hs.

58. Schivereckia Andrz. 2

Perennial herbs; hairs stellate, minute. Sepals patent, the inner slightly saccate at base; petals white; filaments of the inner stamens winged, the wing with a short tooth at the apex. Fruit a latiseptate silicula; valves convex; style distinct; stigma capitate or slightly 2-lobed. Seeds 4-7 in each loculus. Literature: M. Alexeenko, Not. Syst. (Leningrad) 9 (4-12):

215-31 (1946).

Cauline leaves semi-amplexicaul, with 1-4 teeth on each side; plant densely caespitose 1. podolica

Cauline leaves narrowed at base, not or scarcely amplexicaul, entire (or rarely with 1 tooth on each side); plant usually laxly caespitose 2. doerfleri

1. S. podolica (Besser) Andrz. in DC., Reg. Veg. Syst. Nat. 2: 300 (1821).

Densely caespitose; flowering stems up to 25 cm, simple or branched. Basal leaves rosulate, oblanceolate to oblong-spathulate, usually with 2-5 teeth on each side; cauline oblong-ovate, semi-amplexicaul, with 1-4 teeth on each side. Racemes up to 30-flowered. Sepals 2-2-5 mm; petals 4-5 x 1-5- 2-25 mm. Silicula 3-6 x 2-2-75 mm; style 0-75-2 mm; stigma capitate, entire. Seeds 0-75-1 x 0-5-1 mm, dark brown, rugulose. • W. Ukraine, Moldavia, N.E. Romania. Rm Rs (W).

2. S. doerfleri (Wettst.) Bornm. , Feddes Repert. 17: 36 (1921)

( Draba doerfleri Wettst. ).

Laxly caespitose; flowering stems up to 15 cm, simple or branched. Basal leaves more or less rosulate, oblanceolate, entire (or rarely with 1-2 teeth on each side); cauline linear-lanceolate, attenuate at base, obtuse, entire (or rarely with 1 tooth on each side). Racemes up to 15-flowered. Sepals 2-2-25 mm; petals 4-6 x 2-3 mm. Silicula 4-5-5 x 2- 4 mm; style c. 1 mm; stigma shortly 2-lobed.^ Seeds c. 1 mm. Rocky and grassy places. S.W. Jugoslavia (Sar Planino). Ju. (Asia Minor.)

Three taxa described from Russia all resemble 2 very closely; the scarcity of specimens (particularly with ripe seeds) prevents an accurate assessment of their status.

S. mutabilis (Alexeenko) Alexeenko , Trudy Nauc.-Issled. Inst. Biol. (Har'kov) 13: 95 (1950). Like 2 but stems up to 30 cm; basal leaves linear-lanceolate to oblong-spathulate; cauline ovate to oblong-elliptical, subacute; silicula 4-8-5 x 1-75-3-5 mm; style up to 1-5 mm; stigma capitate, entire; seeds 1-1-5 mm, rugulose, not punctate. • S.C. Russia; N.E. Ukraine. Rs (C, E).

S. berteroides Fischer ex Alexeenko , Not. Syst., (Leningrad) 9: 218 (1946). Like 2 but stems up to 25 cm; basal leaves linear- or oblong-lanceolate; cauline oblong-elliptical; silicula 4-6-5 x 2-3-25 mm; style c. 1-25 mm; stigma capitate, emarginate or slightly 2-lobed; seeds c. 1-25 mm, blackish-brown, rugulose.? • S. Ural. Rs (C).

S.kuznezovii Alexeenko, Not. Syst. (Leningrad) 9: 227(1946). Like 2 b ut basal leaves oblong-oblanceolate; cauline elliptical; silicula 3-5-7-5 x 2-2-5 mm; style up to 1 mm; stigma capitate, entire; seeds 1-1-25 mm, smooth and not rugulose, but punctate. Calcareous and sandy places. N.C. Ural. Rs (C).