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MR. C. BUCKNALL: A REVISION 
S. Zeyheri, Schimp.; Guss. Flore sicule, Syn. р. 226 (1842); Guss. Enum. 
Pl. Vase. Inarime, p. 218 (1854). 
S. tuberosum: S. Zeyheri, Schimp. forma grandiflora, Caruel in Parl. FI. 
Ital. vi. p. 879 (1884) ; M. Lojacono Pojero, Fl. Sic. p. 66 (1902). 
GEOGR. Distr.—s. Irary : Sicily, Sardinia, Corsica. GREECE. 
SPECIMENS EXAMINED :—S. brochum, Bory & Chaub. Morée. | Chaubard. 
fierh, Cons. Bot. Genev, —S. Zeyheri, Schimp. Sicily. M. Parlatore, 1841. 
Herb. Cons. Bot. Genev.—8. bulbosum, Schimp. Greece. Boissier, 1844. 
Herb. DC.—S. Zeyheri, Schimp. R. Oreto, Gratia, Sicily. Е. & A. Huet 
de Pavillon, 1855. Herb. Cons. Bot. Genev., Kew., and Univ. Cantab.— 
S. brochum, Bory & Chaub. Khan Simeno, Rashova, Mons. Parnassus. 
Heldreich, Herb. Graec. Norm. 744, 1857. Herb. Mus. Brit. and Cons. Bot. 
Genev, — Taygetus, Greece, 1862. Herb. Kew.— S. Zeyheri, Schimp. 
Palermo. Todaro, Fl. Sic. exsic. No. 1394. Herb. Univ. Сатар. and S. Lond. 
Bot. Inst.—8. bulbosum. Schimp. In valle Dumbrek. P. Sintensis, Iter 
Trojanus, No. 42, 1883. Herb. Kew. and Mus. Brit.—S. Zeyheri, Schimp. 
H. Oreto, Palermo. Dr. Guzzino, 1889. Herb. Bicknell.—R. Oreto, 
Palermo. Dr, 1. di Giovanni, Pl. Sie. exsic. cent. iv. 415, 1891. Herb. 
Bicknell.—S, bulbosum, Schimp. Macomer, Sardinia. Leg. C. Bicknell & 
L. Pollini, 1904. Herb. Bicknell.—8. Zeyheri, Schimp. R. Molinello, 
Augusta, Province of Catania, Sicily.  Béguinot, Fl. Ital. exsic. 947, 1905. 
Herb. Bailey. —Corsica. G. C. Drace, 1905. Herb. Fielding.—Hirpinia, 
Avellino (S. Italy). A. Trotter, 1907. А. Béguinot, Fl. It. exsic. No. 947 
bis. Herb. Fielding and Bicknell. 
This differs from S. bulbosum much in the same way that S. mediterraneum 
differs from S. tuberosum. The plant is generally less tall and more compact, 
the lower leaves are more broadly ovate, rounded or subcordate at the base, 
and nearly as large as the succeeding ones, and the corolla is larger and 
infundibuliform. The stem often bears rudimentary branches in the lower 
axils and is occasionally branched at the base. Schimper states that it 
is easily distinguished at first sight and from afar, and that he had seen 
many complete flowering and fruiting specimens in Herb. Zeyheriano. He 
describes the teeth of the fruiting-calyx as narrower than those of 
S. bulbosum, but in Sicilian plants containing well developed fruit, I find 
that the teeth are at least as broad as in that species. 
Béguinot, on the label of an excellent specimen from Augusta, Sicily, 
quotes Gussone (Fl. Sic Syn. i. p. 226), who suys that the characters of 
S. Zeyheri are constant, and (Enum. Pl. Vase. Inar. p. 218) that “It is not 
a southern form of S. bulbosum, for that species also occurs with us, but in 
the mountain region, never in the lowlands, and careful comparison shows 
that they do not pass into each other." Béguinot continues that he can confirm 
this conclusion with regard to a plant from Ischia, erroneously recorded as 
