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MR. C. BUCKNALL : A REVISION 
Hybrid between S. officinale, Linn. and S. cordatum, Waldst. & Kit. 
X 5. POLONICUM, Blocki. (S. cordatum x officinale.)— Radix ...... Caulis 
subramosus, anguste alatus, puberulus et tuberculato-setosus. Folia 'adicalia 
ampla, late ovata vel oblongo-ovata, cordata, breviter acuminata, in petiolum 
longum decurrentia ; caulina ovata, basi rotundata vel subcordata, longe 
acuminata, petiolata, superiora sessilia, decurrentia, omnia puberula et magis 
minusve hispida vel tuberculato-setosa. Racemi multiflori, floribus amplis 
confertis. Rachis, pedicelli calyxque pubescentes. Calyæ ultra tertiam 
partem inferiorem in lacinias ovato-lanceolatas acuminatas minute ciliatas 
fissus. Corolla campanulata, violaceo vel colore ochroleuco violaceoque 
variata, lobis latissimis brevibus. Fornices staminibus longiores. Antherw 
filamentis duplo longiores. 
Caulis 8—4 dem. altus ; folia radicalia 22 em. longa, 16 em. lata, vel 14 em. 
longa, 15 em. lata ; caulina ad 16 em. longa, 8-5 em. lata; flores 20 mm, 
longi; calyx 6-10 mm. longus. ' 
Has. Galicia orientalis. 
SPECIMEN EXAMINED :—8. polonicum, Blocki. Winniki pr. Leopolim, Galicia 
Orient. Leg. Вг. Blocki, 1901-4. Merb. Bailey. 
Hybrid between S. tuberosum, Linn. and $, bulbosum, Schimp. 
x 5. BickNELLL hybr. nov. (S. bulbosum x tuberosum.)—Radixv repens, 
tubereula subrotunda, elongata vel multiformia gerens. Folia inferiora 
basi rotundata, in petiolum subito contracta, superiora in petiolum alatum 
attenuata, summa sessilia decurrentia. Corolla subeampanulata, calycem 
duplo excedens. Fornices breviter exserti. 
Flores cum fornicibus 14-16 mm. longi, corolla 11-13 mm. lon 
Has. Iraty: Liguria. 
SPECIMENS EXAMINED :—S, bulbosum x tuberosum, Bicknell, Val Borghetto, 
Bordighera, 1889 ; Vallecrosia, Bordighera, 1895. Herb. Bicknell. 
ga. 
Hybrid between S. tuberosum, Linn. and S. cordatum, Waldst. & Kit. 
x S. UrLEPITSOHII, Wetts.— Rhizoma obliquum, earnosum non vel modice 
nodosum. Caulis simplex vel apice inflorescentiá bifida, breviter et remoti- 
uscule hispidus. Folia ovata, acuminata, basi subito contracta et paullulum 
decurrentia, vel sensim angustata et deeurrentia, mollia, breviter setulosa. 
Corolla pallide ochroleuca, tubo lacinias calycis longitudine superante, in 
faucem valde dilatata. 
Caulis 2:5—4 dem. altus ; folia media in speciminibus majoribus 8-12 cm. 
longa, 5-7 cm. lata ; flores 17-11 mm. longi, calyx 5-9 mm. longus. 
Wettstein in Kerner, Schede ad FI. exsic. Aust.-Hung. vi. p. 37, No. 2130 
(1893). 
