502 MR. C. BUCKNALL : A REVISION 
9. 
10. 
11. 
13. 
14. 
15. 
16. 
17. 
18. 
Section 3. Albida. 
Corolla-scales exserted .......................... .. 10. S. ottomanum, Friv. 
Corolla-scales ineluded ...... ee Hh Hs aser 10. 
Lower leaves cordate; corolla-scales obtuse; nutlets 
granulated .................................... т. S. tauricum, Willd. 
Lower leaves not cordate .......................... ll. 
Calyx-segments linear, obtuse; raceme 5-7-flowered ; 
nutlets smooth or very minutely granulated, shining ; 
flowers white .........6. ..................... 
Calyx-segments lanceolate, acute or subacute; raceme 
many-flowered ; nutlets granulated; corolla small, 
white or violet; stem dichotomously branched nearly 
from the базө.................................. 9, 
Section 4. Orientalia. 
Corolla-scales slightly exserted ; stem tall, robust, with 
erect-spreading branches, narrowly winged below .. 15. 
Corolla-scales included ............................ 
Flowers blue; lower leaves gradually attenuated into 
the petiole .......... erede) hae 211, 
Flowers white or yellowish ........................ 
Upper leaves decurrent; flowers numerous, shortly pedi- 
celled; calyx campanulate ...................... 14. 
Upper leaves not decurrent; calyx more or less cylin- 
drieal oo... cece cee hes 
Plant attaining 5 or 6 dem., fairly stout; leaves broadly 
ovate with a subcordate truncate or rounded base; 
petiole margined at the apex ; nutlets curved ...... 
Plant scarcely exceeding 4 dem., more slender, generally 
with long slender branches; petioles margined to the 
base ; nutlets nearly straight .................... 
Upper leaves sessile ; plant closely and softly pubescent ; 
calyx divided to scarcely more than 1 into oblong 
subobtuse teeth ................................ 12 
Upper leaves petiolate; plant tubercular-setose, asperous ; 
calyx divided to 3 or 1 into lanceolate, subobtuse 
teeth ........ . 
Section 5. Suborientalia. 
Calyx cylindrical, divided to 1 into broad, obtuse teeth, 
accrescent in fruit; plant racemosely branched ; leaves 
oblong with subcordate, rounded or subcuneate base. 18. 
Calyx divided to { or 1 into linear or triangular teeth ; 
plant dichotomously branched .................. 
Calyx very accrescent in fruit, broadly cylindrical, with 
obtuse teeth ; lower leaves with subcordate, rounded 
or attenuate base, 3-6 cm, long, or (var. majus, 
Bucknall) 17 em. long, with entire or (var. den- 
tatum, Boiss.) acutely dentate margin ............ 16 
eee etter eee hehehe 13. 
‚ S. sulvaticum, Boiss. 
S. anatolicum, Boiss, 
S, pseudobulbosum, Azn.. 
13. 
S. caucasicum, Bieb. 
14. 
S. floribundum, Shuttlw. 
16. 
17. 
. S. orientale, Linn. 
S. kurdicum, Boiss. 
S. Bornmuellert, Bucknall. 
18. 
‚ 5. palestinum, Boiss. 
