C'elsia.] XCII. SCROPHULARIACE.E (HEMSLEY AND SKAN). 



281 



1. C. interrupta. 



2. C. valeriancefolia. 



4. 



C. peditnculosa. 

 C. sedgivickiana. 



5. C. arbuscula. 



.sinuate-dentate, pinnatifid or dissected. Racemes or spikes terminal, 

 simple or more rarely branched. Corolla yellow, purple or red. 



Species about 40, natives of Southern Europe, Northern and Tropical Africa, 

 Western Asia and Eastern India. 



C. parvifolia, Engl, in Engl. Jahrb. x. 252 is Alectra parvifolia, Schinz. 

 Leaves all distinctly pinnate or rarely simple ; stem 

 herbaceous ; bracts broad at the base. 

 Leaves often with large stipule-like auricles ; bracts 



scarcely cordate ; pedicels 9-10 lin. long . 

 Leaves not auricled ; bracts (lower ones at least) 

 cordate ; pedicels 3-6 lin. long .... 



Leaves all simple or rarely a few pinnate; stem woody. 

 Leaves glabrous or very shortly pubescent ; inflo- 

 rescence cpiite glabrous and smooth . 

 Leaves densely covered with long soft hairs ; inflo- 

 rescence scabrid ...... 



Leaves all simple; stem woody or herbaceous. 



Branches often spinescent; pedicels persistent and 

 spinescent ....... 



Branches and pedicels not spinescent. 

 Bracts less than half as long as 

 pedicels long and slender; 

 slender, diffusely branched. 

 Bracts 4-5 lin. long, 2-4 lin. 

 more or less floccose-tomentose. 

 Capsule ovoid, scarcely longer or shorter than 



the calyx ...... 6. C.floccosa. 



Capsule globose, twice as long as the calyx 

 Bracts 1^-3 lin. long, about h lin. broad ; leaves 

 very shortly hairy, not rtoccose-tonientose . 

 Bracts from half as long as to longer than the 

 pedicels; pedicels short and stout; plant 

 rather stouf, unbrancbed or sparingly 

 branched. 

 Bracts nearly as long as or longer than the 

 pedicels ; calyx-segments 3-4§ lin. long. 

 Leaves very much crowded, up to 2j in. 

 long and 6h lin. broad, distinctly rugose. 

 Leaves not crowded, up to 5 in. long and 

 1 i in. broad, not rugose. 

 Bracts only half as long as the pedicels ; calyx- 

 segments 2i lin. Ions' .... 



the pedicels ; 

 plant rather 



broad; leaves 



7. C. affinis. 



8. C. scabrida. 



9. 



10. 



11. 



C. densifolia. 



C. scropluilariafolia. 



C. brevipedicellata. 



1. C. interrupta, Fresen. in Flora, 1838, 605. A slender biennial 

 about 2 ft. high, glabrous on the stem and leaves, sprinkled with minute 

 pale yellow, very shortly stalked glands on the inflorescence ; stem simple, 

 striate, herbaceous. Leaves interruptedly pinnate or very irregularly 

 pinnatisect, up to 4 in. long; larger segments oblong-lanceolate, the 

 terminal one only a little larger than the largest lateral, irregularly 

 dentate ; lateral segments sometimes very narrow, often reduced to 

 mere teeth a line or two long ; petioles of the upper leaves with semi- 

 amplexicaul dentate or incised stipule-like appendages at the base. 

 Panicle nearly 1 ft. long, sparingly branched at the base ; bracts J in. 

 long, ovate to lanceolate, acuminate, scarcely cordate at the base, some- 



