282 8CROPHULA.RIACEJE. (FIGWORT FAMILY.) 



Synopsis. 



I. ANTIRRHINIDE^:. Upper lip of the corolla covering the lower in 

 the bud (^vith occasional exceptions in Mimulus, &c.). Pod usually 

 septicidal. 



TRIBE I. VKRISASCEJEi. Corolla nearly wheel-shaped. Flowers in a simple spike or 

 raceme. Leaves all alternate. 



1. VERBASCUM. Stamens 5, aU with anthers, and 3 or all of them with bearded ^laments. 



TRIBE II. ANTIRRIIIA' E JE. Corolla tubular, with a spur or sac at the base below, 

 the throat usually with a palate. Pod opening by chinks or holes. Flowers hi simple 

 racemes or axillary. Lower leaves usually opposite or whorled. 



2. LINARIA. Corolla spurred at the base ; the palate seldom closing the throat. 



3. ANTIRRHINUM. Corolla merely saccate at the base ; the palate closing the thro&e. 



TRIBE HI. C'HELiOIVE.aE. Corolla tubular, or deeply 2-lipped, not spurred nor saccate 

 below. Pod 2-4-valved. Leaves opposite. iDflorescence compound; the flowers hi 

 small clusters or cymes in the axils of the leaves or bracts ; the clusters spiked or 

 racemed. (Stamens 4, and the rudiment of the fifth.) 



4. SCROPHULARIA. Corolla inflated, globular or oblong, with four erect lobes and one 



spreading one. Rudiment of the sterile stamen a scale. 



6. COLLINSIA. Corolla 2-cleft, the short tube saccate on the upper side ; tho middle lobe of 

 the lower lip sac-like and enclosing the declined stamens. 



6. CHELOfNE. Corolla tubular, inflated above. Sterile stamen shorter than the others 



Seeds winged. 



7. PENTSTEMON. Corolla tubular. Sterile stamen about as loi,g as the rest. Seeds wingless. 



TRIBE IV. GRATIOIjE.aE. Corolla tubular, not saccate nor spurred. Pod 2-valved. 

 Inflorescence simple ; the flowers single in the axil of the bracts or leaves, the peduncles 

 bractless. Leaves all or the lower opposite. 



* Stamens 4, all anther-bearing and similar. 



8. MIMULUS. Calyx prismatic, 6-angled, 5-toothed. Corolla elongated. 

 9 CONOBEA. Calyx 5-parted, the divisions equal. Corolla short. 



10. IIERPESTIS. Calyx 5-parted, unequal, the upper division largest. Corolla shora. 



* * Anther-bearing stamens 2 : sometimes also a pair of sterile filaments. 

 1L QRATIOLA. Calyx 5-parted. Stamens included ; the sterile pair short or none. 

 12 ILYSANTHES. Calyx 5-parted. Stamens included ; the sterile filaments protruded. 



13. IIEMIANTHUS. Calyx 4-toothed. Sterile filaments none. Corolla irregular. 



IT. RHINANTHIDEJS. Under lip or the lateral lobes of the corolla 

 covering the upper in the bud. Pod commonly loculicidal. 



TRIBE V. SIBTHORPIE^E. Corolla wheel-shaped or bell-shaped. Leaves alternate, 

 or (with the axillary flowers) fascicled in clusters. 



14. LBIOSELLA. Calyx 5-toothed. Corolla 5-cleft. Stamens 4. Leaves fleshy. 



TRIBE VI. DIGITALE-flS 1 Corolla tubular or somewhat bell-shaped. Leaves alter- 

 nate. Flowers hi a spike or raceme. 



15. SYNTUYRIS. Calyx 4-parted. Corolla irregular. Stamens 2, rarely 4. 



TRIBE VII. VERONICE-flE. Corolla wheel-shaped or salver-shaped. Stamens not ap- 

 proaching each other. Leaves mostly opposite. Flowers in racemes. 



16. VERONIC i. Calyx 4- (rarely 3-5-) parted. Corolla somewhat irregular. Stamens 2. 



TRIBE VIII. BUCHNERE.3S. Corolla salver-shaped. Stamens 4, approximate hi 

 pairs : anthers 1-ceHed Upper leaves alternate. Flowers in a spike. 



