524 SCROPHULAKIACE^ ilysanthes 



LIMOBELLA 



Corolla irregular, the tube somewhat expanded abovp, the limb 

 bilabiate: upper lip 2-cleft; the lower larger and 3-lobed, spread- 

 ing. Fertile stamens 2, included, tljieir anther-cells divergent: 

 sterile filaments 2, two-lobed, one of the lobes capitate-glandular, 

 the other glabrous and shorter. Capsule oblong or ovoid, septi- 

 cidally dehiscent. Seeds numerous, wrinkled. 



I. gratioloides Benth. DC. Prpdr. x, 419. Stem slender usually erect 

 at length diffusely branched, 3-8 inches high : leaves ovate, ovate-oblong 

 or the lowest obovate, sessile or slijrhtly clasping at base, remotely dentic- 

 ulate o^ ell tire, thickish, 3-7-nerved, g-12 hues long ; the uppermost ones 

 commonly much smaller : peduncles slender, 2-3 times as long as the sub-' 

 tendine leaves: sepals linear-lanceolate, about 2 lines long, acute: corolla 

 violet to purple, about 3 lines long : capsule narrowly ovoid-oblong, 2-3 lines 

 long, longer than the calyx: seeds a line long, reddish, usually truncate at 

 the ends. In wet or muddy places, Caliiornia to Brit. Columbia and 

 across the Continent. 



15 LIMOSELLA L. Sp. 631. (1758.) 



Low stemless glabrous succulent annual (or perennial by sto- 

 lons) herbs with rosulate leaves and small flowers on scape-like 

 one-flowered peduncles. Calyx gampanulate, 5-lobed. Corolla 

 nearly, regular, open-campanulate, with a short, tube and 5-eleft 

 limb. Stamens 4, inserted on the tube of the corolla, scarcely 

 exserted : filaments, short; anthers confluently one-celled. Style 

 short : stigma capitate. Ovary two-celled at the base, one-celled 

 above. Capsule two-celled only (at the base; the large central 

 placenta many-seeded. Seeds ovoid, rugulose. 



L. aqnatica L. Sp. 631. Stoloniferous stems slender, 1-3 inches long: 

 leaves lanceolate to oblong or spatulate, the blade 4-6 lines long,^ on fili- 

 form petioles 3-4 times as long: peduncles shorter than the leaves, arising 

 with the petioles from the base of the plant, or from nodes of the stolons: 

 calyx-lobes ovate, acute or acutish, about the length of the tube : corolla 

 white or pink, about a line broad, scarcely longer than the calyx : stamens 

 high up on the corolla-tube : filaments slightly longer than the anthers : 

 rapsule.'globose or oblong-globose, obtuse, 1}4 lines high, Irmger than the 

 calyx. On muddy banks and in brooks, Washington to California and 

 acrossjthe Continent : Europe, Asia and S. America. 



Series'iii RniNANTHTDEa; Benth. in DC. Prodr. x, 189. Leaves 

 various. Inflorescence -simply centripetal. Lower lip or lateral 

 lobes of the corolla external in the bud. Stamens very rarely 

 more than four. 



Tribe^S Digitaleas Benth. I. c. Herbs or shrubs, none parasitic. 

 Corolla little {f at all bilabiate; the lobes all plain: the lateral or one 

 of them external in the bud. Anther-cells contiguous at the apex, 

 and often confluent. 



16 SYNTHYRI8 Benth. in DC. Prodr. x, 545. 



Perennial herbs" with simple stems, mainly radical leaves and 



rather small purple blue or pink flowers in terminal spikes or 



racemes. 'Calyx 4-parted: the segments oblong. Corolla ft cm 



oblong to short campanuUte, 4-oleft, more or less irregular, rare 



