430 SCKOPHULAKINEjE. 



namous : anthers approximate in pairs : cells 2, parallel. Stigma obliquely 2-lobed. Cap- 

 sule 2-4-valved : valves seceding from the central placenta. — Herbs ; leaves opposite; pedi- 

 cels axillary, jilif arm. 



15. C. aquatica, Aubl. Decumbent, glabresoent; haves reniform-roimdisTi, cuneate 

 above the subtruncate, sessile lose, exceeded by the solitary pedicels, dotted ; capsule globose. 

 —Aubl. t. 2B8.— Stem tetragonal ; leaves 6'"-3"' diam., palmatinervei; pedicels 8"'-4"', 

 corolla 3'" long, pale-blue.— Has. Trinidad !, Cr., in wet places, "Waterloo Estate ; [Vene- 

 zuela, Guiana]. 



, 12. HBRPESTIS, G. 



Qalyx 5-partite, unequal : upper segment broader than the lateral ones. Corolla 2-lipped : 



upper lip exterior in the bud. S^ameB* didynamous ; anthers 2-celled. Capsule of Conobea. 



■ — Herbs ; leaves opposite ; flowers axillary. 



, 16. H. chameedryoides, Kth. Annual, diffuse, decumbent, glabrous ; leaves ovate, 



tluntisTi, serrulate, nninerved, shortly petioled, often, exceeded by the filiform, ebracteolate 



pedicel; broader calyx-segments ovate or ovate-oblong, lateral lanceolate; corolla shortly 



exserted, yellow : upper lip emarginate ; anther-cells roundish, diverging ; stigma blnut ; 



« capsule 2-valved. — H. chrysantha, Cham. H, cubensis, Poepp. Lindernia dianthera, Sw.- — 



' Black in drying ; stems and branches 3"-8", variable leaves 4"'-10"', pedicels at length 



3"'-8"', flowers 4'" long — Has. Jamaica !, Pd., in canefields, Manchester ; Antigua !, 



Nichols., Wullschl. ; Trinidad I, Lockh., Cr., common in moist places ; [Cuba !, Haiti I ; 



Texas ! and Mexico ! to Brazil ! and Peru !]. 



] 7. H. sessili-flora, Benth. Annual, erect, glabrous ; leaves lanceolate-linear, taper- 

 ing at both ends, serrulate above, uninerved, subsessile ; flowers sjtbsessile ; broader calyx- 

 segments ovate or ovate-long, lateral lanceolate ; corolla very shortly exserted : upper lip 

 emarginate; anthers roundish: cells parallel ; stigma blunt; capsule 4-valved. — 8"-12'' 

 high; leaves 12"'-8"', corolla 2'" long. — Hab. Jamaica!, Wullschl., Manchesi:er at La- 

 oovia ; [Mexico, Panama I to eqiiat. Brazil]. 



18. EI. repens, Cham. 8/" Schl. Stem low, radicant, puberulous ; leaves oval, eaWxt, 

 ' palmatinerved sessile, glabresoent, as long as or exceeding the bibracteolate pedicel ; 



broader calyx-segments ovate, lateral lanceolate ; corolla shortly exserted, whitish : upper 

 lip emarginate ; anther-cells oblong, parallel ; stigma 2-fid; capsule 4-valved. — Sw.Ic.t.3. 

 — Gratiola,.5w,— Stem flaccid, 2"-4'' long: leaves 2"'-4"' (-8"'), flowers li'" long.— Hab. 

 Jamaica {Sw.), very rare in moist places ; [Haiti !, Portorico !, Guadeloupe I ; Mexico, Vene- 

 zuela!, Brazil]. 



19. H. Monnieria, £2^. Stem diffuse, creeping, radicant below, _ glabrous; leaves 

 spathulate or obovate, subsessile, subentire ; nerves not conspicuous ; 'pedicels usually ex- 

 serted, bibracteolate at the summit ; broader calyx-segments ovate, lateral lanceolate ; corolla 

 twice as long as the calyx, pale-blue : upper lip deeply i-fld ; anther-cells oblong, parallel ; 

 stigma capitate; capsule 4-valved. — 5/. 1. 129./. 1. Br. Jam. t. 28./. 3 ; analyt. — Gratiola, 

 L. Monnieria Brownei, Pers. — Leaves somewhat succulent, S"'-6"' long ; corolla 6'" long : 

 lobes subequal. — Hab. Bahamas), Swains.; Jamaica!, Dist., Pd., March, common' in 

 moist places; Trinidad!, Lockh., Cr.; [United States! to Buenos Ayres ! ; trop. Africa, 

 Mascate ! to East Indies !, trop, Australia !, Pacific islands]. 



13. VANDELLIA, L. ' 



Calyx 5-partite-5-dentate, equal. Corolla 2-lipped : upper lip exterior in the bud. 

 Stamens didynamous : anterior filaments with a basilar tooth : posterior anthers cohering, 

 with the cells diverging. Capsule 2-valved ; valves seceding from the central placenta. — 

 Herbs ; leaves opposite, serrate ; pedicels axillary. 



20. V. difFnsa, Zr. Annual, diffuse, pubescent; leaves ovate, blunt, subsessile or 

 shortly petioled, serrate above the base ; calyx deeply 5 -fid, longer than the short pedicel, 

 half as long as the oblong-linear, pointed capsule : lobes lanceolate-acuminate ; appendage 

 of the anterior filaments obovate. — Leaves 6'", corolla 2'", capsule B"' long ; stigma 2-lamel- 

 late. — Hab. Jamaica!, Macf.; Dominica!, Imr. ; Tiinidadl, Sieb. Tr. 170, Lockh., Cr.; 

 [New Granada! to Brazil ! ; trop. Africa!, Madagascar !]. 



