536 SCROPHULARINE^E. XVI. ACHETARIA. XVII. MONTIRA. XVIII. DOPATRIUM. XIX. MICROCARPJJA. XX. PEPLIDIUM. 



4 B. VILLOSA (Benth, 1. c.) villous all over ; leaves nearly 

 sessile ; flowers axillary ; upper lip of corolla emarginate, 

 lower one shortly trifid. I/ . ? S. Native along with the pre- 

 ceding. 



Villous Beyrichia. PI. 1 foot. 



Cult. For culture and propagation see Montira below. 



XVI. ACHETA V RIA (meaning unknown to us.) Cham, et 

 Schlecht, in Linnaea, 2. p. 566. Herpestis species, Spreng. 



LIN. SYST. Didynamia, Angiospermia. Calyx bibracteate, 

 5-cleft, the fifth segment large ; the rest linear and equal. Co- 

 rolla tubular, ringent ; upper lip entire, erect ; lower one longer, 

 and 3-lobed. Stamens 2, fertile in front, and inclosed, without 

 any rudiments of sterile ones. Style inclosed ; stigma droop- 

 ing, emarginate. Capsule girded by the permanent calyx, 2- 

 celled, with a septicidal dehiscence ; valves bipartite ; placenta 

 occupying the whole dissepiment, permanent, at length free. 

 Seeds irregularly angular, scrobiculate. Herb erect, hairy, 

 glandular, with the habit of Melissa Calamintha, with opposite 

 leaves. Stems obsoletely tetragonal. Flowers axillary, oppo- 

 site at the tops of the stems. Corolla pilose and glandular. 



1 A. SPRENGE'LII (Cham, et Schlecht, 1. c.) T.?S. Na- 

 tive of tropical Brazil, Sello. Herpestis erecta, Spreng. syst. 2. 

 p. 801. 



Sprengel's Achetaria. PL 3 to 4 feet. 



Cult. For culture and propagation see Montira below. 



XVII. MONTTRA (named by Aublet after M. de Monti, of 

 Cayenne.) Aubl. guian. 2. p. 637. t. 257. Juss. gen. p. 122. 

 ed. Usteri. p. 137. 



LIN. SYST. Didndria, Monogynia. Calyx 5-parted, spread- 

 ing. Corolla funnel-shaped ; limb spreading, 5-cleft, equal. 

 Stamens 4, didynamous, all fertile ; anthers oblong. Ovarium 

 didymous. Stigma furrowed. Capsule didymous, 2-celled, 4- 

 valved, many-seeded. Seeds fixed to the inner angle of the 

 cells. Herbs with tetragonal stems, opposite leaves, and termi- 

 nal 1-3-flowered peduncles. 



1 M. GUIANE'NSIS (Aubl. 1. c.) Q. S. Native of Guiana. 

 Stem quadrangular, marginate. Leaves oval-oblong, acute, 

 glaucous, sessile. Flowers 3 in the bifurcation of the branches, 

 and between the terminal leaves : lower one sessile : the other 

 pedicellate, and the third on a longer pedicel, all white. 



Guiana Montira. PL \ foot. 



Cult. A plant of easy culture; grows best in light rich 

 earth kept moist, and is readily increased by division. 



XVIII. DOPATRIUM (meaning unknown to us.) Ha- 

 milt. mss. ex Benth. scroph. ind. p. 81. 



LIN. SYST. Didndria, Monogynia, Calyx short, membranous, 

 semiquinquefid. Corolla funnel-shaped ; tube exserted ; limb 

 obliquely widened, 5-cleft, somewhat bilabiate ; lower lip larger. 

 Stamens very short, the 2 upper fertile ; anthers cohering, 2- 

 celled ; cells parallel ; the 2 lower stamens small and sterile. 

 Stigma bilamellate, dilated. Capsule hardly furrowed, 4-valved ; 

 margins of valves flattish ; dissepiment at length free, with 

 adnate placentas. Slender glabrous herbs, natives of bogs. 

 Leaves opposite ; radical and lower leaves few, obovate, quite 

 entire ; cauline ones minute, distant. Pedicels filiform, oppo- 

 site, or alternate from abortion, 1 -flowered. Corollas blue. 



1 D. NUDICAU'LE (Benth. in scroph. ind. p. 31.) humble, 

 much branched ; cauline leaves small, very acute ; capsule 

 oblong. O- S. Native of the coast of Coromandel, in wet 

 places. Gratiola nudicaulis, Willd. act. berol. 4. p. 192. Gra- 

 tiola aphylla, Roth, nov. spec. p. 7. Gratiola cuneifblia, Roxb. 

 fi. ind. l.p. 142. 



Naked-stemmed Dopatrium. PL 2 to 3 inches. 



2 D. LOBELIOIDES (Benih. in scroph. ind. p. 31.) stem elon- 

 gated, a little branched ; cauline leaves small, obtuse ; capsule 



lobose ; corollas about 4-5 times longer than the calyx. 0. 

 Native of Coromandel, growing in wet places during the 

 rainy season. Gratiola lobelioides, Retz. obs. 4. p. 7. Roxb. 

 fl. ind. 1. p. 143. Habit of Lobelia Dorlmdnna. Flowers on 

 longish pedicels, racemose at the tops of branches. Leaves 

 sessile. 



Lobelia-like Dopatrium. PL to \ foot. 



3 D. JU'NCEUM (Hamilt. ex Benth. scroph. ind. p. 31.) stem 

 elongated, a little branched ; cauline leaves small, obtuse ; cap- 

 sule globose ; corollas hardly 3 times longer than the calyx. 

 O- S. Native of Coromandel, delighting in wet situations, 

 where it flowers during the rains. Gratiola juncea, Roxb. cor. 

 2. p. 16. t. 129. Very like D. lobelioides ; but the flowers are 

 much smaller, and the pedicels shorter, the lower pedicels gene- 

 rally very short. Leaves stem-clasping : floral ones minute, 

 triangular. Corollas small, rose-coloured. 



Rushy Dopatrium. PL \ to 1 foot. 



Cult. The seeds of the species of Dopatrium require to be 

 reared on a hot-bed in spring ; and the plants may be planted 

 out in the open ground in the month of May in a warm, shel- 

 tered situation, where they will flower and ripen their seeds. 



XIX. MICROCARP^E'A (/aicpoe, micros; and 

 karpos, a fruit ; in reference to the smallness of the capsules.) 

 R. Br. prod. p. 435. Benth. in Lin. trans, p. 435. Hook, hot. 

 misc. 2. p. 101. 



LIN. SYST. Didndria, Monogynia. Calyx short, campanu- 

 late, 3-5-toothed. Corolla small : tube equal in length to the 

 calyx ; limb sub-bilabiate, 5-cleft ; segments all flat, and nearly 

 equal. Stamens 2, fertile ; filaments straight, entire ; anthers 

 approximate, 2-celled ; cells parallel ; vestiges of sterile or 

 lower stamens wanting. Stigma bilamellate, dilated. Capsule 

 2-valved ; valves entire, septiferous in the middle ; dissepiment 

 at length free ; placentas adnate. Small, mossy, glabrous herbs, 

 with the habit of Limosella. Leaves opposite. Flowers pedi- 

 cellate, axillary, small, bractless. 



1 M. MUSCOSA (R. Br. prod. p. 436.) creeping; leaves oblong, 

 entire; calyx 5-toothed ; teeth hairy inside. Q.?G. Native 

 of India and New Holland, within the tropic. Paederota mini- 

 ma, Keen, in Retz. obs. fasc. 5. p. 10. M. alternifolia, Blum. 

 bijdr. p. 744. Nearly allied to Hedyotis marilima, but that 

 plant has a valveless capsule, ex R. Br. 1. c. 



Mossy Microcarpaea. PL small. 



2 M. SPATULA'TA (Hook. bot. misc. 2. p. 101. suppl. t. 4.) 

 creeping; leaves linear-spatulate ; calyx 3-toothed. Tf.. G. 

 Native of the Peninsula of India. Peplidium Capense, Spreng. 

 syst. 1. p. 43. Limosella diandra, Lin. mant. p. 252. 



Spatulate-leaved Microcarpaea. PL creeping. 

 Cult. For culture and propagation see Montira and Dopa- 

 trium above. 



XX. PEPLI'DIUM (from n-twAce, peplos, purslane ; and 

 idia, idea, form ; plants with the habit of Purslane.) Delile, fl. 

 aegypt. p. 4. t. 4. f. 2. Benth. scroph. ind. p. 32. Micro- 

 carpae'a, spec. Smith. Pederdta, spec. Koan. Oldenlandia and 

 Hedyotis, species Lin. 



LIN. SYST. Didndria, Monogynia. Calyx campanulate, 5- 

 toothed. Corolla small ; tube equalling the calyx in length ; 

 limb 5-cleft, hardly bilabiate ; segments all flat, nearly equal. 

 Stamens 2, fertile ; filaments gibbous at the base, somewhat 

 appendiculate, incurved ; anthers approximate, 2-celled ; cells 

 parallel. Vestiges of sterile stamens none. Stigma dilated, 



