LOBELIACEiE. III. CYANEA. IV. DELISSEA. V. PRATIA. 



699 



Ambiguous Rollandia. Shrub. 



5 R. CALYCINA ; leaves oblong-lanceolate, acute at both ends, 

 unequally and erosely crenated, flat and pilose above, and reti- 

 culately veined, fuscescent and hairy beneath ; calyx glabrous, 

 with oblong, bluntish, 1-nerved segments; ovarium olive-formed, 

 crowned by the erect calycine teeth ; limb of corolla hairy ; tube 

 of anthers hairy about the base and along the furrows. T? . G. 

 Native of Owahu. Lobelia calycina, Cham, in Linnaea. 7. p. 

 222. Corolla deciduous. 



Large-calyxed Rollandia. Shrub. 



Cult, See Clermontea, p. 698. for culture and propagation. 



III. CYA V NEA (from Kimytog, kyaneos, blue ; colour of 

 flowers). Gaud, in Freyc. voy. pt. bot. p. 457. 



LIN. SYST. Pentandria, Monogynia. Calyx adhering to the 

 ovarium, 10-furrowed, longer than the limb, which is foliaceous 

 and 5-parted ; segments oblong, with reflexed undulately curled 

 margins. Corolla tubular, cylindrical, arched ; limb 5-parted, 

 somewhat bilabiate. Stamens 5, with combined filaments, and 

 cohering bearded anthers. Stigma capitate, simple, ciliated with 

 hairs. Capsule baccate, 10-furrowed, indehiscent, 2-celled, 

 crowned by the permanent calyx ; cells many-seeded. 



1 C. GRIMESIA'NA (Gaud. 1. c. p. 458. t. 75.) branched ; 

 leaves large, pinnate-parted, smoothish, with lanceolate coarsely 

 toothed segments ; petioles, rachis, and peduncles beset with 

 tubercular prickles ; segments of calyx large. Tj . G. Native 

 of the Sandwich Islands. Lobelia Grimesiana, Gaud. mss. Hook, 

 et Arn. in Beech, voy. pt. bot. p. 88. 



Grimes's Cyanea. Shrub. 



Cult. See Clermontea, p. 698. for culture and propagation. 



IV. DELI'SSEA (named after A. M. Delisse, a physician 

 from the Isle of France, and naturalist to the French expedition 

 under D'Entrecasteaux, to the South Seas from 1 SOO to 1804). 

 Gaud, in Freyc. voy. pt. bot. p. 457. 



LIN. SYST. Pentandria, Monogynia. Calyx closely adnate 

 to the ovarium ; limb free, 5-toothed, permanent. Corolla 

 tubular, arched, deciduous ; tube cylindrical, undivided ; limb 

 5-parted, somewhat bilabiate ; segments narrow. Stamens 5, 

 with connate filaments, and cohering anthers : the two lower 

 ones bearded. Stigma 2-lobed, girded by hairs. Capsule bac- 

 cate, crowned by the permanent calyx, 2-celled, indehiscent ; 

 cells many-seeded. Shrubby lactescent plants. Leaves scat- 

 tered, exstipulate, entire. Flowers racemose, axillary, pale red, 

 or whitish red ; pedicels unibracteate at the base. 



1 D. SUBCORDA'TA (Gaud. 1. c. p. 457. t. 77.) branched ; 

 leaves ovate, sharply toothed, glabrous. ^ . G. Native of the 

 Sandwich islands. Lobelia subcorda,ta, Gaud. mss. 



Subcordate-]eaveA Delissea. Shrub. 



2 D. UNDULA'TA (Gaud. 1. c. t. 78.) stem simple ; leaves ob- 

 long, sharply and coarsely toothed, glabrous, with undulated 

 margins, fj . G. Native of the Sandwich Islands. Lobelia 

 undulata, Gaud. mss. 



Undulated-\eaveA Delissea. Shrub. 



3 D. ACUMINA'TA (Gaud. 1. c. t. 76.) branched ; leaves ob- 

 long, doubly denticulatedj-hairy on both surfaces. Pj . G. Na- 

 tive of the Sandwich Islands. Lobelia Delisseana, Gaud. mss. 

 Lobelia acuminata, Hook, et Arn. in Beech, voy. pt. bot. p. 88. 



Acuminaled-\ea\eA. Delissea. Shrub. 



4 D. ANGUSTIFOLIA (Cham, in Linnaea. 7. p. 219.) glabrous ; 

 leaves on long petioles, narrow-lanceolate, flat, acute, bluntly 

 serrated ; calyx at first 5-toothed : teeth minute, ciliated, but 

 afterwards toothless, with undulated edges ; corolla smooth, 

 without papillae. I? . G. Native of Owahu. Stem quite sim- 

 ple. ? Pedicels axillary at the top of the stem, forming a co- 

 rymb. Filaments ciliated. Lobes of stigma pilose on the back. 



Narrow-leaved Delissea. Shrub. 



Cult. For culture and propagation see Clermontea, p. 698. 



V. PRATIA (named in memory of M. Prat-Bernon, of the 

 French navy, who accompanied Freycenet, but died a few days 

 after the expedition sailed). Gaud, in Freyc. voy. pt. bot. p. 

 456. Lobelia species of authors. 



LIN. SYST. Pentandria, Monogynia. Calyx adnate to the ova- 

 rium ; limb free, 5-toothed (f. 119. a.). Corolla funnel-shaped, 

 cleft on the back, even to the base ; limb 5-parted, spreading, 

 unilabiate (f. 1 19. 6.). Stamens 5, with the filaments combined 

 into the tube above, and the anthers cohering ; the two lower 

 anthers mucronate (f. 119. d.~). Stigma 2-lobed. Capsule co- 

 vered by the fleshy calyx, 2-celled (f. 119 e.), indehiscent ; 

 cells many-seeded. Small herbs. Stems filiform, branched. 

 Leaves thickish. Flowers axillary, solitary, pedunculate, rarely 

 corymbose, of a pale violet colour; peduncles bracteolate. 



1 P. RE'PENS (Gaud, in Freyc. voy. p. 456. t. 79.) glabrous ; 

 stems creeping ; leaves petiolate, rather reniform, undulately 

 subcrenated. ~U . F. Native of the Falkland Islands. Lobelia 

 Pratiana, Gaud. mss. Flowers bluish-violet (f. 119.). 



Creeping Pratia. PI. creeping. 



2 P. ? ERE'CTA (Gaud. 1. c.) stems nearly erect; leaves ses- 

 sile, ovate-lanceolate, remotely and sharply toothed. I/ . G. 

 Native of New Holland, on the east coast, at Port Jackson. Lo- 

 belia ? concolor, R. Br. prod. p. 562. 



Erect Pratia. Fl. May, June. Clt. 1819. PI. 1 foot. 



3 P. CORYMBOSA ; gla- 



brous ; stems weak, an- FIG. 119. 



gular, branched ; supe- 

 rior leaves linear-spatu- 

 late : lower ones round- 

 ish, running into the pe- 

 tioles : all deeply ser- 

 rated ; flowers disposed 

 in dense pedunculate co- 

 rymbs ; If.. G. Native 

 of the Cape of Good 

 Hope. Lobelia corym- 

 bosa, Hook, in bot. mag. 

 t. 2639. Flowers pure 

 white, richly dotted with 

 purple, capitate. Filaments and anthers combined ; the latter 

 bluish purple. Stigma capitate, surrounded by a circle of hairs. 

 Corymbose-AowereA Pratia. Fl. June, July. Clt. 1824. PI. 

 decumbent. 



4 P. HEDERA'CEA (Cham, in Linnsea. 7. p. 212.) glabrous ; 

 stems filiform, creeping; leaves on short petioles, orbicular, ere- 

 nately toothed. I/ . F. Native of Brazil, on the banks of the 

 Uruquay, along with Hydrocotyle pusilla, and other parts of 

 Brazil. Corolla bluish, villous inside. Filaments ciliated inside. 

 Pedicels exceeding the leaves. 



Ivy-like Pratia. PI. creeping. 



5 P. BEGONUEFOLIA ; leaves roundish-cordate, serrated, petio- 

 late, hairy on both surfaces, oblique at the base ; pedicels soli- 

 tary ; calycine segments linear-subulate ; stems filiform, creep- 

 ing, hairy. I/ . G. Native of Nipaul, at Suembu, in fields 

 near the town of Katmandu, and near water-courses and springs. 

 Lobelia begonizefolia, Wall, in asiat. res. 13. p. 377. Hook, 

 bot. mag. with a figure. L. obliqua, Ham. mss. ex D. Don, 

 prod. fl. nep. p. 158. Herb rather canescent. Flowers small, 

 blue. Fruit round, fleshy, about the size of a pea, purple, with 

 numerous flattened brownish seeds attached to 2 thick septal 

 placentas. 



Begonia-leaved Pratia. Fl. June, Aug. Clt. 1827. 

 creeping. 

 4 u 2 



