RUBIACE/E. LXXVII. OLDENLASDIA. 



529 



to the leaves. O- F. Native of Tranquebar and Java. He- 

 dyotis piimila, Lin. fil. suppl. 119. Spreng. pug. 2. p. 34. 

 bijdr. p. 971. Flowers white. 



Dwarf Oldenlandia. PI. decumbent. 



13 O. LINIFO'LIA (D. C. 1. c.) leaves linear, attenuated at both 

 ends; peduncles 1 -flowered, longer than the leaves. O-?F. 

 Native of the East Indies. Hedyotis linifolia, Willd. mss. in 

 Rcem. et Schultes, syst. 3. p. 526. The rest unknown. 



Flax-leaved Oldenlandia. PI. decumbent. 



14 O. VIRGA V TA (D. C. 1. c.) plant very slender, glabrous ; 

 stems tetragonal ; leaves linear ; stipulas furnished with very 

 short bristles, at length truncate; peduncles twin, 1 -flowered, 

 elongated : the ultimate ones disposed into a kind of terminal pa- 

 nicle ; pedicels opposite, from the axils of the bracteas, longer 

 than them, and about equal in length to the internodes. O- F. 

 Native of Guinea (ex Willd.), in the rice- fields of Casamancia 

 and Gambia (ex Perrottet and Leprieur), and Sierra Leone (ex 

 Smeathmann). Hedyotis virgata, Willd. spec. 1. p. 167. 

 Schum. pi. guin. p. 69.? Flowers and fruit very small. Leaves 

 8-9 inches long. Stamens a little exserted. 



Twiggy Oldenlandia. PL ^ foot. 



15 O. ASPE',RUL.S: (D. C. 1. c.) plant glabrous; stem erect, 

 branched, tetragonal ; leaves distant, linear, ciliated at the base ; 

 stipulas entire, cupular, truncate; pedicels straight, 1 -flowered, 

 rising from the axils of the upper leaves, which are almost 

 abortive. Q.? F. Native of Ceylon, where it was collected 

 by Leschenault. Habit almost of the species of Asperula. 

 Corolla greenish in the dried state, also glabrous in the throat, 

 4-cleft. Anthers pedicellate, shorter than the lobes of the co- 

 rolla. Stigmas 2, elongated. Capsule oblong. Seeds minute. 

 Lobes of calyx short, distant. Perhaps this plant ought to be 

 removed from the genus. 



Woodroof-like Oldenlandia. PI. ^ foot. 



16 O. DIFFU'SA (Roxb. fl. ind. 1. p. 444.) stem terete, flaccid, 

 spreading, scabrous ; leaves linear-lanceolate, acute, smooth ; 

 stipulas at length of many bristles ; peduncles axillary, 1 -flow- 

 ered, 4-times shorter than the leaves. O-F. Native of the 

 East Indies, at Banda. Corolla smooth, white. Stigma pro- 

 foundly bifid. Capsule roundish. Perhaps only a variety of 

 0. biflora. 



Diffuse Oldenlandia. Fl. Ju. Aug. Clt. 1821. PI. diffuse. 



* * Peduncles 2-3 or many-flowered. 



17 O. BIFLORA (Lin. spec. 174.) stems erect, weak, scabrous; 

 leaves linear-lanceolate, rather scabrous while young ; stipulas 

 membranous, lanceolate, with ciliated fringed edges ; peduncles 

 axillary, shorter than the leaves, 2-3-flowered : corolla glabrous 

 inside; anthers length of the lobes of the corolla. O- F. 

 Native of the East Indies, Philippine Islands ; and of Guinea, at 

 Cape Coast, plentiful in the rainy season. Roxb. fl. ind. 1. p. 

 445. Hedyotis biflora, Smith, in Rees'scycl. 17. no. 15. Spreng. 

 pug. 2. p. 31. Horn. hort. hafn. 1. p. 130. Gerontogea 

 biflora, Cham, et Schlecht. in Linnsea. 4. p. 155. Hedyotis 

 diffusa, Willd. spec. 1. p. 566. Old. dichotoma, Willd. herb, ex 

 Cham, et Schlecht. Burm. fl. zeyl. t.ll. Flowers small, white. 



Two-flowered Oldenlandia. Fl. Ju. Aug. Clt. 1821. PI. ft. 



18 O. ALSINIFOLIA ; glabrous ; leaves membranous, lanceo- 

 late, tapering to both ends ; peduncles axillary, few-flowered ; 

 stipulas bristly at top ; teeth of calyx distant. Q. F. Native 

 of Pulo-Penang. Hedyotis alsinifolia, R. Br. in Wall. cat. no. 

 873. Plant diffuse. 



Chickweed-leaved Oldenlandia. PI. \ to -| foot. 



19 O. BRACHY'PODA; plant glabrous, diffusely branched; 

 leaves linear, with revolute edges ; peduncles short, axillary, 

 bearing at the top an umbel of short pedicellate flowers, or the 



VOL. III. 



pedicels solitary and axillary. Q. F. Native of the Island of 

 Singapore. Hedyotis brachy'poda, R. Br. in Wall. cat. no. 874. 

 Short-peduncled Oldenlandia. PI. diffuse, ^ foot. 



20 O BURMANNIA'NA ; plant glabrous, diffuse ; stems quad- 

 rangular ; leaves linear ; pedicels short, axillary, twin, or soli- 

 tary. O- F. Native of the East Indies. Hedyotis Burmanniana, 

 R. Br. in Wall. cat. no. 868. Old. biflora, Roxb. but not of Lin. 



Burmann's Oldenlandia. PI. to 1 foot. 



21 O. LONGIFOLIA (D. C. prod. 4. p. 4?6.) plant procumbent, 

 glabrous, branched ; branches diverging ; leaves linear, rather 

 papillose : upper ones with scabrous margins ; stipulas ciliated 

 a little; peduncles elongated, axillary, 2 -flowered : but the 

 terminal ones are 3-flowered. O- F. Native of Guinea. 

 Hedyotis longifolia, Schum. pi. guin. p. 70. Flowers small, 

 white. 



Long-leaved Oldenlandia. PI. procumbent. 



22 O. CRYSTA'LLINA (Roxb. fl. ind. 1. p. 443.) plant diffuse, 

 much branched ; stems tetragonal ; leaves sessile, lanceolate- 

 oblong, marked with crystalline dots beneath ; stipulas joined 

 to the petioles, many-toothed ; peduncles axillary, 2-flowered, 

 one half shorter than the leaves ; throat of corolla pilose. Q. 

 F. Native of Bengal. This plant is very distinct from O. 

 piimila and 0. biflora. 



Crystalline-dotled Oldenlandia. PI. diffuse. 



23 O. CORYMBO'SA (Lin. spec. p. 174.) plant glabrous, erect, 

 or diffuse ; stems tetragonal, smooth ; leaves linear-lanceolate ; 

 stipulas joined to the petioles, membranous, each furnished with 

 3 bristles ; peduncles axillary, 2-5-flowered ; flowers disposed 

 in umbellate corymbs ; throat of corolla bearded ; anthers a 

 little exserted ; stigma sub-capitate. 0. F. Native of Guiana, 

 and elsewhere in South America ; also of the west coast of 

 Africa, at Cape Verd, near Kounoun, and of the Moluccas. 

 Cham, et Schlecht. in Linnaea. 4. p. 156. Plum. ed. Burm. 

 t. 212. f. 1. Flowers small, white. There are varieties of this 

 species, having the peduncles either longer or shorter than the 

 leaves. Hedyotis corymbosa, Spreng. is very different from 

 this plant. 



Corymbose- flowered Oldenlandia. Fl. Ju. Aug. Clt. 1739. 

 PI. diffuse or foot high. 



24 O. RAMO'SA (Roxb. fl. ind. 1. p. 445.) plant diffuse, gla- 

 brous, branched ; stems tetragonal ; leaves sessile, linear-lan- 

 ceolate, paler beneath ; stipulas membranous, joined to the 

 petioles, furnished with 3-4 bristles each ; peduncles axillary, 

 3-5-flowered ; corolla roundish, with a bearded throat. . F. 

 Native of Pegu and the west of Java. Hedyotis ramosa, Blum, 

 bijdr. p. 973. Flowers small, white ; anthers blue (ex Roxb.). 



Branched Oldenlandia PI. diffuse. 



25 O. UMBELLA'TA (Lin. spec. 174.) stem diffuse, tetragonal, 

 smoothish; leaves narrow-linear, acute, with revolute margins, 

 rather scabrous above and paler beneath ; stipulas joined to the 

 petioles, ciliated by bristles ; peduncles axillary, umbelliferous. 



$ . S. Native of Java and Coromandel, in sandy places ; and 

 probably on the west coast of Africa, at Joal ; and of Mexico. 

 Burm. fl. ind. p. 37. Roxb. fl. cor. 1. t. 3. Root long, orange- 

 coloured ; in the cultivated sort it is longish with few fibres. 

 Stem in the cultivated plant erect and terete, from -| to 1 foot 

 high, and branched : in the wild kind there is hardly any stem, 

 but many scraggy branches. Flowers small, white ; the whole 

 forming a panicle composed of small 3-cleft umbellets. This 

 .plant is cultivated on the coast of Coromandel, where its roots 

 descend to a great depth in the sand. It is used in dying red, 

 purple, a deep clear brown orange, and to paint the red figures 

 on chintz, of all which Dr. Roxburgh has given a full account 

 in his pi. cor. 1. p. 2. t. 3. and also Dr. Anderson, in trans, roy. 

 soc. edinb. 1792. p. 16. 



The woody part of the Chay or Che root, as it is called, is 

 3 Y 



