526 



RUBIACE-E. LXXVI. HEDYOTIS. 



14 H. ROTtmpiFOLiA(Spreng. pug. 3. p. 197.) plant decum- 

 bent, branched a little ; leaves petiolate, broad-ovate, somewhat 

 3-nerved ; stipulas scarious, ciliated ; flowers axillary, almost 

 sessile, disposed in whorles ; capsules hispid. Native of the 

 East Indies, in humid places. Oldenlandia trinervia, Retz, obs. 



4. p. 23. 



Round-leaved Hedyotis. PL decumbent. 



15 H. PERPUSI'LLA (Hook, et Arn. in hot. misc. 3. p. 259.) 

 glabrous ; stems tufted, diffuse, branched, weak ; leaves oblong ; 

 stipulas minute, not setigerous ; pedicels terminal, and from the 

 forks of the branches, 1-flowered, about equal in length to the 

 leaves ; tube of calyx globose, hispid from bristles ; teeth of 

 calyx erect, ovate, obtuse. Occasionally found in inundated 

 places by the shores of La Plata, near Buenos Ayres. Stem 1 

 to 2 inches long, branched ; the branches are furnished with 

 several short lateral ramuli, from the axils of which springs a 

 peduncle, which after flowering becomes reflexed. Very closely 

 allied to H. uniflora, but seems to differ from the genus by the 

 stipulas not being furnished with bristles. 



Least Hedyotis. PI. tufted. 



16 H. NODIFLORA (Wall. cat. no. 855.) glabrous ; stems quad- 

 rangular ; petioles downy ; leaves ovate-elliptic, acuminated, 

 veined ; flowers much crowded, axillary, subverticillate, sessile. 

 Tl . S. Native of the East Indies, in Tavoy. 



Knot-flowered Hedyotis. PI. 1 to 2 feet. 



17 H. ARGE'NTEA (Wall. cat. no. 858 ) glabrous ; stem quad- 

 rangular; leaves broad-ovate, acuminated, whitish above, and 

 rusty beneath ; flowers in axillary heaps. I/ . S. Native of 

 the Burmese Empire, on the banks of the Irrawaddy. 



Silvery Hedyotis. PI. 2 to 3 feet. 



18 H. COSTA TA (R. Br. in Wall. cat. no. 849.) stem downy, 

 quadrangular ; leaves lanceolate, tapering to both ends, glabrous, 

 with many parallel veins ; flowers disposed in crowded axillary 

 heaps, subverticillate ; teeth of calyx separated by distant reces- 

 ses. 3 . S. Native of Pulo-Penang and Silhet. 



Ribbed Hedyotis. PI. 2 to 3 feet. 



19 H. PINIFOLIA (Wall. cat. no. 850.) plant much branched; 

 branches quadrangular ; leaves linear, with revolute edges ; 

 flowers disposed in axillary and terminal verticillate heaps. 0. 



5. Native of Pulo-Penang, and of the Burmese Empire, at 

 Prome and Amherst. Perhaps a species of Oldenlandia. 



Pine-leaved Hedyotis. PI. ^ to 1 foot. 



20 H. CONGE'STA (R. Br. in Wall. cat. 844.) herbaceous, gla- 

 brous ; stem and branches quadrangular ; leaves ovate-lanceo- 

 late, acuminated, pale beneath ; flowers crowded, axillary ; sti- 

 pulas somewhat pinnatifid ; lobes of calyx rounded, separated 

 by narrow blunt recesses. I/ . F. Native of Pulo-Penang. 



Cron-'cferf-flowered Hedyotis. PI. 3 to 4 feet. 



21 H. MACROPHY'LLA (Wall. cat. no. 841.) stem and branches 

 quadrangular ; leaves large, roughish, veined, tapering to both 

 ends ; stipulas pinnatifid ; flowers much crowded, axillary, form- 

 ing glomerate whorles. "if. . S. Native of Pulo-Penang. Calyx 

 downy, with the lobes separated by narrow recesses. 



Large-leaved Hedyotis. PI. 2 to 3 feet. 



* Peduncles axillary, many-jlotvered : jloners crowded. 



22 H. CAPITA'TA (Lam. diet. 3. p. 80.) stem terete, almost 

 simple, downy ; leaves almost petiolate, ovate-lanceolate, acute, 

 nerved, glabrous above, velvety on the nerves beneath ; stipulas 

 setaceously jagged ; peduncles axillary, solitary, much shorter 

 than the leaves, bearing each a dense head of flowers. Native 

 of the East Indies, particularly in Java, in moist parts of moun- 

 tains. Blum, bijdr. p. 973. Habit of Euphorbia capitata. 



Capitate-flowered Hedyotis. PI. foot. 



23 H. LINEA'TA (Roxb. fl. ind. 1. p. 369.) plant diffuse, pi- 

 lose; leaves sessile, ovate-lanceolate, with longitudinal simple 



parallel veins ; peduncles axillary, many flowered, rather long, 

 2-3-together ; capsules round, pilose. 0. F. Native of the 

 East Indies, in Chittagong. The rest unknown. 

 Zmerf-leaved Hedyotis. PI. diffuse. 



24 H. ULMIFOLIA (Wall, in Roxb. fl. ind. 1. p. 370.) plant 

 ascending, clothed with soft hairs ; leaves oval-lanceolate, acute, 

 nerved, very villous on the nerves on both surfaces ; stipulas 

 cup-shaped, acuminated at both ends, joined to both sides of 

 the petioles ; peduncles axillary, much shorter than the leaves, 

 bearing many subcorymbose flowers ; flowers usually by threes ; 

 calyx villous, with acute lobes. 1{.G. Native of Nipaul. H. 

 lineata, D. Don, fl. nep. p. 134. but not of Roxb. Spermacoce 

 lineata, Hamilt. mss. Stipulas coriaceous, acuminated in the 

 middle. Stems many from the same root, woody, simple. Caly- 

 cine segments lanceolate, spreading. 



Elm-leaved Hedyotis. PI. 1 to 2 feet. 



25 H. VESTI'TA (R. Br. in Wall. cat. no. 847.) stems, peduncles, 

 and petioles villous ; stem quadrangular ; leaves ovate-lanceo- 

 late, much acuminated, tapering at the base, downy, particu- 

 larly on the veins beneath ; stipulas villous, bearing 3 long bris- 

 tles each ; peduncles axillary, trichotomous, each division bear- 

 ing a head of flowers. 3. S. Native of Pulo-Penang and 

 Silhet. Leaves with parallel veins. 



Clothed Hedyotis. PI. 2 to 3 feet. 



26 H. MACROSTE'MON (Hook, et Arn. in Beech, voy. pt. bot. 

 p. 192.) plant suffruticose, branched; branches pubescent ; leaves 

 on short petioles, ovate-lanceolate, .clothed with soft down be- 

 neath, rather scabrous and shining above, with longitudinal 

 simple parallel veins ; peduncles axillary, solitary, shorter than 

 the leaves, many flowered ; flowers capitate ; stamens much ex- 

 serted ; capsules hairy, free at the apex. T; . G. Native of 

 China. Closely allied to the two preceding species. 



Long-stamened Hedyotis. PI. -J- foot. 



27 H. SERPYLLHOLIA (Poir. suppl. 3. p. 14.) stem herbaceous, 

 branched, rather angular ; leaves ovate, acuminately mucronate, 

 somewhat ciliated ; stipulas bipartite, acuminated ; flowers 2-4 

 in each heap, axillary and terminal, on short peduncles ; tube of 

 calyx downy. Native of the island of Bourbon, where it was 

 collected by Bory de St. Vincent. Corolla white, shorter than 

 the calyx. Seeds innumerable, very minute. Stem hispid. 



Wild Thyme-leaved Hedyotis. PI. | to f foot. 



28 H. RE'PENS ; stem creeping, filiform, branched, rooting at 

 every joint ; leaves small, oval or obovate, linear-lanceolate, ex 

 Lour, smooth ; flowers axillary, solitary, on very short pedicels ; 

 capsule nearly globular, covered with hollow pellucid hairs. T. 

 S. Native of the East Indies and China. Oldenlandia repens, 

 Burm. fl. ind. 38. t. 15. f. 2. Lour. coch. p. 78. Corolla bell- 

 shaped, white. 



Creeping Hedyotis. PI. creeping. 



29 H. UNIFLORA (D. C. prod. 4. p. 421.) plant glabrous; 

 stems creeping, branched, weak ; leaves ovate-roundish, obtuse ; 

 stipulas small; pedicels terminal, 1-flowered, longer than the 

 leaves ; tube of calyx rather hispid. . F. Native of Chili, 

 in sandy places along the banks of streams. Oldenlandia uni- 

 flora, Ruiz et Pav. fl. per. 1. p. 57. Corolla with a broad tube, 

 which is bearded inside. Lobes of calyx ovate, acutish. 



One-jlomered Hedyotis. PI. creeping. 



30 H. GLOMERA'TA (Ell. sketch. 1. p. 185.) stem nearly erect, 

 herbaceous, downy, branched ; leaves lanceolate, attenuated at 

 the base, downy ; stipulas acutely bidentate ; flowers almost ses- 

 sile, capitate, axillary and terminal, rarely almost solitary ; tube 

 of calyx hispid. . ex Torrey, 1 . ex Ell. H. Native of North 

 America, in humid places, from Carolina to New York. Torr. 

 fl. un. st. 1. p. 171. Oldenlandia glomerata, Michx. fl. bor. 

 amer. 1. p. 83. H. auriculata, Walt. car. p. 85. but not of 

 Lin. Oldenlandia uniflora, Lin. ex Willd. spec. 1 . p. 674. H. 



1 



