250 



UMBELLIFER&. I. HYDROCOTYLE. 



flowers 15-20 in an umbel, on long pedicels. %. B. F. Native 

 of Chili. Habit of H. Zeyldnica, but the flowers are not capi- 

 tate. The inflorescence is that of H. geranioides or H. alche- 

 milloldes, but the stems are not radicant. 

 Poeppig's Penny-wort. PI. trailing. 



2. Leaves more or less cordate at the base. 

 * Flowers umbellate, distinctly pedicellate. 



19 H. ACUTIFOLIA (Ruiz et Pav. fl. per. 3. p. 25. t. 248. f. a.) 

 plant rather villous ; leaves cordate, acute, sinuated at the base, 

 unequally crenate-toothed on all sides ; peduncles a little longer 

 than the petioles ; umbels many flowered, simple, globose ; pe- 

 dicels of flowers distinct ; fruit almost didymous, bicostate on 

 both sides. If.. B. F. Native of Peru, at Pillao. Spananthe 

 sinuata, Spreng. syst. 1. p. 878. Allied to H. quinqueloba, but 

 differs in the leaves not being peltate. 



Acute-leaved Penny-wort. PI. cr. 



20 H. GERANIOIDES (Rich. hydr. no. 32. f. 21.) plant hairy; 

 leaves orbicularly reniform, 9-nerved, bluntly 9-lobed, crenated ; 

 petioles pubescent, rather higher than the peduncles ; umbels 

 20- flowered; flowers pedicellate. If.. B. F. Native of Peru. 

 Petioles a finger in length. Pedicels 3-4 lines long. Involucrum 

 many leaved : leaflets ovate, acute, small. Fruit nearly orbicu- 

 lar, didymous. 



Geranium-like Penny-wort. PI. cr. 



21 H. ALCHEMILLOIDES (Rich. hydr. no. 28. f. 31.) plant be- 

 set with spreading hairs ; leaves orbicularly reniform, 9-nerved, 

 a little lobed, doubly crenated, cleft at the base into a narrow 

 recess ; petioles elongated, pilose ; peduncles slender, shorter 

 than the petioles ; umbels 20-flowered ; flowers distinctly pedi- 

 cellate ; mericarps of fruit 3-ribbed. I/ . B. F. Native of 

 Peru, in shady humid places : and of New Andalusia, on Mount 

 Cocollar. H. B. et Kunth, nov. gen. amer. 5. p. 24. Petioles 

 6-8 inches long. Pedicels 4-5 inches long. 



Alchemilla-like Penny-wort. PI. cr. 



22 H. LAXIFLORA (D. C. prod. 4. p. 61.) plant villous ; leaves 

 orbicular, cordate, 9-nerved, 9-lobed : lobes obtuse, denticu- 

 lated ; peduncles opposite the cauline leaves, about twice the 

 length of the petioles ; umbels 40-45-flowered ; pedicels and 

 fruit glabrous. 3. B. F. Native of New Holland. Pedicels 

 about 3 lines long ; the rest of the plant very like H. densijlbra. 



Loose-flowered Penny-wort. PI. cr. 



23 H. BONPLA'NDII (Rich. hydr. no. 27. f. 7.) plant hairy ; 

 leaves reniform, 9-nerved, doubly crenated ; peduncles an inch 

 long, about equal in length to the petioles ; umbels 10-1 2-flower- 

 ed ; flowers distinctly pedicellate. If. . B. G. Native near Santa 

 Fe de Bogota, H. B. et Kunth, nov. gen. amer. 5. p. 24. H. 

 capitata, Willd. herb, and in Schultes, syst. 6. p. 356. but not of 

 Banks, nor Pet. Th. H. Humboldtii, Willd. herb, and Schultes, 

 syst. 6. p. 356. but not of Rich. 



Var. ft, Chilensis (Cham, et Schlecht. in Linnsea. 1. p. 

 263.) umbels more dense ; pedicels very short ; leaves 7-lobed, 

 7-nerved ; petioles an inch and a half long. Tf.. B. F. Native 

 of Chili, near Talcaguano. 



Bonpland's Penny-wort. PI. cr. 



24 H. MEXICA'NA (Cham, et Schlecht. in Linnaea. vol. 5. p. 

 208.) stems creeping ; branches erect ; leaves reniform, usually 

 9-nerved, deeply lobed, hairy ; umbels on long peduncles, many 

 flowered, loose, globose ; hairs on the petioles and peduncles re- 

 versed ; styles spreading. Tf. . H. Native of Mexico, near 

 Jalapa in shady woods. Said to be allied to H. leucocephala and 

 H. Bonplandii. 



Mexican Penny-wort. PI. cr. 



25 H. UUMIFU'SA (Pohl, in litt. 1828. ex D. C. prod. 4. p. 

 62.) plant creeping, glabrous ; leaves on long petioles, reniform, 



nearly orbicular, broadly crenated, 9-nerved ; peduncles length 

 of the petioles ; umbels 20-flowered ; flowers distinctly pedicel- 

 late ; fruit ribbed, emarginate at both ends. If . B. G. Native 

 of Brazil. Leaves nearly like those of H. Americana, but 

 differs in the flowers being umbellate, not capitate. Perhaps 

 Hydrocotyle, Lccfl. itin. p. 281. is referrible to this species. 

 Trailing Penny-wort. PI. tr. 



26 H. LEUCOCE'PHALA (Cham, et Schlecht. in Linnsea. 1. 

 p. 364.) plant creeping; leaves orbicularly reniform, usually 9- 

 nerved, doubly toothed or crenated, beset with a few scattered 

 hairs on both surfaces, as well as on the peduncles and petioles ; 

 umbels 20-30-flowered, nearly globose ; flowers distinctly pedi- 

 cellate ; mericarps of fruit smooth, at first cream-coloured, and 

 acutely 3-ribbed. If.. F. Native throughout the whole of Bra- 

 zil. Link et Otto, abbild. t. 21. Petioles 2-4 inches long. 

 Pedicels of the umbel, which is milk-coloured, a line and a half 

 long. 



White-headed Penny-wort. PI. cr. 



27 H. NA'TANS (Cyr. pi. rar. neap. 1. t. 6. f. /3.) plant creep- 

 ing, glabrous ; leaves orbicular, with a narrow cordate recess, 

 reniform, bluntly and unequally 9-1 1-lobed, and 9-11-nerved, 

 crenated ; peduncles much shorter than the petioles ; umbels 

 capitate, 5-6-flowered ; flowers on short pedicels. 1. B. H. 

 Native of the kingdom of Naples, in bogs, ditches, and rivers ; 

 and in the river Anapo near Syracuse, and elsewhere in Sicily ; 

 Dombey gathered the same plant in Peru, and Chamisso at St. 

 Francisco in North California. Column, ecphr. p. 316. with a 

 figure. Rich. hydr. no. 29. f. 20. Cham, et Schlecht. in Linnaea. 



I. p. 373. Petioles 3-10 inches long. Peduncles hardly an 

 inch long. Stems having numerous roots, issuing from the 

 joints. Fruit cordate, wrinkled a little. 



Natant Penny-wort. Fl. July, Aug. Clt. 1819. PI. trail- 

 ing and floating. 



28 H. MULiipiDA (Rich. hydr. no. 44. f. 34.) plant glabrous ; 

 leaves palmately cut ; segments 5, somewhat 3-lobed : middle 

 segment the longest ; peduncles glabrous, longer than the pe- 

 tioles, which are pilose; umbels 5-6-flowered ; flowers distinctly 

 pedicellate ; fruit didymous, furnished with 2 ribs on both 

 sides. If.. B. F. Native of New Granada, on the Andes, in 

 humid shady places near Almaguer. H. B. et Kunth, nov. gen. 

 amer. 6. p. 25. Willd. in Schultes, syst. 6. p. 656. 



Multifid-\eaved Hydrocotyle. PI. cr. 



* Umbels capitate, 3-8-florvered, sometimes the loner ones 

 are only \-Jlmvercd. 



29 H. ASIA'TICA (Lin. spec. p. 234.) plant rather villous; 

 leaves orbicularly reniform, equally crenated, 7-nerved ; petioles 

 and peduncles in fascicles, pubescent ; umbels capitate, on short 

 peduncles, 3-4-flowered ; fruit orbicular, furnished with 4 ribs 

 on both sides. 3. B. F. Native nearly throughout the southern 

 hemisphere, as well as within the tropics, in humid watery places. 

 Rich. hydr. no. 15. f. 11. Spreng. in Schultes, syst. 6. p. 348. 

 Cham, in Schlecht. Linnaea. 1. p. 365. This species assumes 

 many forms, especially in Manilla, Radacca, Chili (which there 

 becomes H. triflora, Ruiz et Pav. fl. per. 3. p. 24. t. 245. f. 6.), 

 Brazil, and the Cape of Good Hope (which is H. Thunbergiana, 

 Spreng. neue entd. 1. p. 283. exclusive of the synonyme H. 

 ntans, Thunb. which is not obvious). 



Asiatic Penny-wort. Fl. July, Aug. Clt. 1690. PI. cr. 



30 H. REPA'NDA (Pers. ench. 1. p. 302.) plant villous ; leaves 

 cordate, reniform, on long petioles, 9-nerved, repandly toothed ; 

 petioles villous, much exceeding the peduncles ; umbels capitate, 

 3-flowered ; fruit orbicular, furnished with 4 ribs on each side. 



II . B. H. Native of Louisiana, Carolina, Georgia, Chili, and 

 the West India Islands, in humid and inundated places. Rich, 

 hydr. no. 13. f. 14. exclusive of the synonyme of Ruiz et Pav. 



