252 



UMBELLIFER^E. I. HYDROCOTYLE. 



Carolina ; and probably of South America, if the synonyme of 

 Loefling, itin. p. 281. is referrible to the species. Lam. diet. 3. 

 p. 152. Rich. hydr. no. 19. f. 10. Spreng. umb. no. 3. t. 2. f. 3. 



Var. a, flexicaulis (Michx. fl. bor. amer. 1. p. 162.) stems 

 more firm, shorter, and as if they were flexuous. 



Var. ft, gracilis (Michx. 1. c.) plant more slender, filiform, not 

 flexuous ; leaves smaller. 



American Penny-wort. Fl. May, Aug. Clt. 1790. PI. cr. 



44 H. MULTICAU'LIS (Pohl, in litt. 1828. ex D. C. prod. 4. p. 

 64.) plant creeping ; leaves on long petioles, glabrous, reni- 

 formly orbicular, 9-nerved, and somewhat 9-lobed : each lobe 

 with 3 crenatures ; petioles shorter than the peduncles, both 

 bearded with pili at the apex ; umbels capitate, 15-20-flowered ; 

 fruit glabrous, ribbed, emarginate at both ends. 7/ . B. S. Na- 

 tive of Brazil. Leaves and inflorescence like those of H. Ame- 

 ricdna. 



Many-stemmed Penny-wort. PI. cr. 



45 H. ROTUNDIFOLIA (Roxb. hort. beng. p. 21.) plant tufted 

 and creeping ; leaves petiolate, reniformly orbicular, 7-nerved, 

 bluntly 7-lobed, dentately crenated, hispid beneath, glabrous 

 above ; umbels opposite the leaves, nearly sessile, 7-9-flowered ; 

 fruit glabrous, acutely 5-ribbed. y. . B. F. Native of the east 

 of Bengal, in Silhet. Petioles twice the length of the limbs of 

 the leaves, and are as well as the stems glabrous. 



Round-leaved Penny-wort. PI. cr. 



46 H. TENF/HA (D. Don, prod. fl. nep. p. 183.) plant tufted 

 and creeping ; leaves reniform, somewhat 7-lobed, crenated, 

 quite glabrous, shining ; umbels capitate, sessile, few-flowered. 

 If. B. H. Native of Nipaul. Allied to H. nitidula, but differs 

 in the leaves being less lobed, in the petioles being shorter, and 

 in the umbels being sessile. 



Pliant Penny-wort. PI. cr. 



47 H. ALA'TA (Rich. hydr. no. 50. f. 28.) plant quite gla- 

 brous ; stems erect, winged, compressed ; leaves cordate, bluntly 

 hastate, on short petioles ; peduncles longer than the petioles ; 

 umbels 4-6-flowered ; pedicels quite distinct ; fruit lenticular, 

 compress* d, furnished with 1 ribs on both sides. If. . B. F. 

 Native of New Holland. H. pusilla, R. Br. ined. but not of 

 Rich. 



Winged Penny-wort. PI. -j to 1 foot. 



48 H. MUSCOSA (R. Br. in Rich. hydr. no. 45. f. 27.) plant 

 rather hairy ; leaves palmate ; segments 3-5, narrow, cuneated, 

 tridentate at the apex ; peduncles shorter than the petioles ; um- 

 bels somewhat capitate, 6-8-flowered , fruit orbicular, rather 

 compressed, having 2 ribs on both sides. % . F. Native of New 

 Holland. Petioles nearly an inch long, glabrous. 



Mossy Penny-wort. PI. cr. 



49 H. TRIPARTI'TA (R. Br. in Rich. hydr. no. 46. f. 25.) plant 

 rather pilose ; leaves palmate : segments 3, cuneated, deeply 

 toothed : lateral ones usually bifid ; peduncles much shorter than 

 the petioles ; umbels rather capitate, 6-10-flowered; fruit orbi- 

 cular, didymous, furnished with 2 ribs on both sides. If. . F. 

 Native of New Holland. Sieb. pi. exsic. nov. holl. no. 628. 

 Flowers nearly sessile in the umbel, but after the flowers have 

 decayed the pedicels lengthen a little. 



Tripartite-leaved Penny-wort. PI. cr. 



* Umbels capitate, many-fiorvered, especially with from 8 

 to 30 nearly sessile Jloners. 



50 H. PLEBE'IA (R. Br. in Rich. hydr. no. 20. f. 23.) plant 

 glabrous; leaves reniform, doubly crenated, 7-9-nerved; pe- 

 duncles shorter than the petioles; umbels capitate, globose, 12- 

 15-flowered; fruit furnished with 2 ribs on each side. I/ . B. F. 

 Native of New Holland. Heads of flowers small : leaves of in- 

 volucrum ovate, acute. Stems trailing. Petioles 1-2 inches 

 long. 



Plebeian Penny-wort. Fl. May, Aug. Clt. 1823. PI. tr. 



51 H. potYRHlzA (D. C. prod. 4. p. 65.) plant trailing, root- 

 ing at the joints ; leaves orbicular, cordate, with a narrow recess, 

 crenated, 9-11-nerved, glabrous on both surfaces, as well as on 

 the petioles ; peduncles villous at the apex ; umbels 20-flowered, 

 densely capitate ; pedicels elongated after flowering, the fruit is 

 therefore pedicellate ; fruit orbicula*, minutely dotted ; meri- 

 carps furnished with one rib on each side. if.. B. S. Native of 

 Brazil, in the neighbourhood of Rio Janeiro. Peduncles shorter 

 than the petioles, rarely longer. The disposition of the flowers 

 is intermediate between the first and second division of the 

 genus. 



Many-rooted Penny-wort. PI. cr. 



52 H. INCRASSA'TA (Ruiz et Pav. fl. per. 3. p. 26. but not of 

 Rafin.) plant glabrous; leaves reniform, 7- 9-lobed, crenately 

 serrated ; serratures thickened, whitish ; petioles long ; umbels 

 many flowered, globose. %. G. Native of Peru, in shady 

 places at Tarma. Rich. hydr. no. 47. 



Thickened Penny-wort. PI. cr. 



53 H. NEPALE'NSIS (Hook. exot. fl. 1. t. 30.) the whole 

 plant scabrous from short scattered hairs ; leaves orbicularly re- 

 niform, 7-lobed, crenately toothed ; flowers monoecious ; umbels 

 globose, many flowered, dense; fruit turgid, without ribs. %.. 

 B. H. Native of Nipaul, in wet places. Some of the umbels 

 apparently contain only male flowers, while others contain only 

 female ones ; these flowers are on short pedicels while young, 

 but afterwards these pedicels gradually lengthen out. It comes 

 very near to H. capita/a, and according to Sprengel is probably 

 not distinct from it. 



Var. a, brevipes (D. C. prod. 4. p. 65.) peduncles at their 

 greatest length shorter than the petioles. 



Var. ft, longipes (D. C. 1. c.) peduncles when bearing the 

 fruit longer than the petioles. H. hispida, D. Don, fl. nep. 

 p. 183. 



Nipaul Penny-wort. Fl. July. Clt. 1820. PI. cr. 



54 H. CAPITA'TA (Pet. Th. fl. trist. d'ac. p. 43. t. 12. but not 

 of Willd. nor Banks,) the whole plant hispid from long bristles ; 

 leaves orbicularly reniform, bluntly and obscurely 7-lobed, un- 

 equally crenated ; flowers monoecious ; umbels globose, many 

 flowered, dense, on short peduncles ; fruit rather turgid, dotted, 

 almost without ribs. If.. B. F. Native of the Island of Tristan 

 da Cunha. Rich. hydr. no. 22. t. 62. f. 29. Carm. fl. no. 15. 

 H. crinita, Pet. Th. in herb. Juss. 



Capitate-flowered Penny-wort. PI. cr. 



55 H. GLOBIFLORA (Ruiz et Pav. fl. per. 3. p. 25. t. 247. f.a.) 

 plant hairy from short down; leaves roundish-reniform, 13- 

 nerved, rather lobulate, crenated ; peduncles a little shorter than 

 the petioles ; umbels globose, many flowered, y. . B. F. Na- 

 tive of Peru, in humid places in woods by stagnant water, near 

 Muna. Nerves of leaves and fruit fulvous. Leaves of involu- 

 crum numerous, linear, and short. Flowers in each umbel 

 about 200. 



Glube-Jlorvered Penny-wort. PI. cr. 



56 H. CITRIOD6RA (Ruiz et Pav. fl. per. 4. p. 26.) leaves re- 

 nifonn, 7-9-lobed, crenated, and are, as well as the petioles, 

 hairy, but pubescent beneath, as well as on the branches ; pe- 

 duncles densely villous, length of the petioles ; umbels small, 

 many flowered, globose, y. . B. F. Native of Chili, in shady 

 humid places about Conception ; and of Peru, in the tract of 

 Huanaco, as well as of Brazil according to Pohl. 



Citron-scented Penny-wort. PI. cr. 



57 H. KANUNCULOIDES (Lin. fil. suppl. p. 177.) plant gla- 

 brous ; leaves orbicularly reniform, 5-nerved, and somewhat 5- 

 lobed ; lobes obtuse, somewhat crenated : middle lobe more pro- 

 longed than the rest ; peduncles shorter than the petioles ; um- 

 bels 5-12-flowered ; flowers pedicellate. 1.B.H. Native of 

 North America, in Pennsylvania and Mexico ; and of South 



