UMBELLIFER^:. XV. MULINUM. XVI. LARETIA. XVII. DRUSA. XVIII. HUANACA. 



261 



Patagonia. D'Urv. fl. inal. p. 47. Gommier, Pern, voy. 2. p. 7. 

 and 65. ex D'Urv. Hydrocotyle gummifera, Lam. diet. 3. p. 

 156. ill. p. 189. f. 21. Bolax gummifera and B. complicate, 

 Spreng. umb. spec. p. 9. and p. 10. Azorfella caespitosa, Vahl, 

 symb. 3. p. 48. 



Clebaria Bolax. PL foot. 



Cult. See Fragbsa, p. 259. for culture and propagation. 



XV. MULFNUM (an ancient name of an umbelliferous 

 plant). Pers. ench. 1. p. 309. Lag. am. nat. 2. p. 94. D. C. 

 coll. mem. 5. p. 32. D. C. prod. 4. p. 79. but not of Gaudin. 

 Bolax species of Spreng. Selinum species of Cav. 



LIN. SYST. Pentdndria, Digynia. Limb of calyx 5-toothed, 

 permanent. Petals oval-oblong, acute, flat. Styles acute. 

 Fruit 4-\vinged or parallelly biscutate ; mericarps without vittae, 

 very much contracted at the commissure, compressed on the back, 

 5-ribbed ; middle rib on the back nerve-formed, as well as the 

 2 lateral ones, the 2 intermediate ones expanded into ample 

 lateral wings. SufFruticose tufted herbs, natives of Chili. Leaves 

 3-5-cleft or undivided ; petioles sheathing. Umbels simple ; 

 pedicels longer than the many leaved involucrum. Flowers yel- 

 low. This genus, according to Lagasca, is probably divisible 

 into several. 



1 M. SPINOSUM (Pers. ench. 1. p. 309.) cauline leaves trifid; 

 segments subulate and spiny : lateral segments bipartite ; pe- 

 tioles sheathing, glabrous ; peduncles longer than the leaves ; 

 leaves of involucrum distinct, short, spreading a little ; fruit 

 orbicular. "%. . F. Native of Chili, on the highest mountains, 

 called Cordillera del Planchon and del Portillo, towards Men- 

 doza; between Los Ojos de Agua, and El Rio de Los Ojos de 

 Agua ; Andes of Chili, and Cordillera of Chili, at the elevation 

 of 5,500 or 7,000 feet. Selinum spinosum, Cav. icon. 5. p. 59. 

 t. 487. f. 1. Bolax spinosus, Spreng. in Schultes, 6. p. 362. 

 exclusive of the synonymes. Stems half a foot high. Umbels 

 10-12-flowered. Petals of a reddish yellow-colour. 



Spiny Mulinum. PI. ^ foot. 



2 M. PROLI'FERUM (Pers. 1. c.) cauline leaves trifid ; segments 

 subulate, spinose ; petioles sheathing, glabrous ; leaves of in- 

 volucrum short, distinct, rather spreading ; umbels peduncu- 

 late, longer than the leaves ; fruit orbicular. Tj. . F. Native 

 of South America, at Port Desire ; and of Chili, on the Andes 

 of Mendoza between San Isedro and Portezuela, on the declivi- 

 ties of mountains at the elevation of 5,000 to 10,000 feet. 

 Selinum proliferum, Cav. icon. 5. p. 58. t. 486. f. 1. Bolax 

 prolifer, Spreng. in Schultes, syst. 6. p. 361. Root twisted. 

 Stems 3-4 inches high, covered by the sheaths. Leaves gla- 

 brous. Umbels 5-7-flowered, sometimes proliferous. Petals 

 yellow. 



Proliferous Mulinum. PI. ^ foot. 



3 M. CUNEA'TUM (Hook, and Arn. in Beech, bot. 1. p. 26.) 

 leaves wedge-shaped, trifid, and sometimes 5-6-cleft: each lobe 

 ending in a spiny point ; sheaths of leaves elongated, stiff, 

 ciliated ; umbels many flowered, on short peduncles. -If. . F. 

 Native of Chili, about Valparaiso, and on the mountains of Val- 

 paraiso ; and at Huilquilema, in the province of Rare. Azo- 

 rella spinosa, Pers. ench. 1. p. 303. Fragosa spinosa, Ruiz et 

 Pav. fl. per. 3. p. 27. 



Cuneated-leaved Mulinum. PI. -^ foot. 



4 M. ULI'CINUM (Gill, et Hook, in bot. misc. 1. p. 328. t. 64.) 

 leaves trifid : segments subulate, spiny ; umbels nearly sessile, 

 terminating the very short branches ; fruit elliptic. ^ . F. Na- 

 tive of Chili, near La Cienega de Bonillo, near the tops of the 

 Uspallata range of mountains, at the elevation of 9,500 feet. 

 M. echinus, D. C. prod. 4. p. 79. Bolax echinus, Presl. mss. 

 A glabrous, much branched, humble, odoriferous plant. Petals 



marked by an elevated longitudinal line in the middle. Leaves 

 of involucrum linear-subulate. 



Furze-like Mulinum. Shrub -^ to ^ foot. 



5 M. MICROPHY'LLUM (Pers. 1. c.) cauline leaves imbricate, 

 minute, tripartite : lobes linear-lanceolate, each terminated by a 

 hair ; petioles stem-clasping, ciliated at the base. Tj . F. Native 

 of South America, at Port Desire. Selinum microphyllum, Cav. 

 icon. 5. p. 59. t. 486. f. 2. Petals reddish, yellow in the dried 

 state. Stem shrubby, 3 inches long, branched, covered by the 

 sheaths. 



Small-leaved Mulinum. PI. ^ foot. 



C M. ALBOVAGINA'TUM (Gill, et Hook, in bot. misc. 1. p. 

 328.) leaves trifid ; segments ovate-lanceolate, mucronate ; um- 

 bels axillary, small, few-flowered, sessile. T? . F. Native of 

 Chili, at Cerro de la Polcura, on the Andes of Mendoza. Shrub 

 branched, dichotomous. 



White-sheathed Mulinum. PI. | foot. 



Cult. See Fragosa, p. 259. for culture and propagation. 



XVI. LARE'TIA (Llareta is the vernacular name of the 

 plant). Gill, et Hook, in bot. misc. 1. p. 329. t. 65. 



LIN. SYST. Pentdndria, Digynia. Margin of calyx 5-toothed. 

 Petals ovate, entire. Fruit elliptic, square, flatly compressed 

 from the back, 4-winged ; mericarps lenticular, with dorsal ribs, 

 and 2 lateral marginal ones, destitute ofvittse. Seed flat. 



1 L. ACAO'LIS (Gill, et Hook. 1. c.) Tf.. F. Native of the 

 Andes of Chili, in Ell Valle de Fray Carlos, at the elevation of 

 10,000 feet; Cordillera of Chili, Los Ojos de Agua. Mulinum 

 acaule, Pers. ench. 1. p. 309. Selinum acaiile, Cav. icon. 5. p. 

 59. t. 487. Root thickish, rather fusiform, woody. Plant 

 tufted. Leaves ovate, attenuated at the base ; umbel radical, 

 sessile. 



Stemless Laretia. PI. -J- foot. 



Cult, See Fragosa, p. 259. for culture and propagation. 



XVII. DRU'SA (in honour of M. Le Dru, a French botanist 

 and traveller). D. C. ann. mus. 10. p. 466. t. 38. Spreng. umb. 

 prod. p. 15. f. 6. Lag. am. nat. 2. p. 94. D. C. prod. 4. p. 80. 



LIN. SYST. Pentdndria, Digynia. Limb of calyx entire, not 

 perspicuous. Petals oval, entire. Fruit oval ; mericarps much 

 compressed on the back, without any vittse : the dorsal rib and 

 the 2 inner ones linear, and not prominent : the 2 intermediate 

 ones are drawn out into marginal repandly sinuated wings, having 

 the sinuses obtuse, and the angles furnished with hooked stellate 

 spinules. Seed much compressed. A decumbent slender stoni- 

 ferous herb, native of TenerifFe. Leaves opposite, petiolate, 

 broadly 3-lobed, crenated. Hairs on divers parts of the plant 

 very different, some of which are stiff, stellate, and hooked at 

 the apex ; others are soft, simple, solitary, or in stellate fasci- 

 cles. Umbels axillary, pedunculate, 1-2-flowered, without any 

 involucrum. Flowers small, white. Plant with the habit of 

 Bomlesia, but the fruit is very different. 



1 D. OPPOSITIFOLIA (D. C. 1. c.) Q. H. Native of Tenerifle, 

 on shady rocks between Port Orotava and Monte Verde. Sicyos 

 glandulosa, Poir. diet. 7. p. 155. Bowlesia oppositifolia, Buch. 

 uebers. can. p. 34. Poir. ill. gen. 3. p. 590. t. 934. 



Opposite-leaved Drusa. Fl. July, Aug. Clt. 1824. PI. cr. 



Cult. Sow the seeds of this plant in the open ground in any 

 warm situation. 



XVIII. HUANA'CA (meaning not explained). Cav. icon. 6. 

 p. 18. t. 528. f. 2. D. C. coll. mem. 5. p. 32. prod. 4. p. 80. 

 Oenanthe species, Spreng. Spananthe species, Lag. am. nat. 2. 

 p. 93. 



