AC^NA. 



branous combined Jlipulas. Floiuers fraall, greenifti, in a 

 globofe head, or interrupted fpike. Fruit reddifh, dry. 



1. A., lappacea. Bur Acasna. Vahl n. i. " Fl. Peruv. 

 V. I. 66. t. 103. f. a." — " Leaflets oblong, feiTated. 

 Flowers racemofe. Fruit all over prickly. Stem ereft." — 

 Native of craggy funny fpots in the diftrift of Tarma, Peru. 

 Stems rather fhrubby, numerous, a foot high, flightly 

 branched, round, \t11ous. Leaflets four pair, deeply fer- 

 rated, hairy ; becoming fmooth by culture. Flotver-Jlalks 

 axillary, four times as long as the leaves, bearing from five 

 to feven diftant, ftalked _y?0TO fr/. 



2. A. elongata. Mutifian Acaena. Linn. Mant. 200. 



Vahl n. 2. Willd. Sp. PI. v. i. 693 Leaflets oblong, 



ferrated ; downy beneath ; bearded at the tips of the ferra- 

 tures. Spikes elongated, comprefled. Fruit all over 

 prickly. Stem nearly erect. — Found in Mexico, by the 

 celebrated Mutis. Stem woody, perennial, witli very long, 

 afcending, fomewhat compound branches, two. feet in length. 

 Leaves fcattered ; leajlets feffile, crowded ; the lower ones 

 very fmall, linear, acute, entire ; from four to eight of the 

 upper pair larger, oblong, ferrated. Spikes axillary, ereft, 

 rigid, a fpan long. BraSeas folitary, clofe to the calyx, 

 cor.cave, ovate-oblong. Flowers alternate, nearly feffile. 

 Mutis. 



3. A. latehrofa. Hairy Acsena. VaU n. 3. Ait. n. i. 

 (Anciftrum latebrofum ; Willd. Sp. PI. v. i. 155. A. 

 decumbens ; Thunb. Prodr. 6. Agrimonia decumbens ; 

 Linn. Suppl. 251.) — Leaflets oblong, cut, hairy. Stem 

 creeping. Spikes elongated, ftalked, many-flowered. — 

 Native of the Cape of Good Hope. The germen is downy, 

 befet with many barbed prickles, which, as the/r«;V ripens, 

 projeft through the fliin of the calyx. See Gxrtner f. 2, 

 and Lamarck f. 4. 



4. A. pinnatifida. Deep-cut AcEena. Vahl n. 4. " Fl. 

 Peruv. V. I. 68. t. 104. f. b." — Leaflets oblong, deeply 

 ferrated, almoft pinnatifid ; hairy beneath. Spikes cylin- 

 drical. Stem ereA. — Found on d-ry expofed hills in Chili. 

 Commerfon gathered what appears to be the fame, at Monte 

 Video, not, as Vahl by mifl;ake fays, at the ftraits of 

 Magellan. The Jlem is quite fimple, a fpan high, leafy, 

 very hairy in the upper part. Leaves numerous at the root, 

 and feveral On the item, with eight or nine pair of leajlets, 

 befides the odd one ; the largefl; near an inch long, copioufly 

 and deeply cut, like Potcntilla anferina. Spike obtufe, an 

 inch or inch and half lonrr, denie, many-flowered, dark 

 purple. Germen befet with ftrong barbed thorns, not pro- 

 ceeding from its teeth. 



5. A. Sanguiforbie. Burnet-leaved Acxna. Vahl n. 5. 

 Ait. n. 2. (Ancift:rum Sanguiforboa ; Linn. Suppl. 89. 

 A. diandrum ; Forft. Prodr. 10. A. anferinaefolium ; 

 Forfl:. Gen. 2. Lamarck lUuftr. v. i. 76. t. 22. f. i.) — 

 Leaflets obovate, deeply ferrated ; filky beneath. Spikes 

 globofe. Stem decumbent. Calyx-teeth awned. — Native 

 of New Zealand, Terra del Fuego, and Staten-land. Intro- 

 duced into Kew garden by fir J. Banks, in 1 796. Perennial 

 and hardy, flowering in June. The Jlems are a fpan or 

 more in length. Leaves refembling Burnet ; fmooth above. 

 Heads oi jloiuers globofe, denfe, on long ft;alks. 



6. A. ovaUfolia. Oval-leaved Acsena. Vahl n. 6. 

 " Fl. Peruv. v. I. 67. t. 103. i.e." Ait. n. 3. (Ancif- 

 trum repens ; Venten. Jard. de Cels, t. 6.) — Leaflets 

 elliptic -oblong ; villous beneath. Spikes globofe. Stem 

 creeping. Calyx-teeth awned. Stigma unilateral — Native 

 of Peru, in moift. Ihady places. Cultivated at Paris, by the 

 late M. Cels, and at Kew by Mr. Aiton, where it is hardy, 

 flowering in May and June. We can difcover no difference 



between this and the foregoing, th^ Jligma being perhaps 

 accidentally im perfed. & f v= 



7. A. argentea. Silvery Acaena. Vahl n t p] 

 Peruv. V. I. 67. t. 103. i.b. (Proquin; Feuill! Voy'. 

 V. 3. 55. t. 41.)— Leaflets elhptic -lanceolate, acute, fer- 

 rated ; filky beneath. Spikes globofe. Stem creeping — 

 Native of Chili, in moifl; ground. The Indians ufe it as a 

 vulnerary. The branches are two feet long. Leaves ftiining 

 and fmooth above; fi^very beneath. Flowers in globular 

 heads, on long fl;alks. Stamens two or four. Calyx with 

 two, thi-ee, or four terminal awns. 



8. A. lucida. Siiining Deep-cut Acaena. Vahl n. 8. 

 Ait. n. 4. (Anciftrum lucidum ; Willd. Sp. PI. v. i. 155. 

 Lamarck Illultr. v. i. 77. t. 22. f. 3.)— Leaflets in tW 

 or five deep oblong fegments ; hairy beneath. Spikes 

 oblong. Stem ahnofl: buried — Native of the Falkland 

 iflands, from whence Dr. Fothergill procured it in 1777. 

 Commerfon gathered the fame in the ftraits of Magellan. 

 The jlems run juft under the furface of the ground, fending 

 up numerous leafy tufts. Leaves linear-oblong, of many 

 pairs of fmall, elliptic-oblong, deeply divided leajlets. Spikes 

 partly interrupted. Fruit reddifti, fmooth, entirely unarmed, 

 as well as the calyx, in our fpecimens. Vahl attnbutes four 

 awns to the latter. 



9. A. trijlda. Three-cleft Acgena. Vahl n. 9. FL 

 Peruv. V. I. 67. t. 104. i.c — " Downy and hoary. Leaf- 

 lets wedge-ftiaped, in three or five fegments. Spikes glo- 

 bofe. Stemeredt." — Native of pafl;ures, fields, and hills in 

 Chih. Denfely villous. Stems feveral, unequal, the longeft 

 meafuring about a foot. Leajlets feven or eight pair ; the 

 lowermolt often undivided. Floiuerjlalks terminal, often 

 bearing one or two little round heads, befides the principal 

 one. Bradeas linear. Calyx fometimes five-cleft. Stamens 

 two to five. Fruit obovate, denfely villous, with four or 

 five angles, and as many awns. Vahl. 



10. A. magellantca. Magellanic Acsna. Vahl n. 10. 

 (Anciftrum magellanicum ; Lamarck lUuftr. v. i. 76. 

 t. 22. f. 2.) — Leaflets obovate, deeply ferrated, three- 

 cleft ; hoary beneath. Spikes globofe. Stem ereft, fmooth. 

 — Gathered by Commerfon, at the ftraits of Magellan. 

 Stems rather ftirubby, three or four inches high, branched, 

 fmooth ; fometimes hoary at the fummit. Leaves at the 

 ends of the branches : leaflets five or fix pair, fcarcely liaif 

 the length of the nail ; the uppermoft with feven or nin« 

 teeth, lower with about three, loweft of all entire. Flo-wer- 



Jlalks axillary, at the top of each' branch, ereft, purplifl!, 

 flightly villous at the upper part. Head twice the fize of a 

 pea. Very nearly akin to the laft, but the fmoothnefs of 

 the Jlem, branches clothed with imbricated bafes of the Joot- 



Jlalks, crowded leaves, and fmooth braSeas, diftinguifti tills 

 fpecies. Vahl. 



11. A., adcendens. Afcending Smoothifli Acaena. Vahl 

 n. II. (A. Iffivigata ; Ait. n. 5 ? Anciftrum magellani- 

 cum /3 ; Lamarck lUuftr. v. i. 76.) — Leaflets oblong or 

 obovate, ferrated, nearly fmooth. Spikes globofe. Stem 

 decumbent. — Gathered by Commerfon at the ftraits of 

 Magellan. We do not find any fpecimen from him in the 

 Linnaean coUeftion ; but Mr. Menzies has communicated 

 fome, by the name of Ancjlrum alpinum, which appear to 

 anfwer to Valil's defcription, except being conliderably 

 hairy. Thefe were gathered on the fummits of the moun- 

 tains near Cape Horn, along with Fiola tridentaia. (See 

 VioiA n. 76.) Vahl fpeaks of ihe Jlems as afpan long, 

 fmooth. Leaflets from five to feven pair, oppofite or aher- 

 nate, bluntly ferrated, veiny, fomewhat hairy at the nb. 

 Flower Jialks terminal, elongated. Head tlie fize of a cherry. 



Calyx 



