238 



AGAVE 



AGAVE 



*8in. S.Am. B.M.7507. Rep. Mo. Bot. Card. 7, pi. 20. 

 — With denticulate If.-lvuses it is var. semilata, Mul- 

 fonl. Hep. Mo. Hot. Oard. 7. pi. 2!). .\ plant :ip]>roaoh- 

 inK .4. ixirviflora. from the Pinal Mts. of .Vriz., with 

 coneave Ivs. 2—1 in. long, fls. •''sin. long with ovary 

 's'"-. sepin. fVin. anil tulie 's'"-. imd ovoid caps., is 

 A. ToumeySna, Trcl., Rep. Mo. Hot. (!anl. .">, pi. 32; 7, 

 pi. 30. .\ species of the Santa Catalina Mt,s., .\riz. 

 with Ivs. as in .1. Lecluguilla but filifcrons instead 

 of niarginate, :ind fls. nearly as in Schotlii, is A. 

 Treleasei, Toumev, Hep. Mo. Bot. Gard. 12, pi. 31a, 

 32, 33. 



46. parviflSra, Terr. Small and compact: Ivs. as- 

 cending, oblong, )4 X 2 in., with fiat s|)ine and few short 

 coiirse outcun'ed threads, the dilatcxl base denticulate: 

 infl. 2-3 ft., verj' slender; fls. greenish white, ^in.; 

 ovar>' ?siD! segni. 'sin., tube ^s'n.: caps, very small. 

 Ariz, to Sononi Boundary. Pop. Sci. ^lonthly, 1911, 

 p. 7. Rep. Mo. Hot. Gard. 5, pi. 32, 7, pi. 30. — .\ similar 

 New Mexican plant with narrowlv triang\ilar falcate Ivs. 

 and grooved spine is A. Hartmaini, Wats. ,\ less dwarf 



144. Agave angustissima. (No. 48.) 



j)lant with Iv.h. rcserabUng small forms of the following 

 but denticulate at base, sometimes cult, as A. parvi- 

 floTa,h A. perplexans, Trel. 



47. filifera, S.ilm-Dyck {A. pacudofiiifera, Rass & 

 Lanz.). Lvs. .somcwliat upcurved-spreading, oblong-lan- 

 ceolatc, 1-1 } 2 X <S-24 in., with openly grooved spine and 

 rather sparing thin marginal threads: infl. rather stout 

 and dense, 10-l."j ft.; fls. maroon, IK in.; ovary and 

 segm. 5^in. each, tube y^m. E. Cent. Mex. G.C. II. 

 7, p. 303; III. 21, p. 107. I. H. 7: 243. Lyon Hort, 

 1879, p. 208; 1900, p. 371; 1900, p. 147. Gt. 36, p. 544. 

 Neubert's (iart. Mag. 39, p. .307. G.W. 6, p. 79; 1907, 

 p. 9. Ref. Hot., Ifj4. Rep. .Mo. Bot. Gard. 11, frontisp. 

 Icon. Sel. Hort. Thenensis, pi. 144. — Varies into a 

 number of forms: var. filament6sa, Baker {A. filnrnen- 

 Ibna, Salin-Dyok, A. filifera Uitifolia, longifdlin, roMsta 

 or m/tjt/r, limtnjArleii or lAltsai fihimerdosa) , G.C. 34. 

 p. 101, with large lvs.; var. compScta (vars. hrevifdlia, 

 crmjmrUi, ilenaa, rlcpaupiratn and mXnt/r, Hort.), with 

 short broa<i lvs.; f. varieg^ta ( A. filifera nuperha, Hort.), 

 in which the dingy ciiticular stripes of the typi^ (var. 

 viri/iin or imrruiculiiUi , are brighter and more persistent. 

 Hybrids are rei)orted with geminiflora (x A. Tfiylori), 



Chiixhrechtii, schitligtrn (x A. Leopdldii II, .1. filifera 

 Lcapbtitii, J. H. ISO.'i, p. 3:M). xalaprn^i^ (x A. Romdiii) 

 and jri/lonacanlha (x A. Villarum). 



48. schidigera, Lem. (.4. filifera athrnala, A. ador- 

 nata, A. filifera pannosa, A. filifera nclddigera, A. schie- 

 digera, A. schicdlgera princeps, A. prinoeps, LiUseti 

 R&zlii'l). Lvs. narrowly oblong, spreading, about 

 '2 X 12 in., with flattened spine and rather wide 

 shaving-like marginal threads. Cent. Mex. I. H. 330. 

 H.M. .'•)641. G.W. 2, p. ,^2. S.H. 4, p. 297.— A num- 

 ber of closely allied forms are rather frequently men- 

 tioned or encountered in cult.: with narrow, often 

 reddened lvs. and stalked fls., A. Ortgiesiana (.4. 

 schidigera Ortgiesiana and A. marilima, Hort.); with 

 sessile or nearly sessile fls. and mostly very curly 

 and numerous marginal threads, A. angustissima, 

 Engelm. (.4. Bignelii or IHgu'clii, Hort.). Fig. 144. 

 G.F. &•.^^ (adapted in Fig. 144); A. vestita, Wats., 

 A. G. 1892, p. 609; and A. Knightiana, Drum., B. R. 

 114.5. .\ctes Soc. Linn. Bordeaux. 16, pi. Reported 

 hybrids are A. schiedigera or princeps with filifera 

 (x A. Leopoldii II) and A. schidigera x Verschaffeltii. 



49. geminiflora, Gawl. (A. Bonapdrlea, A. Bdscii, A. 

 geminifldra filamenlbsa, A. juncea filamentbsa, Bona- 

 pdrlea fikimenlbsa, B. flagelUfbrmis, B. juncea, Dracama 

 Bdscii, D. filamentbsa, Litixa or Litt'ea or lAtlsxa 

 geminiflora, and Yucca Bdscii, Hort.). Lvs. very many, 

 biconvex, long, gracefully recurving, narrowly linear, 

 scarcely 3'4in. wide, with fine marginal threads. W. 

 Mex.(?). Occasionally found in a threadless form, var. 

 atricha. Diet. Sc. Nat. 62, pi. 5.5. F.S. 7, p. 6. Reich- 

 enbach, Icon. 3, pi. 209, 210. Bibl. Ital. 1816, pi. 

 ,Jouni. of Sci. 1817, pi. 1. G.W. 7, p. .548. Hybrids are 

 reported with A. densiflora (x A. Taylori, Hort. A. 

 geminifiora Taylori, G.C. II. 8, p. 620. Mn. 7), and 

 A. filifera (A. Wrightii, Drum., B.M. 8271.) 



BBBBBBB 



._. Lvs. hard-fibrous, closely slriate-grooved, at 

 most sc^ltrous margined: fls. rather small with 

 tube and segms. about equal. Trunkless. 



.50. striata, Zucc. {Bonapdrlea juncea rigidifblia, B. 

 rigida, B. rigidifblia, B. striata and B. tenuifolia, Hort.). 

 Lvs. many, spreading, rhombicaUy biconvex, }4 "24-36 

 in., gray, with needle-shaped brown spine: infl. about 

 10 ft.; fls. greenish, l}<i in.; ovary J-^in., protruding 

 into the tube, segm. Hi^-, tube %m. Cent. Mex. B.M. 

 49.50. Gt. 29, p. 24. Jacobi, Versuch, p. 154. G.C. 

 II. 8, p. 556. G.W. 10, p. 213. With lvs. conspicu- 

 ously recurving it becomes var. reciirva, Baker (.4. 

 recurva, Zucc), G.C. II. 8, p. 5.50. Jacobi, Versuch, 

 p. 158. A. paucifdlia, Tod. (A. Roezlii, Hort.) differs 

 chiefly in its fewer lvs. one-half wider, Hort. Panorm., 

 pi. 19. The name striata has been applied, as a specific 

 name, to variegated forms of A. americana. 



51. stricta, Salm-Dyck {A.histrix or hystrix, A. striata 

 slrlcta, Bonapdrlea histrix, B. robusta, B. stricta, 

 Littxa histrix. Yucca histrix, Hort.). Lvs. many, fal- 

 cately upcurved in a globose cluster, triangularly 

 Ijieonvex, H x 10-14 in,, often pale or purplish, with a 

 flattened triangular spine: infl. .5-10 ft.; fls. l'^ in.; 

 ovary Hin., segm. %m., tube }2'n- f^- Cent. Mex. 

 Jacobi, Versuch, p. 153. Gt. 31, p. .50. Gart. Mag. 40, 

 p. .309. L. de Smet, Cat. 1874, pi. — Known in a num- 

 ber of forms: purpurea with i)urplish, and r6sea with 

 rosy foliage of the ordinary type; glafica (.4. dealbata 

 hystrix, A. hystrix glaiica and glaucescens, A. striata 

 glaiica, Bonapdrlea glauca, B. striata pulverulenta, 

 Ldttka dealbata, L. glaiica, Hort.), with long, and nina 

 (A. dealbata hremfblia, compdrta minor and nana, etc.), 

 with short, jiruinose lvs. A closely r(4ate(l form with 

 flat rhombic lvs. with flatter spine, and short-tubed fls. 

 is A. echinoides, Jacobi (A. striata echinindes, A. en.fi- 

 formis',', A. hystrix Richdrdsiif, A. Richdrdsiif, A. 

 striata Richdrdsii, Dasylirion junceumf, Hort.). Gn. 

 19, p. 372. 



