238 



AGAVE 



AGAVE 



%m. S. Ariz. B.M. 7567. Rep. Mo. Hot. Gard. 7, pi. 29. 

 With denticulate If.-bases it is var. serrulata, Mul- 

 ford. Rep. Mo. Bot. Gard. 7, pi. 29. A plant approach- 

 ing A. parviflora, from the Final Mts. of Ariz., with 

 concave Ivs. 2-^4 in. long, fls. 5^in. long with ovary 

 %in., segm. -fam. and tube J^in., and ovoid caps., is 

 A. Toumeyana, Trel., Rep. Mo. Bot. Gard. 5, pi. 32; 7, 

 pi. 30. A species of the Santa Catalina Mts., Ariz., 

 with Ivs. as in .1. Lecheguitta but filiferous instead 

 of marginate, and fls. nearly as in Schottii, is A. 

 Treleasei, Tourney, Rep. Mo. Bot. Gard. 12, pi. 31a, 

 32, 33. 



46. parviflora, Torr. Small and compact: Ivs. as- 

 cending, oblong, J/ x 2 in., with flat spine and few short 

 coarse outcurved threads, the dilated base denticulate: 

 infl. 2-3 ft., very slender; fls. greenish white, %in.; 

 ovary Jiin., segm. K m -> tube %m.: caps, very small. 

 Ariz, to Sonora Boundary. Pop. Sci. Monthly, 1911, 

 p. 7. Rep. Mo. Bot. Gard. 5, pi. 32, 7, pi. 30. A similar 

 New Mexican plant with narrowly triangular falcate Ivs. 

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



GhieabrechUi, schidigera (x A. Leopoldii II, A.ftlifira 

 Lt'opblilii, }. H. 1893, p. :}), a-n/H/w/i.-i/x (x A. Rom'ani) 

 and xylonaeantha (x A. Villarum). 



144. Agave angustissima. (No. 48.) 



plant with Ivs. resembling small forms of the following 

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

 flora,m A. perplexans, Trel. 



47. filifera, Salm-Dyck (A. pseudofilifera, Ross & 

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

 ceolate, 1-1 % x &-24 in., with openly grooved spine and 

 rather sparing thin marginal threads: infl. rather stout 

 and dense, 10-15 ft.; fls. maroon, IJ^in.; ovary and 

 segm. %in. each, tube J^in. E. Cent. Mex. G.C. II. 

 7, p. 303; III. 21, p. 167. I. H. 7: 243. Lyon Hort. 

 1879, p. 208; 1900, p. 371; 1909, p. 147. Gt. 36, p. 544. 

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

 p. 9. Ref. Bot., 164. Rep. Mo. Bot. Gard. 11, frontisp. 

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

 number of forms: var. filament&sa, Baker (A. filamen- 

 tdsa, Salm-Dyck, A. fill/era latifblia, longifdlia, robtista 

 or major, Bonapdrtea or Litta filamentdsa), G.C. 34. 

 p. 101, with large Ivs.; var. compacta (vars. brevifblia, 

 compacta, densa, depauperata and minor, Hort.), with 

 short broad Ivs.; f. variegata (A. filifera superba, Hort.), 

 in which the dingy cuticular stripes of the type (var. 

 viridis or immaculata) are brighter and more persistent. 

 Hybrids are reported with geminiflora (x A. Taylori), 



48. schidigera, Lem. (A. filifera adornata, A. 

 nata, A. filifera panndsa, A. filifera schidigera, A. .ST//K- 

 dlgera, A. schiedigera princeps, A. prinoeps, LM&a 

 Rdezliif). Lvs. narrowly oblong, spreading, about 

 y% x 12 in., with flattened spine and rather wide 

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

 B.M. 5641. G.W. 2, p. 592. 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 Ivs. and stalked fls., A. Ortgiesiana (A. 

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

 sessile or nearly sessile fls. and mostly very curly 

 and numerous marginal threads, A. angustissima, 

 Engelm. (A. Bignttii or Diguetii, Hort.). Fig. 144. 

 G.F. 6:5 (adapted in Fig. 144); A. vestita, Wats., 

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

 1145. Actes Soc. Linn. Bordeaux. 16, pi. Reported 

 hybrids are A. schiedigera or princeps with filifera 

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



49. geminifl&ra, Gawl. (A. Bonapdrtea, A. Bdscii, A. 

 geminifldra filamentdsa, A. jiincea filamentdsa, Bona- 

 pdrtea filamentdsa, B. flagellifdrmis, B. jiincea, Draciena 

 Bdscii, D. filamentdsa, Littsea or Littea or Littssea 

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

 biconvex, long, gracefully recurving, narrowly linear, 

 scarcely %in. wide, with fine marginal threads. W. 

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

 atricha. Diet. Sc. Nat. 62, pi. 55. F.S. 7, p. 6. Reich- 

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

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

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

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

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



BBBBBBB. Lvs. hard-fibrous, closely striate-grooved, at 

 most scabrous margined: fls. rather small with 

 tube and segms. about equal. Trunkless. 



50. striata, Zucc. (Bonapdrtea jiincea rigidifdlia, B. 

 rigida, B. rigidifdlia, B. striata and B. tenuifdlia, Hort.). 

 Lvs. many, spreading, rhombically biconvex, J^x 24-36 

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

 10 ft.; fls. greenish, \% in.; ovary J^in., protruding 

 into the tube, segm. J^in., tube iHjin. Cent. Mex. B.M. 

 4950. Gt. 29, p. 24. Jacobi, Versuch, p. 154. G.C. 

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

 ously recurving it becomes var. recurva, Baker (A. 

 recurva, Zucc.), G.C. II. 8, p. 556. Jacobi, Versuch, 

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

 chiefly in its fewer Ivs. 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 

 slricta, Bonapdrtea histrix, B. robusta, B. stricta, 

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

 cately upcurved in a globose cluster, triangularly 

 biconvex, 34 x 10-14 in., often pale or purplish, with a 

 flattened triangular spine: infl. 510 ft.; fls. 1J4 in.; 

 ovary 3^ m - segm. iMiin., tube Jjjin. S. Cent. Mex. 

 Jacobi, Versuch, p. 153. Gt. 31, p. 56. Gart. Mag. 40, 

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

 ber of forms: purpirea with purplish, and rdsea with 

 rosy foliage of the ordinary type; glauca (A. dealbdta 

 hystrix, A. hystrix glauca and glaucescens, A. striata 

 glauca, Bonapdrtea glauca, B. striata pulverulenta, 

 Littxa dealbata, L. glauca, Hort.), with long, and nana 

 (A. dealbata brevifblia, compacta minor and nana, etc.), 

 with short, pruinose Ivs. A closely related form with 

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

 is A. echinoides, Jacobi (A. striata echinoides, A. ensi- 

 formisf, A. hystrix Richdrdsiif, A. Richdrdsiif, A. 

 slriata Richdrdsii, Dasylirion junceum?, Hort.). Gn. 

 19, p. 372. 



