Tas. 8746. 
AGAVE FOURCROYDES. 
Yucatan. 
AMARYLLIDACEAE. Tribe AGAVEAE. 
AGavE, Linn. ; Benth, et Hook. f. Gen. Plant. vol. iii. p. 733. 
Agave (§ Euagave) fourcroydes, Lem. in Ill. Hort. vol. xi. Miscell. p. 65; 
Trelease in Rep. Miss. Bot. Gard. vol. xix. pp. 277-279, et in Mem. Nat. 
Acad, Sci. Washington, vol. xi. p. 48, t. 110-112; Berger, Agaven, p. 238, 
fig. 69, species e grege Rigidarum-Sisalanarum, ab omnibus affinibus differt 
praesertim rosula caulescente foliorumque spina terminali robusta. 
Frutex caulescens, caule robusto erecto 0°75-1°2 m. et ultra alto, 25 em. 
diametro, rosula elongata plurifolia coronato basi stolonifero. Folia 
rigidissime erecto-patentia, coriaceo-carnosa, glauca, oblanceolato-ensi- 
formia, circiter 1-4 m. et ultra longa, basin versus attenuata, supra 
medium 10-12 cm. lata, sensim acuminata, basi supra convexa, hine 
planiuscula, superne canaliculata et marginibus erecta, subtus carinato- 
convexa; ad margines e basi usque 5-7 cm. infra spinam terminalem 
aculeata, spinae basales parvae saepe confluentes, reliquae majores 2°2- 
2-5 cm. inter se distantes e basi dilatata 5-6 mm. longa acumine anguste 
deltoideo re- vel incurvato 2-4 mm. longo atrobrunneae, margine inter 
spinas recto vel paullum sinuato; spina terminalis robusta, 3 cm. longa, 
conica, recurvula, basi supra paullum excavata, haud vel vix decurrente, 
atrobrunnea. Injflorescentia 6-7 m. alta; pedunculus erectus, robustus, 
bracteis vacuis numerosis triangularibus acutis adpressis mox exsiccan- 
tibus vestitus; panicula ampla, pedunculum fere aequans vel eo brevior, 
Ne fentiadente 2 seo recta vel subcurvata, ramis circiter 15-20 patentibus 
apice repetite trichotome divisis et flores numerosos luteo-virides dense 
aggregatos ferentibus, post anthesin capsuligeris et abundanter bulbiferis. 
Pedicelli circiter 5 mm. longi, bracteis minutis late deltoideis acutis. 
Perianthii tubus obconico-campanulatus, 6-sulcatus, 15-17 mm. longus; 
segmenta sublinearia, obtusa, tubi longitudine vel paullum longius, luteo- 
viridia mox exsiccantia. Filamenta medio tubi affixa, luteo-viridia, 
6°5 cm. longa; antherae luteae. Ovariwm subtrigono - cylindraceum, 
utrinque angustatum, superne sub tubo constrictum, 3°5 cm. longum, 
6-sulcatum, viride, pruinosum; stylus demum fere 8 cm. longus, stigmate 
capitato. Capsula oblongo-clavata, subtrigona et 3-sulcata, circiter 
5°5 cm. longa, basi stipitata, apice rostrata; semina atra, fere semi- 
orbicularia, 9-10 mm. longa.—Agave ixtlioides, Lem. ex Jacobi in Hamb. 
Gartenzeit. (1866), p. 214, Versuch. p. 287; non Hook. A. rigida, var. 
longifolia, Engelm. in Trans. Acad. Sci. St. Louis, vol. iii. p. 361; Collected 
Works, p.312. A. Ixtli, var. elongata, Baker in Gard. Chron. 1877, vol. viii. 
p. 397; Ricasoli, Monogr, Agav. p. 21; Terrace. Primo Contributo, p. 44, 
A. rigida, var. elongata, Baker, Handb. Amaryll. p. 181; Kew Bulletin, 
1892, p. 38; .Braun in Pflanzer, vol. iv. p. 70. A. elongata, Berger, Hort. 
Jan.—Marcn, 1918. 
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