STANDLEY TKEES AND SHRUBS OF MEXICO. 129 



Durango; type, in the lierbarium of the Missouri Botanical Garden, from 

 Pueblito, Trclease. 

 " Maguey chino." 



98. Agave subzonata Trel., sp. nov. 



Leaves gray, somewhat zoned witli green, smootli or slightly rough, acute, 

 30 cm. wide, 120 cm. long, with stout gray spine 5 to 10 mm. wide and 30 mm. 

 long, and rather heavy curved triangular teeth 40 to 50 mm. apart on very 

 high fleshy prominences ; panicle 5 meters tall, sparingly branched at top ; 

 filaments inserted about the middle of the rather long perianth tube ; capsules 

 stipitate and beaked, 2 em. broad, 4.5 cm. long; seeds 5 mm. wide, 6 to 7 mm. 

 long. 



Nuevo Leon; type, in the herbarium of the Missouri Botanical Garden, col- 

 lected at Monterrey, Trelease; common in hedges., 



99. Ag'ave zonata Trel. in Bailey, Stand. Cycl. Hort. 1: 234. 1914. 

 Nuevo Leon ; type locality, Monterrey ; common in hedges. 



Leaves broadly and distinctly green-and-gray-banded, rough, acuminate, 25 

 cm. wide and 100 cm. long or more, with long, rather slender spine and rather 

 distant triangular teeth between which the margin is very concave ; capsules 

 stipitate but scarcely beaked, 2.5 cm. broad, 4 to 4.5 cm. long ; seeds about 5 mm. 

 wide and 8 mm. long. " Maguey verde." " 



100. Agave gracilispina Engelm. ; Leichtlin, Cat. 1882 ; Trel. in Bailey, Stand. 

 Cycl. Hort. 1: 234. 1914. 



Agave salmiana gracilispina Rol.-Goss. Rev. Hort. 68: 11. 1896. 

 San Luis PotosI ; type locality, San Luis Potosl. 



Aspect of the next, but the spine very long and needle-like. " Maguey bianco." 

 Planted for pulque. The leaf fiber of this and some of the following, as well 

 as of the marginate species, is known as " ixtle." 



101. Agave inelliflua Trel. in Bailey, Stand. Cycl. Hort. 1: 234. 1914. 

 Nuevo Leon ; type locality, Monterrey. 



Leaves light gray, slightly roughened, 16ng-acuminate, 30 cm. wide, 120 to 

 200 cm. long, with long, relatively slender, gray spine 4 to 6 mm. wide and 

 35 to 45 mm. long, and heavy-based, abruptly rather triangular-cusped teeth 

 20 to 50 mm. apart and 10 mm. long, on fleshy prominences; panicle 5 to 6 

 meters tall, 'rather narrow, sometimes bulbiferous; capsules stipitate and some- 

 what beaked, 2.5 cm. wide and 5 cm. long. 



" Maguey serrano," " maguey manso," " maguey chino " ; cultivated for agua- 

 miei and the so-called pulque fermented from it there. 



102. Agave quiotifera Trel.; Ochoterena, Mem. Soc. Alzate 33: 102. 1913. 

 Durango; type locality, Pueblito. 



Leaves light gray, acute, moderately concave, about 30 cm. wide and 120 cm. 

 long or more, with conical gray spine 8 mm. wide and 150 mm. long, and tri- 

 angularly recurved teeth 25 to 40 mm. apart and about 4 nim. long, on low 

 fleshy or horny bases between which the margin is nearly straight ; inflorescence 

 6 meters tall ; flowers 70 to 80 mm. long, yellow, the tube and segments equal. 



" Maguey ceniso '■' ; cultivated in hedges ; sometimes used for aguamiel, or 

 the flower stalk allowed to develop and cut for '' quiote," which is sold on the 

 streets and chewed like sugar cane. 



103. Agave crassispina Trel. in Bailey, Stand. Cycl. Hort. 1: 234. 1914. 

 San Luis Potosl and Durango; type locality, about San Luis Poto.si. 

 Aspect of the preceding, but the leaves 25 cm. wide and 100 cm. long, only 



slightly gray, the spine very stout, 15 to 18 mm. wide, 50 to 80 mm. long, and 



