r"' 



> ^_ 



V ^^^.ri^ 1 



88 



CON'TRIliUTIONS FROM THE NATIONAL HERBAEIUM. 



^rJ 



known onl}' from foliage or flowerino* specimens have been referred 

 to Nolina while those collected, in fruit huve been descril)ed us Das}^- 

 lirion, Beaucarnea rarelv flowers in cultivation and, hi^luo; dioecious 

 or nearly so, its fruit has rarely if ever been obtained, ' 



Monographers therefore have associated Beaucarnea and Nolina 

 together ])ecause of the siinilaritv of their leaves, 



Beaucarnea guatemalensis Rose, pp. iiov. Figl're 1. 



Tree, 6 to 12 meters Itigh with a thi(*kemHl Imll^oua luise abruptly contracted into 

 a slender stem 5 to 8 cm. in dian^eter; pwoUen base covered witli a thick corkv bark 

 6 cm. thick; upper part of Ftem f^mooth and with very thin bark; leaves numer- 

 ous, clu;!:tered at the fop as in tlie 

 common cultivated Beaucarueas, 

 erect (?), broad at liase {4 to 5 cm. 



broad), 10 to L'i mm. broad im- 

 mediately al)ove the base, 25 mm, 

 broad 20 cm. from Itase, gradually 

 taperin*r upward inttj a long fili- 

 form tip 00 to SO cTu. long, the 

 margin entire; nude inflorescence 



L 



an open panicle, 75 to 110 cm. 



female inflorescence not 

 seen; fruit 15 mm. long, strongly 

 o-winged; wings thin, 4 to 5 mm. 

 broad. 



Type specimen U. S. Xational 



long; 



Fig. 1.— Fruit of Beaucarnea [ftiatemalensis. a, 8id(^ vJow; 

 b, cross Poction showing- sctMl; c, cross section s'^liowiuK 

 undeveloped ovules iit base. All scale 2. 



Herbarium no. 474781, collected by W. A. Kellerman in a rocky ravine on the south 

 side of the Sierra de la« 3Iinas, oi>posite EI Rancho, Guatemala, altitude about 600 

 meters?, on March 10, 1905 (no. 4320). 



This species beh)ngs with 7?. inermh and IL pUahilis, but the fruit is broader-winged 

 than in the former and the leaves are broader than in the latter, 



Beaucarnea inermis (S. Wats.) Rose. 



DasyUrionmcrHus?^. Wats. Proc. Am. 

 Acad. 26: 157. 1891. 



This remarkable tree, although com- 

 mon in its native haunts, has until very 



FiGUKE 2 



recently 



been 



specimens ol>tained by Dr. C. G. 



Pringle near Las i*alma« in the low^ yi<^-'^.—'Pr\\\i oi Bcaiicanieainernih, a, Side view; 

 lands of San Luis Potosf Dr E ^' ^'rossseetion showing seert ; ..e^o.s.oetionsho^v^ 



i>„i n . 1 ., . ,,,^^ < * , .' inguiuleveloped ovules at base. AlUeale 2. 



Palmer collected it m 1905 in this 



same general region. The writer observed it in 1899, but obtaine<l no si-ecimens. 



Beaucarnea oedipus Pose, sp. nov. Plate XXIII. 



Trees 6 to 12 meters or more high; the base variously an<I enormously enlarged, 

 at first a globular body crowned by a chimp of leaves but in very old plants more or 

 less dome-sliaped an<l 1 to 2 meters high by 2 to 7 meters in circumference; the trunk 

 al)ove the base comparatively slender, often nmch branched, each branch crowned 

 by a cluster of slender leaves; leaves crecit, lin(uir, 25 to 40 cm. long, 4 to 6 mm. 

 broad above the base; inflorescence paniculate; fruit S-win^^ed. 



Type IT. S. Xational Herbarium no. 453GG0, collected by J. X. Pose and Jos. If. 

 Painter on hilLs uearTehuacan, Puebla, August and September, 1905 (no. 10157), Also 

 collected from the same station by Dr. Wm. Trelease, August, 190:^, and by Dr C R 

 Purpus, 1905. 



