UNDESCRIBED PLANTS FROM GUATEMALA AND 
OTHER CENTRAL AMERICAN REPUBLICS. 
XXXIV" 
Joun DonneEtt’ SmitH 
Thouinia brachybotrya Donn. Sm.—Folia petiolo parum 
longiora trifoliolata, foliolis ovato- vel obovato-ellipticis utrinque 
acutis crenulatis supra puberulis subtus velutinis. Racemi 
axillares singuli simplices tenues breves densiflori. Samara 
subsemicircularis, alae latere interiore axin centralem 3-plo super- 
ante, exteriore loculum eee 
Arbor 5-metralis, li li i til Foliorum 
juvenilium tantum visorum petiolus 1-2.5 cm. longus, foliola 4-5 cm. longa 
16-20 mm. lata pellucido-reticulata, nervis lateralibus utrinsecus 10-12 
furcatis marginem attingentibus, petiolulis 1 mm. longis. Racemorum 
pedunculus 3—6 mm. longus, rhachis 15-22 mm. longa vix 1 mm. crassa, pedi- 
celli e nodulo piloso squama transversim elliptica intus glabra cincto orti 3-4 
mm. longi rubiginosi. Sepala 1.5 mm. longa intus glabra. Stamina 1.5 mm. 
longa, filamentis inferne pilosiusculis, antheris glabris. Ovarii cano-velutini 
lobi subrhomboidei 2.5 mm. longi apice obtusi axin centralem subaequantes 
stylum trifidum inferne cano-velutinum paulo superantes. Samara abortione 
saepe solitaria 20 mm. longa to mm. lata velutina tota flabellinervata, alae 
latere interiore recta, exteriore arcuata, axe centrali incana 5 mm. longa, 
loculo 6 mm. longo, semine ovali 4.5 mm. longo, testa ferruginea. Petala in 
exemplis suppetentibus deficientia. 
d ripas fluminis Rio Grande dicti, Depart. Zacapa, Guatemala, alt. 
230 m., Jun. 1909, Charles C. Deam, n. 6343. 
Calopogonium phaeophlebium Donn. Sm.—Foliola elliptico- 
oblonga utrinque obtusa vel obtusiuscula supra pilis appressis 
conspersa subtus praeter nervos primarios fulvescentes cano- 
sericea. Racemi pedunculati foliis longiores remote nodiferi, 
floribus 1-s-nis subsessilibus minimis.. Calycis segmenta tubo 
paulo longiora. Vexillum calyce parum longius. Legumen fulvo- 
strigillosum gracillimum polyspermum. 
Herba volubilis, caulibus petiolis racemis retrorsum fulvo-pilosis. Foliola 
membranacea discoloria 5.5-8.5 cm. longa 2-3 cm. lata mucronulata, lateralia 
* Continued from Bor. GAZETTE 497458. 1910. 
45] [Botanical Gazette, vol. 52 
