I 



l8 9i ] Undescribed Plants from Guatemala. 199 



Neea psychotrioides. — Fruticose (6-8 ft.), dichotomous, 



smooth except rufo-fuscous pubescence of younger parts and 

 inflorescence, branchlets terete and grayish: leaves suboppo- 

 site, 4-verticillate at forks, unequal in the pairs, equilateral, 

 oblong (4-5 x I5-I3) in., acuminate, base rounded, petioles 

 short (2-4 I.); corymbiform cymes long pedunculate from 

 forks of branches, subequaling leaves, axes 3-5-approximated 

 and in fruit divaricate, cymules 3-flowered; calyculate bracts 

 2-4, subulate (£1.), persistent: staminate perianth not seen; 

 the pistillate nearly sessile, oval (2 1.), mouth contracted, ru- 

 dimentary stamens 8-10, ovary globose, style subexsert, stig- 

 ma dilated: anthocarp ellipsoid (3$X2l.), compressed, pu- 

 bescent, pluristriate, constricted below tomentulose limb.— 

 jy. Wiesncri Heimerl, nearly related as described and figured 

 in detail (Botan. Jahrb. xi. 89, t. ii), differs by elliptic-lance- 

 olate leaves dimorphous in the pair, terminal 2-3-choto- 

 mous open glabrous inflorescence, slender elongated pedicels, 

 ovate-tubulous perianth, fimbriate stigma, glabrous terete 

 anthocarp not striate. N. oppositi folia Ruiz et Pav., also 

 related, is distinguished by elongated 5-staminate perianth, 

 etc.— Escuintla," alt. 1,100 ft., Mch. 1890/ J. Eh S.» (Ex 

 Pl.cit. 2,069). 



DALECHAMPIA SCANDENSL., var. trisect*. — Leaves glab- 



rate, elobate and cordate-ovate, or chiefly trisect. with peti- 

 olulate leaflets. — San Juan Mixtan, Dept. Escuintla, alt. 500 

 ft., Apr. 1890, J. D. S., (Ex. PI. cit 2,079.) 



Pirus (§ PSEUDOSTROBUS) Doiinell-Smithii Mast.-— Arbor 

 altitudine mediocris vel humilis; ramulis crass is asperatis; 

 squamis fulcrantibus 10-12 mm. long, subcoriaceis castaneis 

 lanceolatis longe acuminatis margine laciniato-fimbriatis, fim- 

 briis ascendentibus vix intertextis; fasciculi's dense approxi- 

 matis 5-phyllis basi vaginatis, vaginis circa 12 mm. long. 

 e squamis lanceolatis pluribus constantibus, squamis infimis 

 subcoriaceis ad margines integris sursum paulatim increscen- 

 t'bus, squamis mediis ad margines albidis longe fimbriatis. 

 fimbriis horizontaliter divergentibus intertextis fasciculum ob- 

 volventibus, squamis summis hyalinis integris; foliis circa 

 l 3 cm. long. 1 mm. et ultra lat. rigidis triquetri^ ad angulos 

 serrulatis apice subulatis, canalibus resiniferis parvis paucis- 

 simis sub epidermide positis ? vel nullis; stomatibus in utn.que 

 latere per series 6-7 dispositis; amentis masculis phrribu^ ad 

 a Pices ramulorum capitatim-aggregatis, singulis 25-30 mm. 



