22 ROBINSON 
1.4 dm. longa et 1.2 dm. crassa fulvescenti-puberula; ramis ultimis 
2-5 cm. longis; capitulis racemose dispositis; racemis basi saepe plus 
minusve irregulariter ramosis; pedicellis filiformibus 2-2.5 mm. 
longis, bracteolis 1.4-1.7 mm. longis linearibus; involucri squamis 
linearibus 4.5-5 mm. longis acutiusculis apice obscure puberulo ex- 
cepto glaberrimis; corollis 3 mm. longis glabris, tubo proprio 1.5 
mm. longo gracili, faucibus infundibuliformibus ca. 1 mm. longis, 
limbi dentibus ovato-deltoideis 0.5 mm. longis; achaeniis 2-2.2 
mm. longis nigris apicem versus paullulo granulatis vel omnino gla- 
berrimis; pappi setis ca. 30 albidis vix sursum incrassatis.—PERU: 
in the mountains along the River Mayo near Tarapoto, July-Aug., 
1850, R. Spruce, no. 4822 (Gr.). 
M. (§ Paniculatae) trachodes, spec. nov., robusta fruticosa 
volubilis; caulibus teretibus post exsiccationem  striato-costulatis 
medullosis 5 mm. vel ultra diametro flavescenti-brunneis strigilloso- 
papillosis scaberrimis; internodiis 12 cm. vel ultra longitudine; 
ramis teretibus subadpresse villosis vel setulosis; foliis late ovatis 
acuminatis remote calloso-denticulatis (dentibus vix 0.5 mm. altis 
inter se ca. 1 em. distantibus) basi rotundatis haud quaquam in petio- 
lum decurrentibus 13-15 em. longis ca. 8 cm. latis chartaceo-subeor- 
jaceis pinnativeniis supra adpresse in venis fulvo-puberulis subtus 
patenter villosis in venis venulisque reticulatis; petiolis subteretibus 
flavido-tomentosis ca. 1.5 em. longis flexuosis eis ejusdem jugi ab- 
annulo vel plicatura crassa papilloso-tomentosa conjunctis; pani- 
cula maxima 4 dm. vel ultra longitudine decomposita subdensa villo- 
so-setulosa; pedicellis gracilibus inaequalibus; bracteolis lanceolatis 
tenuibus acutis dorso villosulis e summa parte pedicelli orientibus 
involucro dimidio brevioribus; involucri squamis lanceolati-linear- 
ibus vel anguste oblongis acutiusculis brunneo-stramineis dorso 
paullo villosis 4 mm. longis; corollis albidis ca. 3.8 mm. longis extus 
aliquid villosulis praesertim ad basin faucium et in dentibus; tubo 
proprio ca. 1.2 mm. longo; faucibus 1.6 mm. longis; dentibus limbi 
ca. 1 mm. longis; achaeniis olivaceis lucidis 2 mm. longis; paPP! 
setis ca. 40 sordido-albidis paullulo sub apicem acuto incrassatis.—~ 
Peru: in bushy places on mountains southwest of Monzon, Dept. 
Huamalies, alt. 2500-2900 m., Dr. A. Weberbauer, no. 3395 (Berl., 
phot. and fragm. Gr.). : 
M. (§ Spiciformes) vitrea, spec. nov., ubique inflorescentia puber- 
ula excepta glaberrima robusta volubilis; eaule brunneo usque 
7 mm. vel ultra crasso maturitate fistuloso; internodiis 12 cm. vel 
ultra longis; foliis late ovatis subito caudato-acuminatis integris vel 



