196 PROCEEDINGS OF THE AMERICAN ACADEMY. 
squamis oblongis obtusiusculis ca. 6 mm. longis, exterioribus dorso 
puberulis ; corollae tubo cylindrico curvato glabro 3 mm. longo, fauci- 
bus nullis, limbi dentibus 5 oblongo-linearibus patentibus 1.8 mm. 
longis obtusiusculis ; achaeniis glabris 5-costato-angulatis deorsum 
attenuatis 3.6 mm. longis; pappi setis ca. 50 rufis 4.5 mm. longis 
laevibus. — Bushy places, La Palma, Costa Rica, September, 1898, 
altitude 1459 m., Ad. Tonduz, no. 12,583 (type, in U. 8. Nat. Mus., 
fragm. in Gray Herb.). A species well marked by the conspicuously 
crested stipular appendages. 
Mikania hexagona sp. nov., fruticosa robusta scandens; caulibus 
lignosis tortis acute et subalato- hexagonis atrobrunneis cavis 1 cm. 
diametro, internodiis longissimis (3 dm. et ultra); ramis oppositis 
alato-hexagonis praecipue in angulis tomentellis ; foliis late ovatis 
acuminatis integris 1 dm. longis 7 cm. latis basi rotundatis in petiolum 
2.5 em. longum plus minusve cuneatum decurrentibus paulo supra 
basin 7-nervatis utrinque scabro-puberulis viridibus infra paulo pallidi- 
doribus, superioribus et floralibus multo minoribus subsessilibus ; inflor- 
escentiis composite corymbosis ca. 2 dm. diametro densiusculis ; brac- 
teis herbaceis ovato-lanceolatis acuminatis tenuibus, ultimis involueri 
squamas saepe aequantibus dorso obscure puberlis ; pedicellis gracilibus 
3-5 mm. longis ; involucri squamis anguste lanceolato-oblongis acumi- 
natis tenuibus pallide viridibus glabriusculis ; corollis 5 mm. longis 
glabris, tubo proprio 2.5 mm. longo gracili firmiusculo, faucibus bene dis- 
tinctis campanulatis vix 1 mm. altis, dentibus limbi oblongis crispis ¢@- 
2mm. longis saepe conniventibus ; achaeniis 5-angulatis ca. 4 mm. longis | 
deorsum decrescentibus ; pappi setis ca, 70 ca. 5 mm. longis rufescen- 
tibus; styli ramis filiformibus nec clavellatis 4 mm. longis. — Near 
Tovar, Venezuela, 1854-55, altitude 1700 m., A. Fendler, no. 626 
(type, in Gray Herb.). A species seemingly well marked by its very 
robust seers stem with acute narrowly wing-margined angles. 
Mikania leucophylla (Rusby), comb. nov. Willoughbya leuco- 
phylla hey Bull. N. Y. Bot. Gard. iv. 382 (1907). 
Mikania longifiora (Rusby), comb. nov. Willoughbya longiflora 
Rusby, Bull. N. Y. Bot. Gard. iv. 382 (1907 > 
Mikayta myricazronia (Bojer) DC. Prod. v. 188 (1836). Trias 
myricaefolia Bojer in litt. ex DC. 1. c. Examination of the type of 
this plant of Madagascar, kindly permitted by Mr. Casimir de Candolle, 
showed that it has alternate thickish leaves narrowed at the base t0 
short but slender petioles, heads (all in bud) nearly cylindrical, in 
_ tucral scales 6 to 7, and florets 10 to 11. Although from the very 
immature heads it is impossible to ascertain satisfactorily the style 
or other details regarding the florets, it is nevertheless ce 
25 
sete pl ase 
EN Pee ae es Me Ce TEN oe Tt en a em Re 
