46 G Ign. Urbän: 



tissime pilosulis, nervo medio snpra tenuiter promimüo, latcralibus 2 siipra 

 basin abcuntibus longitrorsis et pcrpaueis aliis superioribns ante mai-gineni 

 inter sese conjnnctis, caetenim non v. vix anastomosantibus, punctis glan- 

 dulosis interdum snbpellucidis. Pedunculi laterales usriue 1,5 cm. longi; 

 bracteae inferiores eupliyllis similes, sed minores, supremae lineares, flores 

 suifulcientes 0,5 — 1 mm, longae. Capitula in ramulis extremis 2 — phira 

 sessilia v. subsessilia, serialia (suijerposita) solitaria; sqnamae involucri ex- 

 teriores anguste lanceolatae, anteriores oblongo-lanceolatae et membranaceo- 

 marginatae, omnes dorso brevissime pilosulae, non v. vix striatae. Paitpi 

 setae 28 — 32, uniseriatae liberac manifeste spinuligerao, ad apicem paullo 

 incrassatae, achaeninm dimidio snperantes, in sicco albido - nibentes. CoroUa 

 alba, 3 — 3,5 mm. longa, in ^/j inferiore lineari-cylindracea, dein snbcam- 

 panulato-dilatata, glabra, glandulis parcissimis adspersa; lobi triangnlari- 

 ovati, parum recurvati, tubo ca. 5-plo breviores. Stamina tubo snpra 

 medium inserta; antherae basi truncatae, apice ligulatae. Styli rami elon- 

 gati, partem integram subaeqnantes. Achaenia 2 mm. longa, 5-costata, 

 nigrescentia. 



Hab. in Portorico in sylvis primaevis et declivibus iimbrosis 

 prope Bayamon, Utuado ad Sta. Isabel, Maricao in monte Alegrillo, 

 Laras ad Buenos Aires et ad Espino, Camuy ad Cacao, m, Jan. — Mart. 

 flor.: Sintenis n. 233, 6000, 6013, 6066, 6144, Stahl n. 381. 



Porophylluin macrocephalum DC. var. leiocarpum Urb. (n. var.) 

 annuum foetidum, foliis breviter ovalibus, obovatis v. orbiculari-obovatis, 

 basi in petiolos tenues subaequilongos contractis apice rotundatis, 1 — 3 cm. 

 longis, 0,7 — 2,5 cm. latis, margine crenas 1 — 2 gerentibus v. subintegris, 

 sub crenis et ad apicem glandulis amplis pellucidis notatis, membrana- 

 ceis; pedimculo superne sensim paullo incrassato; involucri squamis 5 

 ca. 2 cm. longis, apice obtusis, longitrorsum glanduloso-striatis; capi- 

 tulis 26 — 45-floris; pappi setis pallide ferrugineis; achaeniis 10 mm. 

 longis glaberrimis, quam pappus dimidio longioribus. 



Yerba de peo v. yerba de cabro Fort, ex Sint. 



Herba odorem Biforae exhalans (ex Sint.), glabra, radico ramosa, caule 

 ramisqne glaberrimis violaeeo-pruinosis, teretibns plus minus striatis, gem- 

 niis V. ramulis serialibus sub ramo jirimario hinc illinc obviis. Folia oppo- 

 sita V. subalterna, petiolis 10 — -20 mm. longis violaceis, basi obtusa v. ro- 

 tundata, tenuiter pinnatinervia, glandulis plerumquo oblongis. Capitula in 

 ramis ramulisque teiminalia; involucri S(piamae lanceolato- lineares, callis glan- 

 dulosis violaceis. Pappi setae 70 — 80, biseriatac minute spinulosae, ca. 

 8 mm. longae. Corollae 11 — 12 mm. longae; tubus filiformis, apice campa- 

 nulato-dilatatus; lobi anguste lanceolati quam limbus ampliatus dimidio longiores. 

 Filamenta sub limbo corollae dilatato inserta, antheris aequilonga. Stylus 

 superne bifidus, ramis filiformibus, ad apicem papilloso-pilosus. Achaenia 

 nigra, filiformia utrinque paullo attenuata, basi callo satis amplo aucta. 



Hab. in Portorico prope Aybonito in praeruptis ad Coamo versus, 

 prope Ponce in montibus calcareis ad Pefion, prope Pefiuelas, prope 

 Adjuntas in declivibus ad Saltillo, prope («uanica in rupibus montis 



