BLAKE. — ENCELIA AND RELATED GENERA. 389 



truncatis 8-15 cm. longis 5.5-15 cm. latis utrobique pilis basi glandulo- 

 sis tectis venas paginae inferioris secundum et supra ubique hirsutis, 

 glandulis inferiore in superficie conspicuoribus quam eis specierum 

 affinium, petiolis immarginatis 2-4.5 cm. longis infra glandulari-hir- 

 sutis supra complanatis pilosis saepe basi subauriculatis ; f oliis summis 

 sensim lanceolatas ad bracteas sessiles reductis; capitulis non paucis 

 cyraoso-paniculatis pedunculis 2-6 cm. longis dense glandulosis et 

 patenti-hirsutis; disco 15-17 mm. alto maturitate 1.5 cm. aetate 

 18-24 mm. diametro; involucri biseriati squamis subaequalibus vel 

 interioribus paullo longioribus oblongo-lanceolatis subobtusis striatis 

 glandulosis et strigoso-hirsutis ; radiis vel nullis vel ca. 10 ovalibus 

 parvis flavis; corollis disci 6.5 mm. longis (tubulo 2 mm.) flavis pube- 

 rulo-glandulosis; paleis 9-12 mm. longis ad apicem glandulosis viridi- 

 carinatis cuspidatis; acheniis 6-7.5 mm. longis 2.4-3.5 mm. latis 

 nigricanti-maculosis appresse aliquid pubescentibus aristis 2 subaequa- 

 libus 4-4.5 mm. longis. 



Specimens examined: Jamaica: vicinity of Kingston, alt. 152 m., 

 29 Jan.-4 Feb. 1900, Clute 2 (cotypes in Gray Herb, and Field Mus. 

 no. 83001 : distributed as " Vcrhesina gigautca Jacq.? ") ; Kings House 

 Grounds, alt. 183 m., 17 Nov. 1897, Harris 6953 (F); Hope Grounds, 

 alt. 198 m., 4 Dec. 1901, Harris 8228 (F); Hope Road, 13 Jan. 1898, 

 Harris 6989 (F); Long Mountain Road, alt. 91 m., 19 Nov. 1907, 

 Harris 10001 (FN). 



B B. Leaves grayish with short tuberculate-based hairs especially beneath; 

 mature heads 1.5-2 cm. broad; achene 7 mm. long; South American. 



14. S. hirsuta (Ktze.) Blake, n. comb. Erect branched annual 

 1-1.5 mm. high, the stem and branches substriate, glandular-puberu- 

 lent and setose; lower leaves ovate, acute, subcordate or cuneate- 

 truncate at base, repand-dentate to subentire, setose along the veins, 

 roughish both sides with short white hairs with swollen bases, some 

 gland-like particularly on the upper surface, 8 cm. long, 5 cm. wide, 

 on puberulent-setose marginless petioles 1 cm. long, the uppermost 

 sessile and lance-oblong; heads rather few, cymose-paniculate, on 

 glandular-puberulent and setose peduncles 2.5-14 cm. long; heads 

 chiefly discoid; involucre 10-13 mm. high, equaling the disk, its scales 

 subequal, 2-rowed, lanceolate-subulate, striate, glandular-pubescent 

 and hispid; disk-corollas 5 mm. long (tube 0.6 mm.), glandular-puber- 

 ulent, yellow; pales 1 cm. long, glandular-puberulent above; achene 

 mottled, appressed-pubescent all over, oblong, obcordate, 6.5-7 mm. 

 long, 2.7-3.6 mm. wide, the upwardly pubescent awns 2.5 mm. long. 



Encclia hirsuta Ktze. Rev. Gen. iii. pt. 2. 145 (1898). 



