BLAKE. — SPECIES HERETOFORE REFERRED TO LEPTOSYNE. 345 



the \'oung branches, 1-2-pinnatificl, 1.5-2.5 cm. lono;, ternately cut 

 into short fleshy hnear lobes, on petioles nearly as long; heads cy- 

 mosely arranged in nearly naked panicles, as large as those of last 

 species; achenes 4 mm. long, 2.5 mm. broad. — Acoma dissecta Benth. 

 Bot. Voy. Sulph. 29, t. 17 (1844). Leptosync dissecta Gray, Syn. Fl. 

 i. pt. 2. 301 (1884), as to synonym. L. ixirthenioidcs var. dissecta 

 Wats. Proc. Am. x\cad. xxiv. 56 (1889), as to synonym only. — Ben- 

 tham's type came from Cape San Lucas. The only specimens ex- 

 amined are three sheets from Magdalena Island, Lower California, 

 collected 12 Jan. 1889 by Brandec/ee (see Brandeg. Proc. Calif. Acad, 

 ser. 2. ii. 176 (1889)). 



3/3. C. DissECTUs (Benth.) Blake var. longilobus Blake, n. var., 

 foliis 5-7.5 cm. longis pinnatiformibus, segmentis (3-5) lineari-fili- 

 formibus, lobis inferioribus 2-3 cm. longis 3-5-lobatis; acheniis ut in 

 forma typica sed margine crenulatis. — Lower California: Carmen 

 Island, 1-7 Nov. 1890, Palmer 877 (type sheet in Gray Herb.; dis- 

 tributed as L. dissecta Gray). 



STEPHANOPHOLIS Blake, n. genus Compositarum Coreopsi- 

 dearum {arecjyai'os crown, and </)oXts scale). Capitula heterogama radi- 

 ata, radiis fertilibus. Involucrum duplex squamis liberis, exterioribus 

 5-6 herbaceis obtusis ovato-lanceolatis; interioribus circa 8 submem- 

 branaceis ellipticis atroA'iridil)us apice rotundatis margine angusto 

 scario fimbriatulo exteriores subaequantibus. Receptaculum conicum, 

 paleis planis membranaceis flavis apice rotundatis. Radii corollae ca. 

 12 ligulatae oblongae tridentatae supra albidae infra atroplumbeae 

 glabrae obscure ca. 8-ner\'atae. Disci corollae flavae glabrae exan- 

 nulatae 5-dentatae tubulo l)reve. Antherae basi subintegrae apice 

 appendice deltoideo munitae. Styli rami apice incrassati. Achenia 

 dimorpha: ea radii valde obcompressa ovalia glabra epapposa; disci 

 pauUo crassiora oblonga supra appresse pubescentia, pappo coro- 

 niformi e squamis l)re^■issiInis inaequalibus lacerato-fimbriatis vix 

 junctis ad ang-ulos plus minusve exaggeratis composito. — Herbae 

 perennes scaposae pratincolae radicibus fasciculatis caulibus a foliorum 

 basibus fibrillosis persistentibus lanugine brunnea intermixta vestitis. 

 Folia multa longa Integra ^'el pinnatiformia. Scapi pauci nudi vel 

 1-2-bracteati capitula solitaria majuscula radiis albidis gerentes. 

 Genus habitu pappo clinio conico bene distinguitur. Type species 

 Leptosync pinnata Rob. — One species with a variety, in mountain 

 meadows of southern Mexico. 



