Wt/K^dy Vol. 59, pp. 47-48 March 11, 1S46 PROCEEDINGS OF THK BIOLOGICAL SOCIETY OF WASHINGTON A NEW CHAETOPAPPA FROM THE GUADALUPE MOUNTAINS OF NEW MEXICO AND TEXAS. BY S. F. BLAKE. The following new species of Chaetopappa (Asteraceae, tribe Asteroideae) is published here in order that the name may be available for use in a revision of this genus in prepara-tion by Dr. L. H. Shinners. Chaetopappa hersheyi Blake, sp. nov. Perennis caespitosa uncialis; caules paucifoliati monocephali simplices hirsutuli pilis erectis vel erectiusculis; folia inferiora anguste spathulata obtusa setoso-apiculata in basem petioliformem angustata Integra sub-coriacea laete viridia 1-nervia sparse hispidula vel glabra 3.5-6 mm. longa, 0.7-1 mm. lata, caulina linearia vel inferiora lineari-spathulata acuta setoso-apiculata sessilia 1-nervia sparse hispidula 5-8 mm. longa 0.3-0.5 mm. lata, supremis pauUum reductis; pedunculus 1-5 mm. longus; capitulum ca. 12 mm. latum; discus (madefactus) 6 mm. altus 2.5 mm. diam.; flores fem. 10, hermaph. 6; involucri oblongo-cylindrici 4-4.5 mm. alti ca. 4-seriati non conspicue gradati phyllaria ca. 12 lineari-lanceolata acuminata laxe setoso-apiculata subsicca purpurascentia linea centrali viridescenti margine angusto albo scarioso supra plusmi-nusve lacerato-ciliato 1-nervia glabra v. dorso sparsissime hispidula; receptaculum nudum planiusculum; coroUae fior. fem. "bluish, fading to white with age," sicco pulchre purpurascentes, tubo glabro ca. 2.5 mm. longo, lamina elliptica 3-dentata 4-nervia 5 mm. longa 2 mm. lata; corollae disci fiavidae glabrae 4-4.3 mm. longae (tubo 0.5-0.7 mm., fauce anguste obconica 2.8-3 mm., dentibus 5 oblongo-ovatis apice papillosis 0.7 mm. longis); achenia radii submatura lineari-oblonga 3-nervia erecto-hirsuta pilis 1-locularibus 1.3 mm. longa, ea disci cylindrico-oblonga 0.8-1 mm. longa 5-nervia erecto-hirsuta; pappus e setis 4-5 (6) hispidulis persistentibus 3.8-4.2 mm. longis et squamellis totidem minutis truncatis denticulatis ca. 0.1 mm. longis compositus; flores disci verosim. infertiles, ramis styli 0.8 mm. longis, lineis stigmaticis non valde distinctis 0.3 mm. longis appendicibus triangularibus acuminatis hispidulis 0.5 mm. longis. 9— Pboo. Biol. Soc. Wash., Vol. 59, 1946. ^^.--^ :::^r~ '""*'■ X*?K^ 3-1246 *-!':
BioStor
