Proceedings of the American Academy of Arts and Sciences Volume 9 - Softcover

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1874 Excerpt: ...sordidae, aut nuds: achenia nee apice parutn basi attenuata: involucrum imbricatum, squamis exterioribus gradatim brevioribus. Biennes, radice fusiformi.--Scorzonella Nutt. Calais § Scorzonella & Anacalais Gray, in Bot. Whipp. Scorzonella Benth. & Hook. Gen. Pl. 2, p. 533. Achenia gracilia Ptilophora: pappus subplumosus vel barbellatus. (§ Ana calais Gray.) 8. M. Sylvatica. Scorzonella sylvatica Benth. Pl. Hartw. Calais (Anacalais) tylvatica Gray, in Bot. Whipp. 1. c. Var. Stillmani: squamis involucri e basi angustiore sursum sensim attenuatis; pappi ariatis (quandoque) minus barbellatis.--Calais sylvatica, forma, Gray in Bot. Whipp. 1. c. Achenia parum breviora, nunc 4-5-angulata, nunc teretia gracilia: aristae pappi tenuiter denticulatae vel scabrae.-Involucri squamae longius acuminatae: pappus e paleis 8-10 pnrvis arista pnelonga capillari superatis: ligulae elongatae. Caulescentes vel subcaulescentes. Glyptopleuba Eaton. To the characters of this curious little genus, as made known by Eaton and by Bentham, may here be added 4. M. Laciniata. Hymenonema t laciniatum Hook. Scorzonella laciniata Nutt. Calais (Scorzonella) laciniata Gray, l. a, cum Var. Frocera. Calais Scorzonella) glauca, procera Gray, Proc. Am. Acad. 7, p. 364. llymenonema t glaucum Hook., forma minor. 5. M. Leptosepala. Scorzonella leptosepala Nutt. Calais Bolanderi Gray Proc. Am. Acad. 7, p. 365. Calais laciniata Gray, l. c. 8, p. 392; pi. coll. Hall, 813.--The narrower and gradually tapering scales of the involucre, as well as the smaller and mostly fewer-flowered heads, appear well to distinguish this species, which was indicated by Nuttall.-. Involucri squamae omnes obtusiusculee: pappus e paleis 5 bifldis arista e sinu exserente dimidio triplove brerioribus constans...