thyoides. occidentalis. communis. erecta. depressa. sissippi. . May. v. v. The Bald or Deciduous Cypress is one of the largest trees of the New Continent. The extensive use made of its wood, and other particulars respecting this interesting tree, are fully elucidated in the excellent work of the younger Michaux, who paid particular attention to the use and properties of the different American forest trees. 2. C. ramulis compressis, foliis quadrifariam imbricatis Icon. Mich. arb. 3. p. 20. t. 2. Wangh, amer. t. 2. f. 4. In deep swamps: New England to Carolina. . April, southern States. 709. THUYA. Gen. pl. 1457. 1. T. ramulis ancipitibus, foliis quadrifariam imbricatis ovato-rhombeis adpressis nudis tuberculatis, strobilis obovatis, squamis interioribus truncatis, infra apicem gib. bosis. Willd. sp. pl. 4. p. 508. Icon. Mich. arb. 3. p. 29. t. 3. Wangh. amer. t. 2. f. 3. From Canada to the mountains of Virginia and Carolina. h. May. v. v. The American Arbor Vitae is rather scarce in the southern States, and only found on the steep banks of mountain torrents. The branches are extremely tough. 710. JUNIPERUS. Gen. pl. 1552. 1. J. foliis ternis patentibus mucronatis bacca longioribus. Willd. sp. pl. 4. p. 853. a. J. ramis erectis. B. J. ramis depressis. a. About rocks, near the falls of rivers, in Canada and root will cover sometimes a space of from fifteen to 2. J. foliis ternis basi adnatis, junioribus imbricatis, senio- virginiana. ribus patulis. Willd. sp. pl. 4. p. 863. Icon. Mich. arb. 3. p. 42. t. 5. Wangh. amer. t. 2. f. 51. 3. J. foliis oppositis obtusis medio glandulosis, quadrifariam In the clefts of rocks: Canada. Michaux. B. Within 4.J. foliis oppositis obtusiusculis, medio glandulosis, qua- J. Sabina varietas. Pall. ross. 2. p. 15. Sabina. procumbens. excelsa. 5. J. foliis omnibus quadrifariam imbricatis, junioribus ova- barbadensis. tis, senioribus acutis. Willd. sp. pl. 4. p. 851. Icon. Pluk. alm. t. 197. f. 4. On the coast of Florida. Michaux. h. v. v. in Hortis. 711. TAXUS. Gen. pl. 1553. 1. T. foliis linearibus distichis margine revolutis, receptacu- canadensis. lis masculis globosis. Willd. sp. pl. 4. p. 856. T. baccata minor. Mich. fl. amer. 2. p. 245. In shady, rocky places: Canada. Michaux. On the banks of the Antietum, Maryland. Ph. March, April. v. v. The plants I observed on the Antietum integrifolia. 712. ZAMIA. Gen. pl. 1700. 1. Z. frondibus pinnatis, foliolis lanceolatis rotundato-obtusis basi attenuatis latere exteriore ad apicem serrulatis, stipite glabro subtetragono. Willd. sp. pl. 4. p. 847. Z. pumila. Sp. pl. 1659. excl. synon. Icon. Jacq. ic. 3. t. 635. In East Florida. h. +. This species of palm is only found in Florida, as I have made all inquiries to find it in Georgia, but without success. ร XX. CRYPTOGAMIA. 1. GONOPTERIDES. 713. EQUISETUM. Recept. peltata, pentagona, spicata. Indusium corniculatum. Stam. 4. Styl. O. Sem. 1. II. STACHYOPTERIDES. 714. LYCOPODIUM. Capsule reniformes, 1-loculares, 2-valves, polysperma. Sem. minutissima, pulve riformia. 715. BERNHARDIA. Capsule 3-coccæ, 3-loculares; loculis superne dehiscentibus, semibivalvibus. 716. OPHIOGLOSSUM. Capsule nude, uniloculares, in spicam articulatam disticham connatæ, 2-valves, transverse dehiscentes. 717. BOTRYCHIUM. Capsule subglobosa, rachi adunatæ in racemum compositum dispositæ, 1-loculares: valvulis binis postice connexis transverse dehiscentibus. III. SCHISMATOPTERIDES. 718. HYDROGLOSSUM. Spice unilaterales. Capsule biseriales, latere interiore a basi ad verticem debis centes. Indusium squamiforme quamlibet capsulam obtegens. 719. SCHIZÆA. Spice unilaterales, flabellatæ, aggregatæ. Capsule vertice radiatim striatæ, subturbinatæ, poro oblongo latere hiantes. Indusium continuum e margine inflexo spicæ formatum. 720. OSMUNDA. Capsule subglobosa, pedicellatæ striatæ, semibivalves, paniculatæ. Indusium nullum. IV. FILICES. 721. ACROSTICHUM. Capsulæ sparse, discum totum inferiorem frondis vel ejus partem occupantes. In dusium nullum. 722. POLYPODIUM. Sori subrotundi, sparsi. Indusia nulla. 723. WOODSIA. Sori subrotundi, sparsi. Indusium calyciforme, apertum, margine crinitum, includens Capsulas pedicellatas. 724. ASPIDIUM. Sori subrotundi, sparsi. Indusium umbilicatum vel uno latere dehiscens. 725. ONOCLEA. Capsulæ partem frondis inferiorem dense tegentes. Indusia squamiformia, in formam baccæ connata non dehiscentia. 726. STRUTHIOPTERIS. Capsulæ partem frondis inferiorem dense tegentes. Indusia squamiformia, marginalia, interius dehiscentia. 727. ASPLENIUM. Sori lineares, transversales, sparsi. Indusia e venis lateralibus orta, costam versus dehiscentia. 728. SCOLOPENDRIUM. Sori lineares, transversales, sparsi. Indusium duplex, ad utrumque latus sori situm. 729. PTERIS. Sori continui, lineares, marginales. Indusium e margine froudis, inflexum, interius dehiscens. 730. VITTARIA. Sori lineares, longitudinales, continui vel in margine vel in disco frondis. Indusium duplex, ad utrumque latus sori. 731. BLECHNUM. Sori lineares, longitudinales, continui, ad utrumque latus costa frondis. Indusium superficiarium, interius dehiscens. 732. WOODWARDIA. Sori oblongi, distincti, recti, ad utrumque latus costa frondis. Indusia superficiaria, fornicata, interius dehiscentia. 733. ADIANTUM. Sori oblongi vel subrotundi, Indusiis membranaceis, e margine ortis, interius dehiscentibus inserti. 734. CHEILANTHES. Sori punctiformes, discreti, marginales, tecti Indusio squamiformi marginali interius debiscente. 735. DICKSONIA. Sori punctiformes, marginales, subrotundi, distincti. Indusium duplex, alternum superficiarium, exterius dehiscens, alterum marginale interius dehiscens. |