﻿434 DICOTYL. sed EXOGENvE. amhhotaxis. 



Zucc. in Sieb. Fl. Jap. 2. p. 9. Arthrotaxis imbrioata Maule ex Gord. Arthro- 

 taxis selaginoides hort. r ahq. Arbdr 25-30 (Gunn), 20-45 pedes (Archer) alta. 

 Rami teretes ascendentes; ramuli patuli erective, subdistishi, confftrti, lon- 

 giusculi. Amenta mascula basi foliis plurlbus oblongis obtusis concavis im- 

 brieatis eincta, 4-5 mill. longa, 2^ mill. fere lata, in sicco e luteo-fusces- 

 fcentia. Strobili 8-10 mill. tongi et fere lati. Nuculae parvae-, compressae, 

 fuscescentes, 2 mill. vix longae et latae, basi subtruncatae, apice dbtusae, 

 suhrotumdatae. (v. v. herbam, sed flores et strobilos s.) 



2. A. Laxifolu (Hodk.! Icon. tab. 573), arbdr monoica? ramosissima, ramulis 

 erectis longiusculis tenuibus, foiiis spiraliter dispositis laxe imbricatis cstrno- 

 sulis adnatis superne liberis erecto-incurvatis ovato-vel oblongo-lanceolatis 



acutis dorso convexo-carinatis, amentis masculis.._. , strobilis globoso- 



ovatis, squamis in axi spiraliter insertis imbricatis coriaceo-lignosis ovatis 

 acutis basi anguslatis et stipitatis, bracte.ae apice libero "lepidium, crassum 

 adnatum superante, niiculis sub>-4 sublinearibus compressis cum alis spori- 

 giosis nuculae latitudinem subdupio superantibus late ovato-ovalibus obtusis. 

 ,5 In Tasmannia ad cataractas Meandris alior^umque fluviorum prope verticem 

 Montjum occidentalium ad 4000 ped. circiter elevationem (Gunn! n. 369! 

 Archer!). Arthrotaxis laxifdlia Hook. fil.l inLond. Journ. of Bot. 4. p. 149, et 

 Fl. pifTasm. p. 35;4; Eiadl. Conif. p. 196; Carr. Conif. p. 162; Gord. Pin. p. 30, 

 et Sttppl. p. 16. Arthrotaxis Doniana Park. Maule ex Gord.; Henk. et Hochst. 

 Nadelhdlz. p. 221. Species in plaritis vivis melius illustranda. Arbuscula 

 25-30 ped. alta (Areher). Arthrotaxi cupressoidi similis. Ramuli tenues, erecti, 

 subdichotomi, a fpliis^undique tecti. Folia m ramis lorigiora, magis decur- 

 fentia et laxius imbricata, 8-10 mill. longa, 3-1-4 mill. lata, in ramulis 5-6 

 mill. longa. 2-2^- miH. Iata. Strobili fusci, 16-18~mill. longi 15-16 mill. lati. 

 Squamas suM5, bractea lepidio vix angustior sed longior. Nuculae 5-5^- mill. 

 longse, 4-4| mill. latae, alis spongiosis, rugosis. (v. s.) 



3. A. -selaginoides (Don in Liin. Trans. 18. p. 172. tab. 14), arbor monoica 

 ramosissima, ramulis erecto-patufis erectisve breviusculis crassis, foliis spi- 

 raliter dispasitis laxiuscuie imbricatis carnosuHs basi tantum adnatis reliqua 

 parte liberis erecto-incurvatis lanceolato-acuminatis, dorso convexp-carinatis, 

 iacie planjs, marginihus acutiusculis, amentis masculis in ramulo breviusculo 

 erectis ovatis obtusiusculis basi foliis janceolato-acuminatis cinctis, bfacteis 

 in axi spiraliter insertis imbricatis obiohgis acutiusculis subintegris, stro- 

 bilis in ramalo breviusoulo ereetis globosq-ovatls , squamis in axi spiraliter 

 insertis imbricatis coriaceo-lignosis ovatis acuminatis basi angustatis et sti- 

 pitatis, bracteae parte superiore libera lepidium crassum adnatum multB 

 superante, nnculis. 3-2 ohlongo-linearibus compressis cum alis nuculaa tati- 

 tudinem superantibus quadrato-orbicularibus , apice subemarginatis, s Ad 

 qataractas Mpandri ad 400D ped. elevat, in rupibus basalticis, liec non.ad 

 rivulos montium occidentaKiim Tasmanniae (Gunn n. 368!), ad ripas fluvio- 

 rum regionis borealis, Macquarie' River, etc. (Milligan ! n. 774) — Hook. ! 

 Icon. t. 574^ Endl.! Conif. p. 194; Hook. fil. in Lond. Journ. of Bot, 4. 

 p. 148; Flor. of Tasman. p. 354; Carr. Conif. p. 159.; Gord. Pin. p. 31 ; 

 Henk. et Hocbst. Nadelholz. p. 220. Cunningbamia selaginoides Zucc. . in 

 Sielp. Fl. Jap. 2. p. 9in adn. A. alpina Van Houtt. Arbuscula 10-20 pedes 

 (Guan) vel arbqr 45 pedes (Archer) alta, cortice • suberoso rimosQ. . Folia laete 

 viridia (Gunn), 8-.12 mill. basi non suppijtata longa, 2^-3 mill. vix lata. 

 Amerita mascula 4-5 mill. longa 2-^-3 mill. fere lata, in sicco luteo-fusca. 

 Strobili fusci, 20-22 mill. longi et fere lati, ljnde majores quam in Arthr. 

 cupressoide. Nuculae 3-3^ mill. longae et latae, fuscae.^ala dilutiores. (v. s.) 



Species dubia. 



A. Gunneana Hook. ? in Carr. Conif. edit. 2. p. 207. 



Species exclusse. 



A. ABADCA.HIOIDES Brongn. = Dacrydium araucarioides Brongn. et Gris. 

 A. tetragona Hbok. =; Microcachrys tetragoria Hook. fil. et Pherosphaera 

 Hookeriana Arch. ex parte. 



