422 CLXV. CONIFER/E. 



fertilium opposita v. tematim vei'tieillata, spepius parva crassa, squamiformia. Lamina ovulifera 

 bractepo adnata, primum ea brevior, mox aucta, demutn squamam fere totam efficiens, bracteae 

 apice ad umboneni v. niucronom dorsalom rpditcto. Strobili squamge exeepta Jmiipcro, demum 

 nperta>, p&rsUtentes. ''',■. . 



1. CALLiTitis. Sti'obili squampe 4, 6 v. 8, oiunes _fertiles, ad normaiu 2-seriat9e, sed &peeie 

 l-aeriatje, di^iiuim vaivatim aperta>, dorso iiuda>. — Africa, Madugctsc, Australia, N. Calcd. 



2. AcTixosTROBUs. StrobiU squamee 6 fertiles, ad iiormam 2-beriat8e, &ed specie l-soriataj 

 demimi vaivatim npertse, fcinguluD dorso squamis exterioribus vacuis 2-seriatiia appEesfais 



appendiculata;. — Australia, 



3. FiT/KOYA. Strobili squama; 2-3 fertiles, l-scriatim valvat?e, exterioribus vacuis 1-2- 

 erlntis. Scmina sub squama 2-3, 2-3-alata. — Chits, Tasnianla. 



4. LiuocEDia's. )Strobili f-quamio 2 fertiles, 2 cxtei'iores et intcrdum 2 intimro vacnw. 

 Pemina sub squama 2, superiic alata, samaroidt-a. — Chile, K. ZeL, 2s'. Caled., China, Jajyonia, 

 California. 



5. Thuya. Sirobili ovt.-idei v. oblongi rarius snbylobosi squaniai 2-6 (pariiim 1-3) fertiles, 

 2 rarius 4 cxtciiores et 2 intimse vacuje. Semina sub squama 2-3, rarissimc 5, utriuque alata v, 

 e\a.]ntu. ~Am(r, bar., Asia or. cxtratrop. 



6. CiTRESSUS. Strobili p;Iobosi lignosi squamee 4 v. 6 (parium 2-3) fertiles, 2 rarius 4 este- 

 riores tt interdum 2 intima) vacure. Somiiia sub squama go, anguste 2-alata. — Asia temp., 

 Ev.r. aiisf}\ or., Amer. hor., Mexico. 



7. .TuNiPFRUs. Strobili globosi caniosi dinipiformis v. haceiformis indohiscentis squamse 

 2-6 furtiles. Seruina in strobile 1-6, testa dura, distineta v. in massam globosam cra&sam 

 liguusam eudocarpium simulanteiu conferruminata. — Honif^ph. hor. rcg. extratrof. et mont, 



Trlbus IX. Taxodiese. Amenti $ squamre spiral! ter confertre. Ovula sub squamis 

 fertilibua 2-6, erecta, in generibus 2 post anthesin obliq-ua horizontalia v. subrcversa. Folia 

 spiraliter afRxa quaquaversa v. distiche patentia. Lamina ovulifera bractese adnata, damum ut in 

 Ciip}'cssineis valdc aucta, squamam fere totam efficiens, rarius sub seminc maturo immutata 

 parvaque. 



8. CitYPTOMERiA, Lamina ovulifera adnata apice digitatini 5-fida. 0\'ula 3-6. Strobili 

 squamie ob lobos lamiute ovuliferai et bractearum apices prominentes ecliinata?. — Jopo?iia, Chhm. 



9. TAXODiu.ir. Lamina ovulifera margine integra. Ovula 2. Strobili squamse apice 

 lignosEe, dilatatse, truncatae, dorso vix medio umbonatse v. mucronata?, semina includcntes. — 

 Amer. hor., Mexico, China. 



"10. Sequoia. Lamina ovulifera margine Integra. Ovula 3-6, s;epius 5, post anthesin ssepo 

 horizontalia v. siibteversa, vStrobili sqiiamai apice Hgnosje, in discum crussum dorso medio 

 depresbum vix mucipnatura dilatatse. — California. 



11. Athuotaxis. Omnia Sequoia? nisi squaniarum strobili apex dorso niucrone v. umboue 

 conico instmctus. — Australia. 



12. Cephalotaxus. Lamina ovulifera parva, cum bractea post anthesin vix aucta. 

 Ovida 2. Semina magna, driipiformia, e squamis longe ex^evt^.—jajjonia, China {Asia trap. ?). 



Trlbus III. Taxese. Anieuti $ squaraje irabricata', omnes pra3ter termiualeni vacuae v. 

 pliires fertiles. Lamina ovulifera a bractea libera, sessilis v. longo stipitata, apice perfecte v. 

 imperfecta annularis v. cupulata v. ovulura involvens. Ovulum in lamina v. in quoque lobo laminae 

 1, erectum v. post anthesin obliquum. 



13. Taxtts. Amentum $ l-flonim. Lamina ovulifera primum annularis, mox cupulata, 

 caruosa, demum bacciformis, semen includens at non ei adnata, vertice aperta. Anthera; post 

 anthesin umbraculiformcs, luculis in circulum comv,\ih.~~-Vtri usque orhis hcmlaph. hor. 



14. ToRRKYA. Amentum $ l-floru!ii. Lamina ovulifera primum cupularis, mox ovarium 

 ineludeus, demum semini arete adnata. Albumen iusigniter ruminatnm. Antheraruni ioculi 

 in semicirculum connati. — Amer. hor., Japonia, China hor. 



15. Ginkgo, Amenta $ v. gemmai squamatte l-flor,-p. Lamina ovulifera longe stipitata, 

 npice brevitor 2-GO-fida, lobis in ann\dum seu cupulam brcvem semini adnatam dilatatis. 

 Anthorarum Ioculi 2, penduli. Folia pctiolati, subflabellata, incisa. — China. 



16. PiiYLLOCLADUs, Amenta ? i^arva, cc-fiora. Lamina ovulifera prinuim annularis, mox 

 cnpulata, semini appressa. Antherarum locuH 2, contigui. Hamuli ultimi phyllodinei, 

 coriacei, dilatuti, subflabellati. — Tasmania, N. ZeL, Archipcl. Malay. 



