64 EQUISETACEAE. 



cati, nieuiLraiKicei, albi, medio nfvofusci, foliola carinis obsoletis/ rami octoni verlicillati, 9" longi. 

 spiciferi, denies plerumquc truiicati, foliola sulco distiucto medio et singulis carinis lateralibns obsoletis. 

 Carinae cauliiiae fasciis ohsolctissimis transversis angustis et parvis umbonibus vcstitae, stomatum se- 

 ries unilineatae, C— 7 cellulis interpositis. 



Hab. Prope Athenas rarissime. Septbr. — Maio: tr. g. orpijanides. 



c Varietates cyVindraceo-infundihuUformes. 



w 



* Caulis nudus vel ramia irregulariter dispositis, non verticillatis. 



3. var. TEPiuissiaiuitt milde. Caespitosum, caulis temiissiraus, scaber, 1' altus, simplex, 6-angu- 

 lus, incanus, vaginae 1^'" longae, }'" amplae, foliola convexa, 4-carinata, sulco carinali praedita, deu- 

 tes plerumquc truhcati, mcmbranncci, albi, medio fusci, lanceolato-subulati; stomatum series plerum- 

 que unilineatae, 4 cellulis interpositis, valleculac rosulis sparsis, intcrdum scnalibus, carinae fasciis 

 umbonatis vestitae. 



ITab. Abi/ssmia: sciitmper n. 438 ^ 1854 in herb, ue canboll. 



4. var. ELEGANS MILDE. Caulis 1' altus, tenuissimus, subsimplex, \"' crassus, 6-angulus, pal- 

 Ude viridis, vaginae 3'" longae, 1'" amplae, foliola convexa sulco medio, carinis lateralibus obsole- 

 tis, dentcs apice truncati, lanccolati, non albo-raarginati, atrofasci, rami bini sub infimis 3 vaginis 

 positi, 1" longi et brcviorcs, stricti, dcntibus persistentibus, lanceolatis, fuscis. Stomatum series 1-li- 

 ncatao 4 cellulis interpositis, rosulae siiigulae juxta stoniata positac, non seriales, carinae fasciis latis 

 umbonatis vestitae. 



Hab. Propc Genevam: rabenhorst, 1841. 



** Caulis ramosus. — Kami tres et complures verticUlati. 



h. var. HDMILE MILDE. CauHs 9 — 10" altus, 9 — -lO-angulus, viridis, scaber, basi ramosus, vagi- 

 nae superiore parte dimidia spliacelatac, albae, fascia nigra supra basin vestitae, foliola 4-carinata, sulco 

 medio praedita, denies decidui, basin 3-angularem relinquentes, vel lanceolato-subulati, albidi, mem- 

 branacei, medio nigri, rami bini-tcrni in infimo eaule, 3" loiigi, patentes, stomatum scries unilinea- 

 tae, rarius liic illic Slineatae, carinae fasciis latis umbonatis, valleculae fasciis angustis longis vestitae. 



Hab. In litore „Lido' dicto prope Venetias: Baronessa jena. 



C. var. KAMOSissiML'3i MILDE. Synmi. E. ramomsimum i>esf. F/ora a/la/illl. p. ^98 ; ann. Vlll 

 (1800); teste specim. origin, herbarii de candoll. Caulis 2 — 4 pedes altus et altior, viridis, sca- 

 briusculus, 14 — 20-angulus, superne nudus, inferne dense verticillatus, vaginae 8 — 10'" longae, 3'" 

 latae, rufae, margine angusto nigro, foliola subplana, inferne angulata^ superne 4-carinata, dentes 

 nulli vel albi, sphacclati, basin triangularoin relinquentes, rami patcntcs, 9" longi et longiores, 7 — 9- 

 anguli, steriles et spiciferi, stomatum series unilineatae, rarius hie illic bilineatae, 10 — 11 cellulis 

 interpositis, carinae fasciis longis transversis angustis, fere obsoletis et umbonibus parvis, valleculae 

 nullis vestitae. — Haec varietas egregia vaginis longissimis, coloratis, ramis dense verticillatis, et 

 carinarum fasciis angustis eximia est. 



Hab. in Earopa meridionali et in Africa boreali. — Prope Meran et Boze9i: milde; Misox in Grau- 

 bnndten: moritzi; Italia superior: fontanes; Corsica: herhar. p^E; Sardinia: thomas 1828; in 

 collibus aridis inter Agavera anierie. et Cactum Opunt. prope Brmdisiiim; 8—12' altus: rabkn- 

 HORST, 1847; Flora lusitanica, n. 154. Provide. Transta(/arta 1848.: leg. welwitsch {herb, de 

 cand.). kotschy. iter St/riac. n. 1017. Prope Eeirut in umbrosis Alni orientalis 15 Mai c. fr. 

 matur.; kralik. Plmitae Tuneianae n, 369. In sepibus humidis ad radices Djebel Zar/houan. 

 Aug. 1854 (ramis 9-angulis!); ad radices montis Zoican ^ijud luneta?ies; despontaines. 



Hue autem non pertinent: 

 1. E. ramosissimum (ciirist. smith) l. v. buch Allyemcine Uehersickt der Flora auf den Cannri- 

 schen Insehf, 1819; (E. incanum vaijcher Monogr. d. Preles), quod E. clongatum var. incanum 

 milde est, test, specim. origin, herbar. de candollei. 



