CI. strepsilis. 405 



Cladouia polybotrya Nyl., Fl. 1887 p. 130 (seciind. specim. orig.). — 

 Zw., Lich. Exs. (1887;) n. 1000 A, B. — Arn., Lich. Exs. (1887) n. 1252. — 

 Rehm, Clad. Exs. (1887) n. 337, (1892) n. 420, 421. — Zw., Rev. Clad. (1888) 

 p. 1. — Saudstede, Beitr. Lich. Nordw. Deutsch. Tiefl. (1889) p. '145. -- Stein, 

 Xachtr. Flecht. Schles. (1889) p. 143. — Minks, Bericht. Deutsch. Bot. Ge- 

 sellsch. (1890) p. 198. — Krabbe, Entw. Clad. (1891) p. 111. — Sandstede, Beitr. 

 Lich. Nordwestdeutsch. I Nachtr. (1892) p. 218. — Kieffer, E^lecht. Lothr. 



(1894) p. 104. 



Cladonia caespititia var. strepsilis Kieffer, Flecht. Lothr. (1894) p. 105 



(secund. specim. orig.). 



Exs. Mucld, Mon. Brit. Clad. (1865) n. 4 (mus. Brit.). — 

 Norrl. et Nyl., Herb. Lich. Fenn. (1882) n. 428. — Behm, Clad. 

 Exs. (1883) n. 196, (1887) n. 337, (1892) n. 420, 421. — Zw., Lich. 

 Exs. (1887) n. 1000 A, B. — Arn., Lich. Exs. (1878) n. 784, (1887) 

 n. 1252, 1252 b, (1892) n. 1544 (mus. Fenn.). 



A me hand examinata: Schaer., Lich. Helv. Exs. (1836) n. 

 269. — Malbr., Cat. Lich. Norm. n. 355 (? teste Malbr., Suppl. 

 Cat. Lich. Norm. 1881 p. 11). — Rehm, Clad. Exs. n. 104. 



Descr. Hypothallus basi thalli primarii affixus, nigricans, 

 axem brevem teniiemque, inferne ramosum formans, saepe demum 

 evanescens. Thallus primarius persistens aut subpersistens 

 aut demum evanescens et squamis novis hypothallo affixis reno- 

 vatus, constans e squamis majuscuUs mediocribusve aut partim 

 minutis partim magnis, circiter 2— 20 milhm. longis, circiter 0,2oo 

 —0,4 5 millim. crassis, irregulariter vel partim subdichotome laci- 

 niatis, planiuscuKs aut concaviusculis aut leviter involutis, adscen- 

 dentibus, aggregatis aut caespitoso-confertis caespitesque majores 

 minoresve formantibus, sat fragilibus, superne glaucescentibus aut 

 olivaceo- vel paliido-glaucescentibus, subtus intusque albis aut 

 albido-subsulfureis aut subtus sordide albidis, semper esorediosis, 

 hydrate kalico superne levissime lutescentibus aut baud reagenti- 

 bus, inferne distincte lutescentibus aut baud reagentibus, hypo- 

 chlorite calcico superne inferneque aeruginosis, colore autem mox 

 evanescente, his reagentiis unitis superne praesertimque inferno 

 intense pulchre aeruginosis coloreque diutius persistente, interdum 

 apice sat diu accrescentibus et basi emorientibus, laciniis partim 

 sinuoso-sublinearibus, circiter 0,8 (0,5—3,5) millim. latis. Stra- 

 tum corticale thalli primarii circiter 0,040-0,iio millim. eras- 



