Uredinacege, Hyalopsora. 599 



V. subglobosis, aculeis validis usque ad 2 ;j.. longis, densiusGule obsi- 

 tis, 20-28 ^ 18-25, membrana hyalina 1,5-2 |j-. cr. ; teleutosporis 

 angulato-globosis v. triangularibus, hyalinis, levibus, sine proces- 

 sibus, 18-24 ^ 14-20. 



Hab. in foliis Clerodendri spec. divers. Africa trop. — Ha- 

 bitus Hemil. helvolce Syd. 



4. Hemileja Oncidii Griff. et Maubl. Bull. Soc. Myc. Fr. XXV (1909] 2327 

 p. 138 cum tab. VI. — Maculis indeterminatis, primum vix vi- 

 sibilibus, dein luteolis, pulvere aurantiaco ad paginam inferiorem 

 tectis, tandem brunneis; uredosoris hypophyllis, numerosis, pul- 

 verulentis, aurantiacis, minutis 50-100 [x. diam.; hyphis fertilibus 

 fasciculatis, ex ostiolo stomatum exeuntibus, ramosis, 25-30 "j.. long., 

 apice clavatis; uredosporis globosis, aculeatis, intus guttulis auran- 

 tiacis repletis^ tunica hyalina, 16-18 [x. ; teleutosoris in centro ma- 

 cularum nascentibus, pallide brunneis ; teleutosporis subglobosis v. 

 fusiformibus, primum hyalinis, aculeatis, demum pallide brunneis 

 sublevibusque, 20-23^15-20; mycelio intercellulari; haustoriis el- 

 lipsoideis v. ovatis, superne denticulatis lobatisve, iuferne pedicello 

 filiformi mycelio adnexis. 



Hab. in foliis vivis Oncidii Marshalliani, crispi, va- 

 ricosi in calidariis prope Parisios Gallise. — Ab Hemileja ame- 

 ricana differt sporis minoribus, teleutosporis levibus et haustoriis. 



5. Hemileja americana Massee, Grard. Chron. XXXVIII (1905) p. 153, 2328 

 fig. 53; Kew BuU. (1906) p. 40, t. I, fig. 7-11. — Hypophylla; 

 soris late effusis, saturate aurantiis, subinde per plurima cm. ex- 

 tensis; uredosporis perfecte sphsericis, 24-32 [x. diam., breviter sti- 

 pitatis; episporio verrucis minutis sparsis rotundatis consperso, 

 poris binis; promycelio cylindraceo brevi-parceque ramoso; teleu- 

 tosporis sororum centrum occupantibus, breviber stipitatis, hyalinis, 

 syepe umbone minuto obtuso apice prteditis, late obovatis v. tur- 

 binatis, 30 =* 25, episporio dense minuteque verruculoso. 



Hab. in foliis vivis Cattleyse Dowian;c, Costa Rica. 



HYALOPSORA Magn. — Syll. XVII, p. 268. 



1. Hyalopsora Asplenii-Wichuriae Diet., Ann. Mycol. VI (1908) p. 228. 2329 

 — Maculis sordide brunneis indeterminatis; soris uredosporiferis 

 amphigenis sparsis, vix 1 mm. latis, epidermide flava diu tectis; 

 uredosporis obovatis vel piriformibus, rarius clavatis, plerumque 

 angulatis, 22-38 » 13-23, episporio incolorato subtiliter verruculoso 

 incequaliter crasso vestitis; teleutosporis adhuc ignotis. 



