489] MELIOLA IN PORTO RICO — STEVENS 21 



Tips of setae slightly curved or not at all 

 Setae very thin, 4/x M. chamaeeristieola 



Setae thicker No. 27 



Branches quit^ uniformly at right 

 angles 

 Head cell not angular M. rectangularis No. 28 



Head cell angular M. chieoccae No. 29. 



Branches not at right angles 

 Main mycelial threads running 



parallel M. pteridicola No. 30 



Main mycelial threads not parallel 



Setae thick, lOfi, heavy walled M. moUeriana No. 31 

 Not as above 

 Setae long, 125/x 



Spores 37 x 14/a M. cupaniae No. 32 



Spores 50xl4/A M. ocoteae No. 33 



Setae not so long 



Colony very dense, threads 



agglutinated M. compacta No. 34 



Colony dense, threads not 



agglutinated M. mieoniae No. 35 



Colony not dense 



Head cell nearly globular M. triumfettae No. 36 

 Head cell not globular M. maricaensis No. 37 



17. Meliola compositarum Earle 



Bull. N. Y. Bot. Gard. 3 : 306, 1905. 

 On Eupatorium odoratum L, Fig. 15 



Dos Bocas, below Utuado, July 8, 15, 7977, 8055, Dec. 16, '13, 6056y 

 6001, Dee. 30, '13, 6574. El Gigante, July 10, '15, 8537. Arecibo-Lares 

 Road, June 6, 21, '15, 7309. El Miradero, Aug. 4, '15, 9168. Florida 

 Adentro, July 1, '15, 7689. Las Marias, July 10, '15, 8155. Rio Tan- 

 ama, July 6, '15, 7825. Maricao, July 19, '15, 8798. Aibonito, July 16, 

 '15, 8466. Rosario, Nov. 27, '13, 3771. Utuado, Nov. 8, '13, 4683. May- 

 aguez, Oct. 31, '13, 3898. Yauco, Oct. 3, '13, 3241. Catano, Nov. 6, '13, 

 4185. Jajome Alto, Dec. 3, '13, 5756. 



Also collected by Heller, No. 141, Rio Piedras, and No. 6185 on the 

 same host, Adjuntas; and on Willoughbaea. These all agree with 

 Earle 's cotype No. 6185. In some instances, especially in No. 5756, 

 there is some variation in habit and the appendages are considerably 

 larger than mentioned in the description. 



