ttymenomycefse, Hydnaceee, Hydnum. 371 



cm. long. ; superficie radiatim tomentosa, eentro in;equali, prope 

 marginem sulcato-zonata, pallide fulva, margine glabro, insequali, 

 recto, tenui, hete fulvo ; aculeis brevibus, rectis, compressis, furca- 

 tis V. fimbriatis ex umbrino fulvis, 1 cm. longis, marginem ver- 

 sus brevioribus, 0,17-0,20 mm. cr., in quoque mm. 3-4. 



Hab. ad truncos, Ohlo Amer. bor. (Morgan). — Affine Hydno 

 glabrescenti. 



28. Hydnum complicatum (Banker) Sacc. et Trott., Hydnellum com- 1427 

 plicafum Banker, Mem. Torr. Bot. Olub, XII (1906) p. 161. — 

 Terrestre, mesopus, complicatum ; pileo expanso, convexo, centro 

 depresso, lobato, tenui, rigido, 4-7 cm. lat., superficie subinsequali, 

 puberula, e carneo umbrino-purpurea, margine tenui, sterili ; sub- 

 stantia e compacto subspongiosa, pallide badia ; stipite pileique 

 parte infer. lignescente subzonatis, rubescentibus ; stipite curto 

 deformi basi subbulbosa, 2-3 cm. long,, 1 cm. long., aculeis bre- 

 vibus, teretibus, decurrentibus, carneis, vix 3 mm. long. ; sporis 

 subglobosis V. ovoideis, minute tuberculatis, fuscis, 4,5 ^ 3,5. 



Hab. ad terram, New York, Amer. boreal. (Yan Hook) — 

 Hydno floriformi affine. 



29. Hydnum Earlianum (Bank.) Sacc. et Trott , Hydnellum Ea7'lianum 1428 

 Banker, Mem. Torr. Bot. Olub. XII (1906), p. 161. — Terrestre 

 pleuropus v. submesopus, minutum, pileo expanso, convexo-de- 

 presso e rotundo reniformi dimidiatove, 3-5 cm. lat., superficie 

 infequali, subcoUicuIosa, e puberulo glabrescente, lateritio-brunnea, 

 margine nigricante, subzonata, margine tenui incurvato, substerili, 

 repandulo; stipite tenui inclinato, basi spongioso-bulboso, lateritio, 

 puberulo, solido, 1-2 cm. longo, 3-4 mm. cr. ; substantia fibroso- 

 pannosa, supra lateritia deorsum obscuriore; aculeis teretibus ru- 

 bro-umbrinis, nigricantibus, decurrentibus, 2 mm. long., 0,15-0,20 

 mm. cr., circ. 3 in quoque mm. ; sporis subglobosis, tuberculatis, 

 3,5-4 [j.. diam., coloratis. 



Hah. ad terram in silvis Oarolina inf. et Georgia (Ravenel, 

 TJnderwood). — //. ferrugineo subaffine. 



30. Hydnum Nuttallii (Banker) Sacc. et Trott., Hydnellum NuttalUi 1429 

 Banker, Mem. Torr. Bot. Olub, XII (1906) p. 155. — Terrestre, 

 mesopus; pileo obconico e depresso infundibuliformi, subrotundo, 

 marginem versus attenuato, 4-6 cm. lat. vix 1 cm. cr., superficie 

 subsequali, radiatim subrugosa, griseo-umbrina, margine acuto, 

 grosse plicato, inflexo ; substantia superne spongioso-tomentosa, 

 centro firmiore, umbrina; stipite centrali, extus spongioso-tomen- 



