FERNALD. — MEXICAN SOLANUMS. 561 



cordate or rounded at base, entire or slightly undulate, the larger 1.7 to 

 2.4 dm. long, 1.1 to 1.4 dm. wide, at first stellate-pubescent above, soon 

 quite glabrous and lucid, cinereous-tomentose beneath ; primary nerves 

 5 to 7 pairs ; petioles thick, 2 to 4 cm. long : inflorescence extra-axillary, 

 bifid or trifid, becoming 6 or 8 cm. long, the branches scorpoid-racemose, 

 densely flowered, ochraceo-cinereous ; pedicels in fruit becoming strongly 

 deflexed : calyx in anthesis 2 mm. long, with short rounded lobes : 

 corolla densely stellate without, G or 7 mm. high, barely 1 cm. broad, 

 with long lanceolate lobes : anthers subequal, lanceolate, truncate, 3 or 4 

 mux, long: style slightly longer, sparingly stellate-pubescent : berry 

 glabrous or sparingly puberulent, 1 cm. or more in diameter. — Panama, 

 Chagres, Jan., 18J0 (A. Fendler, no. 24G) ; near Gatun, Dec, 1859 

 (Stilton Hayes). 



* * Short stellate pubescence of flowering branches mixed with long slender 



naked hairs. 



S. erythrotrichum. Strongly armed with deltoid mostly hooked 

 stout prickles : branches densely reddish-tomentose with appressed 

 stellate hairs and longer naked jointed trichomes : leaves oblong, acumi- 

 nate, rounded at the base, subentire, 1 to 1.7 dm. long, 3 to 8 cm. wide, 

 ferrugineous-green sparingly stellate and strongly rugose above, toment- 

 ulose beneath, at first rufescent, later cinereous, rarely armed on the 

 midrib beneath; primary nerves 5 to 7 jjairs ; petiole 1.5 to 2.5 cm. 

 long, rufescent: peduncle extra-axillary, 3.5 cm. long, few-flowered, 

 rufescent ; pedicels short (7 mm.), thickish : calyx in fruit deeply cut 

 into lanceolate lobes G or 7 mm. long: fruit puberulent, becoming glab- 

 rate, about 1 cm. in diameter. — Guatemala, Coban, Depart. Alta Vera- 

 paz, alt. 1,325 m., Feb., 1888 (H. von Tuerckheim in exsicc. J. D. Smith 

 no. 1381). 



* * * Branches clothed with long stellate-tipped hairs with broad bases. 



S. HisPiDuii, Pers. Armed with long stout hooked-prickles, and 

 densely pubescent with ochraceous or fuscous distinct stiff trichomes : 

 leaves ovate, subcordate or atteyiuate at base, 0.5 to 2 dm. long, subentire 

 or with 5 to 11 sinuate lobes; above ferrugineous with distinct stipitate 

 stellate hairs, or glabrate, and often with long sharp prickles on the 

 nerves ; beneath cinereous with similar hairs, the nerves often spiny. 

 — Syn. i. 228 ; Dunal, 1. c. 275. S. stellatum, Ruiz & Pav. Fl. Per. ii. 

 40, t. 176. S. chrysotrichum, Schlecht. Linnaea, xix. 304 ; Dunal, 1. c. 

 276. — From the variable material now at hand it seems impossible to 



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