STANDLEY TEEES AND SHRUBS OF MEXICO. 1111 



Panicles axillary. 



Ovary and style glabrous 1. P. oerstediana. 



Ovary or base of style, or both, pubescent. 

 Leaves 3.5 to 9 cm. long. 



Buds 2.5 mm. long; inflorescence simple or once branched 2. P. tenuis. 



Buds 4 mm. long ; inflorescence twice branched 3. P. rekoi. 



Leaves 11 to 18 cm. long 4. P. melanosticta. 



Panicles terminal. 



Ovary pubescent, at least at apex 5. P. seiTulata. 



Ovary glabrous. 



Flower buds 7 to 8 mm. long 6. P, chiapensis. 



Flower buds 5 mm. long or less. 



Leaves glabrous 7. P. corymbosa. 



Leaves thinly stellate-pubescent beneath 8. P. lanceolata. 



1. Parathesis oerstediana Mez in Engl. Pflanzenreich IV. 236: 178. 1902. 

 Type from Tontalcingo. 



Branchlets ferruginous-tomentulose ; leaves obovate, about 19 cm. long and 

 8.5 cm. wide, acute or acuminate, attenuate to base, entire, thin, glabrous above, 

 stellate-pubescent or glabrate beneath ; panicles many-flowered, equaling or 

 shorter than the leaves ; buds 4 mm. long, puberulent. 



2. Parathesis tenuis Standi., sp. nov. 



Type collected somewhere in southern Mexico, probably in Oaxaca or Vera* 

 eruz {Liehmann 14; U. S. Nat. Herb. no. 1012707). 



Branchlets slender, minutely brown-tomentulose ; petioles 3 to 9 mm. long; 

 leaves elliptic or lance-elliptic, 3.5 to 5.5 cm. long, 1.3 to 2 cm. wide, abruptly 

 obtuse-acuminate, cuneate-acuminate at base, entire, thin, glabrous; panicles 

 few-flowered, once branched, or the flowers merely racemo?>e, the inflorescence 

 slightly shorter than the leaves, on a long filiform peduncle, the pedicels fili- 

 form, 5 to 9 mm. long ; buds 2.5 mm. long, minutely tomentulose ; ovary puberu- 

 lent. 



3. Parathesis rekoi Standi., sp. nov. 



Type from Cafetal Soledad, Cerro Espino, Oaxaca, altitude 800 meters (Reko 

 3335; U. S. Nat. Herb. no. 842483). 



Branchlets minutely tomentulose; petioles slender, 10 to 14 mm. long; leaf 

 blades obovate-elliptic, 5.5 to 9 cm. long, 2.5 to 3.5 cm. wide, obtusely short- 

 acuminate, cuneate at base, thin, entire or undulate-crenate, sparsely ap- 

 pressed, stellate-pubescent or glabrate; panicles axillary, twice branched, lax, 

 many-flowered, 10 to 13 cm. long, the flowers long-pedicellate; buds 4 mm. 

 long, granular-puberulent ; sepals punctate ; anthers 1 mm. long, acuminate, 

 purple-punctate dorsally ; ovary glabrous, the style puberulent. 



4. Parathesis melanosticta (Schlecht.) Hemsl. Biol. Centr. Amer. Bot. 2: 291. 



ISSl. 



Ardisia melanosticta Schlecht. Linnaea 8: 526. 1833. 



Veracruz, Oaxaca, and Chiapas ; type collected between San Salvador and 

 Jalapa, Veracruz. Guatemala. 



Branchlets ferruginous-tomentose ; leaves oblanceolate or oblanceolate-ellip- 

 tic, 10 to 18 cm. long? acuminate, attenuate at base, entire or crenulate, tomentu- 

 lose or glabrate beneath ; panicles many-flowered, equaling or shorter than the 

 leaves ; buds 4 to 5 mm. long, puberulent. 



5. Parathesis serrulata (Swartz) Mez in Urban, Symb. Antill. 2: 403. 1901. 

 Ardisia serriilata Swartz, Prodr. Veg. Ind. Occ. 48. 1788. 



Ardisia crenulata Vent. Choix PI. Cels 5. jil. 5. 1803. 



