558 
185. 
186. 
186. 
189. 
193. 
196. 
196. 
197. 
198. 
NORTH AMERICAN FLORA [| VoLUME 22 
1. Escallonia poasana Donn. Smith, Bot. Gaz. 23: 243. 1897. 
Shrub or small tree (?) with gray branches; leaves numerous, approximate or crowded 
on short branchlets, the blades cuneate-obovate to broadly spatulate, 1—-2.5 cm. long, cre- 
nate, especially near the dilated apex, sparingly pubescent on both sides, especially when 
young, pale and veiny beneath, deep-green above, the short petioles dilated and pubescent 
at the base; flowers solitary on glandular-pubescent pedicels; hypanthium glandular at 
the base, finely pubescent above; sepals triangular, sometimes deltoid, acute or somewhat 
acuminate, glandular-toothed, persistent; petals about 1 cm. long, the blade suborbicular, 
slightly wider than the claw; capsule depressed, broadly rounded, 6—8 mm. in diameter. 
TYPE LOCALITY: Volcan Poas, Costa Rica. 
DISTRIBUTION: Costa Rica to Panama, 
HAMAMELIDACEAE 
By NATHANIEL LORD BRITTON 
Fothergilla Gardeni. 
Add to the illustrations: Britt. & Brown, Ill. Fl. ed. 2. f. 2194. 
Fothergilla major. 
Add to the illustrations: Lounsberry, S. Wild FI. pl. 69. 
Hamamelis virginiana. 
Add the synonyms: Hamamelis vernalis Sarg. Trees & Shrubs 2: 137. 1911. Hama- 
melis virginiana angustifolia Nieuwl. Am. Midl. Nat. 3: 63. 1913. Hamamelis vir- 
giniana orbiculata Nieuw]. Am. Midl. Nat.3: 64. 1913. Trilopus virginiana angustifolia 
Nieuwl. Am. Midl. Nat. 4: 59. 1915. Trilopus virginiana orbiculata Nieuwl. Am. 
Midl. Nat. 4: 59. 1915. 
Add to the illustrations: Britt. & Brown, Ill. Fl. ed. 2. f. 2195; G. T. Stevens, IIl. 
Guide pl. 61, f. 10; Miller & Whiting, Wild Fl. 193; Newhall, Shrubs NE. Am. f. 53; Dana, 
Wild Fl. ed. 1900. pl. 84; Meehan’s Mo. 11: p/. 10; Sarg. Trees & Shrubs #/. 156. 
ALTINGIACEAE 
By PrERcy WILSON 
Liquidambar styraciflua. 
Add to the illustrations: Britt. & Brown, Ill. Fl. ed. 2. f. 2196; G. T. Stevens, II. 
Guide, pl. 61, f. 9; Lounsberry, S. Wild FI. pi. 70. 
GROSSULARIACEAE 
By FREDERICK VERNON COVILLE AND NATHANIEL LORD BRITTON 
RIBES. 
Add the synonym: Limnobotrya Rydb. Fl. Rocky Mts. 396. 1917. 
Ribes lacustre. 
Add the synonyms: Limnobotrya lacustris Rydb. Fl. Rocky Mts. 396. 1917. Lim- 
nobotrya echinata Rydb. Fl. Rocky Mts. 396. 1917. Limnobotrya parvula Rydb. Fi. 
Rocky Mts. 397. 1917. 
Add to the illustrations: Britt. & Brown, Ill. Fl. ed. 2 f. 2197; G. T. Stevens, Ill. Guide 
pl. 61, f. 7; Newhall, Shrubs NE. Am. f. 51; Clements, Rocky Mt. Fl. pl. 30, f. 4; 
Brown & Schiffer, Alp. Fl. Can. pl. 34, f. 2. 
Ribes montigenum. 
Add the synonym: Limnobotrya montigena Rydb. Fl. Rocky Mts. 397. 1917. 
Ribes hudsonianum. 
Add to the illustrations: Britt. & Brown, Ill. Fl. ed. 2. f. 2198; Armstrong, Field Book 
W. Wild FI. 213. 
Ribes vulgare. 
Add to the illustrations: Britt. & Brown, Ill. Fl. ed. 2. f. 2199; G. T. Stevens, IIl. 
Guide pl. 61, f. 5. 
