INDEX TO AMERICAN BOTANICAL LITERATURE sol 
Rusby, H.H. A strange fruit. Torreya 21: 47-50. Je1g2t. [Illust.] 
Jarilla Sesseana (Ramirez) Rusby, of Mexico. 
Schlechter, R. Basiphyliaea Schlitr., eine verkannte westindische 
Orchidacee. Repert. Spec. Nov. Regn. Veg. 17: 76-78. 1 Ap 1921. 
Basiphyllaea gen. nov., from Cuba 
Schlechter, R., & Hoehne, F. C. Contribuicdes ao conhecimento des 
Orquidaceas do Brasil, I. Anex. Mem. Instit. Butantan Bot. 1°: 
se “is I-Il. aoe 
ncludes new species in Habenaria (6), Stelis (2), Pleurothallis (1), Epidendrum 
(1), Swine (2), Maxiltar a (1). 
Seifriz, W. Observations on some physical properties of protoplasm 
by aid of microdissection. Ann. Bot. 35: 269-296. 1 fig. Ap 1921. 
Setchell, W. A., Goodspeed, T. H., & Clausen, R. E. A preliminary 
note on the results of crossing certain varieties of Nicotiana Taba- 
cum. Proc. Nat. Acad. Sci. 7: 50-56. 15 F 1921. 
Shamel, A. D. Origin of the striped pirate: sc Hered. 12: 42-45. 
f. 29-31. 6 Je 1921. 
Shear, C. L., & thin B. 0, The life history and identity of ‘‘ Patel- 
lina Fragariae,”’ ‘‘ Leptothyrium macrothecium,” and “ Peziza 
Oenotherae.’’ Mycologia 13: 135-170. pl. 8-10 + f. I-5. 25 Je 
1921. 
Pezizella Lythri (Desm.) comb. nov. 
Smith, E. F., & Godfrey, G. H. Bacterial wilt of castor bean (Ricinus 
communis L.). Jour. Agr. Research 21: 255-262. pl. 55-67 +f. 1. 
16 My 1921. 
Smith, E. F., & McKenney, R.E.B. The present status of the tobacco 
. blue-mold (Peronospora) disease in the Georgia-Florida district. 
U, S. Dept. Agr. Circ. 181: 1-4., 7 Je 19ar- 
Spegazzini, C. Algunas observaciones relativas a las hojas de Coca 
(Erythroxylon Coca Lam.). Anal. Soc. Cient. Argentina 90: 23-32. 
1920. 
Includes new species in Sphaerella (1), Ravenelula (1), Protomyces (1). 
Spegazzini, C. Sobre oe enfermedades y hongos que afectan las 
plantas de ‘‘agrios’”’ en el Paraguay. Anal. Soc. Cient. Argentina 
90: 155-188. 1920. al t.] 
Includes Amylirosa, Ephelidium, Pseudohaplosporella, Pseudodiplodia g 
and new species in Odontia (1), Eutypella (1), Eutypa (1), Cryptosporella (1), pO 
‘ 1), Didymella (1), Melanomma (2), Lophidiopsis (1), Amylirosa (1). 
Suessenguth, K. Beitriige zur Frage des systematischen Anschlusses 
' der Monokotylen. Beih. Bot. Centralbl. 38: 1-79. f. r-18. 15 
1921. 
