Spezielle Morphologie und SystemMtik auf einzelne Familien bezogen. 545 



1149. 0"B[l'ien], J. New or notewortliy plants: Lilium Chalcedo-Hansoni 

 (chalcedonicum 9 X Hansoni d"). (Gard. Chron., 3. ser., XXXIII [19031, P- HO.) 



1150. Pardy, C. A Revision of the Genus Calochortus. (Proc. Calif. 

 Acad. Sei., 3. ser., II [190'2], pp. 107—158.) 



1151. Purdy, C. A Revision of the Genus Calochortus. (Flora and Sylva, 

 I [1903], pp. 22—30.) 



1152. Scalia, (i- Sulla ruggine del Muscari monstruosum L. (Agric. 

 Calabro-Siculo, XXVIII, n. 6.) 



1153. Schünland, S. On some South African species oi Aloe, with special 

 reference to those represented in the Herbarium of the Albany Museum. 

 (Records Albany Museum, I [1903], pp. S3— 47, Plate III.) 



Siehe Fritsch im Bot. Centralbl., XCIII (1903), p. 124. 



1154. Schulze, Th. Lilium giganteum^SiW. (Gartenwelt, VIT [1903J, p 411.) 



1166. Sprenger, Charles, '^ew hjhvid Hemer ocallis. (Gard. Chron., 3. ser., 

 XXXIV [1903], p. 122.) 



1156. Thompson, R. S. Cordyline indivisa. (Journ. R. Hortic. Soc, 1903, 

 pp. 958—960.) 



1167. Tissot, R. Note sur la variete blanche du lis Martagon [Lilium 

 Martagon]. Le Rameau de sapin, XXX\ai [1903], pp. 26—26.) 



1158. Trelease, W. The Yucceae. (Rep. Missouri Bot. Gard., XIII [1902], 

 pp. 27—133. mit einem Titelbilde und 99 Tafeln.) 



Verf. entwirft folgenden Schlüssel der Gattungen: 



A. Flowers oblong or narrowly campanulate, scarcely 15 mm wide. rosj- 

 red or greenish, filaments shortly adnate to the petals below, slender, 

 erect, inflexed at apex; authers oblong; style filiform, minutely papillate 

 about the scarcely enlarged stigma. 



Hesperaloe- 



B. Flowers globose or broadly campanulate, spreading to a width of 60 

 to 100 mm, white or creamy, often tinged with green, bronze or violet; 

 filaments clavately enlarged; anthers shortly sagittate. 



I. Style filiform, abrupt; stigma capitate, long-papillate; filaments adnate 

 to the petals below, erect. 



Hesperoyucca. 

 IL Style stout or wanting, gradually if at all narrowed; stigma openly 

 perforate, not papillate. more or less deeply 6-notched ; filaments 

 mostly outcurved at apex. 



a) Perianth polyphyllous, or the Segments barely connate at base, 

 to which the filaments are slightly attached. 



1. Segments of perianth thick, mostly inflexed; style wanting; 

 neetar glands in walls of ovary small. 



Clistoyucca. 



2, Segments thin and petaloid, spreading at night; style evident; 

 neetar glands large but mostly in active. 



Yucca. 



b) Perianth gamophyllous and tubulär below, the stamens inserted in 

 its throat, otherwise as in Yucca. 



Samuela. 

 Die Gattungen Clistoyucca und Samuela sind neu. Ausserdem sind drei 

 neue Arten beschrieben. Sehr dankenswert sind die Lichtdrucke, welche meist 

 Habitusbilder darstellen. (Siehe am Kopfe der Familie!) 



Botanischer Jahresbericht XXXI (1903) 1. Abt. 35 



