LUNDELL: THE GENUS PARATHESIS 
54. P. venezuelana. 
55. P. vulgata. 
56. P. macrantha. 
57. P. glabra. 
Series 16-23 
Anthers ovate-lanceolate, orange-punctate dorsally .... . Series 16, pp. 
58. P. aurantiaca. 
Anthers mostly small and slender, concolorous, 
orange-punctate or with scattered minute reddish 
or black giands dorsally... ......4..5.4..55. 9 Series 17-23, pp. 
Series 17-23 
Branchlets with scaly, peeling epidermis............... Series 17, pp. 
59. P. tartarea. 
Branchiets not S¢0ly / oes isi yi ce Series 18-23, pp. 
Series 18-23 
Ovary densely pubescent, usually tomentose (also 
check species 64674) 64 60 ik ee ee Series 18-19, pp. 
Ovary either glabrous, tomentulose, or puberulent 
apically and at base of style, the hairs never dense 
or matted (also check species 61-63)................ Series 20-23, pp. 
Series 18-19 
Inflorescences filiform, branched to base or nearly so; 
pistil with dense matted tomentum................. Series 18, pp. 
60. P. tomentosa. 
Inflorescences long-pedunculate, the branches angled .. . Series 19, pp. 
61. P. Skutchii. 
62. P. latifolia. 
63. P. leptopa. 
Series 20-23 
Inflorescences simple or 1l-branched, small, slender, 
OG Oi: fn 6s ies Ss ea ee Series 20, pp. 
64. P. tenuis. 
65. P. subulata. 
Inflorescences usually branched two or more times, 
mostly over 10 em. long, usually much larger ..... Series 21-23, pp. 
Series 21-23 
Filaments papillose-puberulent (Mexico)............... Series 21, pp. 
66. P. Rekot. 
67. P. macronema. 
Filaments pubescent with gland-tipped hairs (South 
Sar. 5 ys wea in ed oa re Series 22, pp. 
68. P. Candolleana. 
69. P. adenanthera. 
11 
153-155. 
155-192. 
155-157. 
157-192. 
157-166. 
166-192. 
157-159. 
157-166. 
166-171. 
169-192. 
169-175. 
175-180. 
