Floristik, Geographie, Systematik etc. 143 



Wüldenou'iana Hack (42), fig. only. P. arisanensis (43), near P. nudä 

 Trin buth with pedicelled, much longer stalked spikelets. P. formo- 

 Sana (Hack.) Hay. (44), near P. nwnantha Nees, but distinguishable 

 from it specificiallv in the spikelets which are awned in boih glumes 

 II and III. 



Polliniopsis Soniai (45) nov. gen. and spec, near Pollima, but 

 differs from the genus in having binate spikelets which are both 

 pedicellate, and in the 2-aristate glumes I and long awned glumes 



II, III and IV. 



Eremochloa ophiuroides Hack. var. longifolia (46), differs from 

 ihe type in having much longer spikes and longer leaves. 



Aftdropogon kwashotensis (47), near A. micranthus Kunth, but 

 differs from it in the quite lusterless nervöse spikelets. 



Sporobolus indicus R. Br. (49) and S. virginicus Kunth (48), 

 ligures only. 



Agrostis suisanensis (50), a peculiar species, the spikelets are 

 far much larger than any of other species, nothing like this in the 

 lloras of India, China and Japan. A. transmorrisonensis (51), near 

 A. canina, but differs in having much shorter awns of the glumes 



III. A. sosariensis (52), near A. perennans Tuck, but differs in having 

 awned glumes III. A. rnorrisonensis (53), near A. ßaccida, but with 

 awnless glume III. 



Muehlenhergia arisanensis (54), near J/. japonica Steud., but 

 with for much smaller I and II glumes. 



Calamagrostis formosana (55), near C. arundinacea Roth, but 

 differs from it in the hairs on the callus of the glume III being 

 longer than or equal to the glume itself. C rnorrisonensis (56), near 

 the former but differs in the much smaller form with much looser 

 panicles and curled branche?, and in the leaves with auricled base, 

 much shorter ligules änd the hairy Upper surface. 



Brachypodium formosanum {ö7), near B. sylvaticum R. et S.. 

 but distinguishable from it in having much narrower leaves and 

 not ciliolate rhachilla of the spikelets. 



Polypodiaceae. Polystichum Morii (58), near P. simplicipinninn . 

 but differs from it in having much smaller pinnae w^hich are much 

 shorter and more rounded. It is the smallest one of all the species 

 of the genus. 



Selaginella. A key to the determination of the species. 5. keliin- 

 gensis (59), near 5. concimia Spr. but differs from it in having muck 

 acuter leaves and bracts. S. involvens Spring. (60), 5. canaliculata 

 Baker (61), 5. atroviridis Spring. (62), and 5. caulescens Spring. (63i. 

 figures onl3^ 5. subcaulescens (64), near S. caulescens, buth with 

 much thinner leaves and wingless macrospores. 5. pseiidoinvolvens 

 (65), closely resembles S. involvens, but widely different in its solitary 

 stems with much more cuspidate leaves. S. Somai (66), near S.proni- 

 flora, buth with contiguous leaves and less ciliolate bracts. 5. rnor- 

 risonensis i67), 5. leptophylla Baker (68), and 5. steiwstacfiya (69). 

 figures only. ^ Jongmans. 



Norton, J. B., The eastern and the western migrations 

 of Smilax into North America. (Journ. Washington Acad. Sc. 

 VI. p. 281-283. 1 Map. 1916.) 



It is generally recognized that Smilax and its allics must have 

 spread over the earth from a point somewhere in southeastern 

 Asia, the region east of the Himalaya. A consideration of the 



